Alkali flies in the Mono Basin (Mono Lake)
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...Alkali Flies in the Mono Basin (Mono Lake) Mono Lake is one of the most visible lakes in the of California, according to Carle, and Banta (23).Located in Mono County, Mono Lake acts as an important tourist attraction site in the state. Unlike other lakes in California, Mono Lake has numerous unique species of flies, birds, and organisms. Alkali fly also known as brine fly is the most visible type of insect found in the lake. Geologists argue that the rare fly thrive well in the Mono Lake since the lake provides a suitable breeding ground. Research indicates that the lake act as a breeding ground to thousands of alkali flies. Description of the species Alkali flies also known as brine flies... ...
Compressed Hydrogen Production Via Reaction Between Liquid Ammonia And Alkali Metal Hydride
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...Alkali Metal Hydride. Hydrogen as a molecule is not available on Earth as a free element but occurs in combine forms. A bigger fraction of hydrogen on Earth is bonded to oxygen in water. There are many methods that can lead to formation or production of hydrogen. The interest in this scope is the compressed form of hydrogen, otherwise known as liquid hydrogen. Ammonia .NH3 is recognized as one of the attractive hydrogen H2 carriers because it has a high hydrogen content of 18% mass and it is easily liquefied under about 1 MPa of pressure at a room temperature. NH3 can react with alkali metal hydrides and generate H2 even at room... Compressed Hydrogen Production Via Reaction Between Liquid Ammonia And...
Congress of Periodica
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...Alkali Earth Metal Party, and the Foreign Minister was Lithium, leader of the Alkali Metal Party. Their coalition consisted of the 40 members of the Transition Metal Party, Lithium and the five other members of his party – Sodium, Potassium, Rubidium, Cesium and Francium – along with Beryllium and the five other members of the Alkali Earth Metal Party – Magnesium, Calcium, Strontium, Barium and Radium. The Alkali... Congress of Periodica The Congress Of Periodica was confronting a crisis. For the last four years the Republic of Periodica had been governed by a coalition of metals. Prime Minister Scandium was a member of the Transition Metal Party. The Minister of Finance was Beryllium, leader of the...
Natural and houman life in Mono Lake
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...alkali fly. While many species find the lake unfavorable for life due to its high pH... and alkalinity, the alkali flies find a lot of benefit in these conditions (Herbst1& Bradley1 670). The water of the lake provides a natural breeding ground to the flies much as it provides good ground for feeding as it is filled with different kinds of algae; blue and green (Herbst1& Bradley1 670). Many species of birds live around Mono Lake and many others travel from as far as South America and take time to rest and rejuvenate on as they migrate from different places. The birds mostly find the Mono Lake a suitable ground for breeding as there is plentiful supply of food in the form...
Origin and evolution of peralkaline rhyolite
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...alkali feldspar and quartz. Rhyolites in most cases are porphyritic, glassy... Introduction All around the world alkaline rocks normally occur in several diverse petrological associations, tectonic settings, and have such varied chemical compositions. Therefore, all alkaline rocks cannot be produced by single parental magma. In addition, alkaline rocks occur in continental rifts and oceanic islands (normally formed at magma consolidation’s late stages after tholeiitic eruptions). This easy explains the origin and evolution of Peralkaline rhyolites. Origin of Peralkaline Rhyolites According to Shanti (p.15) rhyolites are acid igneous rocks that appear to be fine-grained and are normally dominated by alka...
Lab practical - report & questions sheet
1 pages (250 words) , Lab Report
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...alkali metal? An analogous complex will not be found if Aluminium was replaced... PJ1100 LAB RE-ASSESSMENT Acid-Base Practical A sodium hydroxide solution is standardised by titrating 0.8592 g of a primary standard potassium hydrogen phthalate (Mr = 204.2 g mol-1) to a phenolphthalein endpoint, requiring 32.70 mL. Determine the concentration of the sodium hydroxide solution. Solution: A balanced chemical reaction between potassium hydrogen phthalate and sodium hydroxide is depicted as follows: KHC8H4O4 + NaOH NaKC8H4O4 + H2O Mole ratio of potassium hydrogen phthalate: sodium hydroxide = 1:1 Moles of potassium hydrogen phthalate that reacted with NaOH = mass of KHC8H4O4/ Mr = 0.85...
Geochronolog
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...alkali basalt or dykes are also scattered in this part and dates 66±0.4Ma. The mid altitude regions ranging from 250m to 350m is covered by all categories... Introduction This region found in the Western part of Scotland has an altitude ranging between 50m to 450m above the sea level. The highest point of this place lies on the eastern part and it slopes towards the western region. Diorite and granite rocks are found on the highest parts (South Western parts). These two rocks are igneous rocks formed as a result of volcanic activities. They have different composition of quartz, feldspar and hornblende. They are found on the surface and dates about 400,000,000 years ago. Apart from these two rocks,...
Geology / petrology: Classification of Granitoids
9 pages (2250 words) , Research Paper
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...alkali.-feldspar granite 2-Phyric alkali feldspar granite 3-Phyric coarse-grained adamellite 4-Phyric medium grained adamellite 5- Phyric fine-grained adamellite Tectonic classification of granitoid On the basis of the platonic setting the granitoids are classified as follows; orogenic granitoids and anorogenic granitoids. Orogenic granitoids can be further classified as follows- a) Island Arc Granitoids - The island arc granitoids are formed during the subduction... Granitoids and its ifications Introduction Granitoid is a rock which has texture and resemblance to granite rock and many composition like quartz,...
Shutdown procedures on Mixers, Crutcher and Pumps.
2 pages (500 words) , Essay
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...alkali to the mixer. The supply of succinic anhydride is allowed to continue until all water and alkali has been flushed through the mixer then this supply is also shut-down. This procedure ensures that no hydrolysis continues in the mixer whilst not in use. Preferably not all of the succinic acid is flushed through the buffer tank. This means that when the supplies of succinic anhydride, water and alkali are switched... ?Order 515277 Topic: Shutdown procedures on Mixers, Crutcher and Pumps The mixer combines all liquid powder or solid constituents of a soap formula with speed and effectiveness. When a continuous process is in use, ‘the process is shut-down by firstly closing the supply of water and...
Shut down procedures on Mixers, Crutcher and pumps
2 pages (500 words) , Essay
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...alkali to the mixer. The supply of succinic anhydride is allowed to continue until all water and alkali has been flushed through the mixer then this supply is also shut-down. This procedure ensures that no hydrolysis continues in the mixer whilst not in use. Preferably not all of the succinic acid is flushed through the buffer tank. This means that when the supplies of succinic anhydride, water and alkali are switched... Order 515277 Topic: Shutdown procedures on Mixers, Crutcher and Pumps The mixer combines all liquid powder or solid constituents of a soap formula with speed and effectiveness. When a continuous process is in use, ‘the process is shut-down by firstly closing the supply of water and...
The Chemistry of Biodiesel Production
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...alkali catalyzed processes and enzyme catalyzed processes (Zhang et al. 2). The alkali catalyzed process involves use of a basic catalyst such as sodium hydroxide or potassium hydroxide whereas... ?Regardless of whose perspective one chooses to believe on the future supply of petroleum fuels, it is unquestionable that the supply of these fuels is, ultimately, limited. Presently, we know of no other energy source that can substitute for the petroleum fuels. No other fuels are: so abundant, have such a high energy and power density, store energy so efficiently and conveniently, release their energy so readily, have existing infrastructure, and are so easily transported (Eberhardt 2). With no...
What's Dissolved in the Water
4 pages (1000 words) , Lab Report
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...alkali salts all of them dissolve in water to give their respective salts, which is contrary to some of the salts formed by group II entities. According to Arrhenius proved premise of 1884, salts... Whats Dissolved in the Water? Qn 1. NaCl(aq) + AgNO3(aq) AgCl(s) + NaNO3(aq) Na+ (aq) + Cl-(aq) + Ag+ +NO3-(aq) AgCl(s) + Na+ + NO3-(aq) Cl-(aq) + Ag+(aq) AgCl(s) 2. NaI(aq) + AgNO3(aq) AgI(s) + NaNO3(aq) Na+ (aq) + I-(aq) + Ag+(aq) + NO3-(aq) AgI(s) + Na+ (aq) +NO3-(aq) I-(aq) + Ag+ (aq) AgI(s) 3. AgNO3(aq) + HCL(aq) HNO3(aq) + AgCL(s) Ag+(aq) + NO3-(aq) + H+(aq) + CL-(aq) H+(aq) + NO3-(aq) + AgCL(s) Ag+(aq) + CL-(aq) ...
Astronmy
1 pages (250 words) , Download 1 , Assignment
...Alkali, and Dub he (Pasachoff and Filippenko, p. 82). Works Cited. Bradt, Hale. Astronomy Methods: A Physical Approach to Astronomical Observations. Cambridge [etc.: Cambridge University press, 2005. Print. Pasachoff, Jay M, and Alexei V. Filippenko. The Cosmos: Astronomy in the New Millennium. , 2014. Print.... Topic: ASTRONOMY Zenith Polaris Horizon West ...
Materials
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...alkali, and chloride elements are high and may affect the quality of cement performance. FA, on the other hand, contains mostly vitrified alumina-silica melt and minute amounts of crystalline elements such mullet, quartz, and mica (Shah & Wang 16). Previous research indicates that appropriate blending of CKD and FA may yield a cementitious matter, thus changing waste into useful substances. This paper looks at three methodologies of activating the hydration of CKD-FA binders. These are mechanical, thermal, and chemical. Chemical activation... Chemistry 14 November Materials in Green Cement The largely used construction material globally is Portland cement with an annual production of about 12 billion...
Density of Fluids
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...alkali metal salt or an alkaline earth metal salt of metatungstate. The solution should have a concentration of 1 to 80. The oxidant used is preferably selected from any of the following dichromate, chromate, nitrate, permanganate, peracid and perester group (Allies & Pagenkopf, 1998). These should have a preferred concentration of 0.05 to 0.5 weight %. The preferred alkaline salts are salts of lithium or sodium namely sodium dihydrogendodecawolframate or lithium dihydrogendodecawolframate .However, sodium dihydrogendodecawolframate is preferentially used. According to the invention bringing the solid mixture into contact... Separation of aluminum glass and plastic using fluids There are various methods ...
Pathophysiology-Acidosis and Alkalosis Flowcharts and Tables
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...alkali or acid in the blood. The body pH needs to be maintained at between 7.35 and 7.45, in order to ensure that the body’s metabolic functions are running properly and that the tissues are getting the correct amount of oxygen. Acidosis can be described as excessive acid levels in the blood, which result in the drop of pH below 7.35 (Bullock, 2006). Alkalosis, on the other hand, is an excessive level of base present in the blood, which results in pH rising past 7.45. The vital organs used in regulating pH... Acidosis and Alkalosis Flowcharts and Tables ACIDOSIS AND ALKALOSIS FLOWCHARTS AND TABLES Alkalosis and acidosis are terms that are used for the description of abnormal conditions caused by excess...
My element / Chemical disaster
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...alkali group metals in the periodic table. State Of Matter Cd exists... as a metal. Therefore, it is a solid. Physical Properties It is a soft silvery metal. It is less dense than water. The average atomic mass of this element is 39.008. When boiled it melts point of 63oC. Chemical properties It boiling point is 761oC. When exposed into the air it quickly oxidizes to a white solid. it reacts violently with water to give off hydrogen gas. It also reacts with acids and all non-acid metals like fluorine, nitrogen, chlorine and sulphur (Johnson, 2007, p73). Application/Uses This element in the human body helps in improving the normal functioning of the body just like alkali...
Data analysis task
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...alkali. -the alkali is needed to denature the DNA into single open... Data Analysis Task- Molecular (Southern Blotting Using the restriction map list the size of fragment(s) generated from digestion of the entire wildtype allele shown in Figure 1 with a) EcoRI- 1.5, 1.2 Kbp b) HindIII- 1.75, 0.3, 0.95 Kbp c) EcoRI + HindIII- 1.0, 0.65, 0.55, 0.3 Kbp 2) Explain why there are only two bands on the Southern blot of EcoRI digested genomic DNA from the RR individual? -The two bands represent individual restriction fragments. It can therefore be implied that the enzyme cut the sample into two fragments only. This also implies that the R gene has only one restriction point for the enzyme 3) Using the information...
Qualitative analysis of Anions and Cations
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...alkali and alkali-earth metals within the soluble solutions from the third experiment. Discussion The separation of ions from the substances that contain them involves the addition of reagents to the substances in seeking enhance the reaction that will result in the formation of a precipitate. The addition of the precipitating agent results in the reaction of the ion with the agent to form a precipitate. The reagent selectively reacts with the particular ion that is being assessed but does not react with the other substances present within the suspension (Skoog et al. 2013). Many ions behave in a similar manner when exposed... QUALITATIVE ANALYSIS OF ANIONS AND CATIONS QUALITATIVE ANALYSIS OF ANIONS...
Individual Project and Presentation (3,000 words 50%) A student negotiated project and structure interview on a specialism of t
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...Alkali & Amichai-Hamburger (2004) explain that digital literacy is more than simply being able to use particular software or an ability to operate a digital device. Rather, it encompasses a series of complex skills (namely, cognitive, sociological, motoric, and emotional) which users need to apply if they want to effectively explore digital... ?This is a briefing paper which represents a summary of the practitioner’s specialism – Digital Literacy. It explores the questions: “Is digital literacy more than just using a computer?” Two other questions are: “Is digital literacy covered in enough depth in the setting?” and “Should digital literacy lessons be taught earlier?” It also discusses challenges...
Aspirin
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...alkali... Aspirin is one of the most widely used compounds in the world. It is used for a number of reasons in the medical community, including as ananalgesic and for its blood thinning properties. Due to its popularity, there are several different brands of aspirin on the market, all of which will have different amounts of salicylic acid as their active ingredient. Using the determination of this purity as a base, the experiment will compare the effectiveness of different purification methods, as well as exploring several important chemical ideas, such as concentration and theoretical yields. The whole experiment has been risk assessed to ensure complete safety in the laboratory during the process of...
The Effect of Acidic Foods on the Human body
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...Alkali foods act to neutralize the effect of the acidic foods because they produce an excess of cations (positively charged ions) after getting metabolized. The alkali producing foods include Fruits, vegetables, milk and groundnuts as the eating... ?The Effect of Acidic Foods on Human Body The foods we eat affect the acid-base balance of the body. The food products having considerable amount of phosphorus, sulfur and chlorine metabolize to form negatively charged ions (also known as anions). The large intake of such food products lead to the accumulation of anions resulting in disturbance in the acid-base balance of the body. The common examples of acidic foods are cheese, meat, eggs and cereals. Alkali...
MEASURING pH
2 pages (500 words) , Lab Report
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...alkalis are mixed together. Materials In order to carry out this experiment, the required materials are tap water, soda, milk, lemon juice, distilled water and Rolaid antacid tablet. In addition, the experiment requires the use of a pH meter, graduated cylinders and beakers. Method In order to determine the pH of common items, a pH meter was used to perform measurements. Most measured substances were already in the liquid state. However, lemon juice was diluted prior... is causing curdling and a net decrease in the amount of hydrogen ions in solution. Q 4. The soda-antacid relationship shows an increase in pH while the lemon juice and milk relationship shows a decrease in pH. Q 5. The Rolaid...
Environmental health and safety/ interaction of hazardous materials
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...alkali metals. (c) 2 – hexanone The 2 – hexanone is found to be a clear colorless flammable liquid that boils at 127°C and melts at -57°C. Vapors of 2 – hexanone are heavier than air but water is denser than the liquid form of the substance. Additional... In organic chemistry, a functional group is an atom or group of atoms that determines the compound’s characteristics. For eachof the following compounds: 1) give an acceptable name; 2) identify the functional group; and 3) discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know. (a) Acceptable Name: butyl ethyl ether or 1 - ethoxy butane Functional Group: Ether (b) Acceptable...
Zirconium Oxide Manufacturing
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...alkali decomposition, lime fusion and precipitation of the acidic reagents. (Hampel, 1954). Zirconium oxide is characteristic of having a very high resistance to heat and this makes it an ideal material to be used... the cost of production incurred through energy consumption. Zirconium is usually obtained from sand as a raw material for the production of zirconium oxide. The zirconium sand is usually calcined with either lime or a mixture of lime and magnesia. The resulting product is a alkaline earth zircornate and sodium silicate and zirconium oxide can be recovered from sodium zicornate free from alkalis to obtain it in its pure form, the impurities must be removed...
Hand Soap Manufacaturing
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...alkali, resulting in formation of glycerin and soap. The thermal heat promotes reaction of raw fats with alkali forming grains of soap. Further boiling of the mixture with alkali makes it possible to create more soap grains. The resultant soap during this phase comprises of approximately 65% soap and 35% water, among other trace materials like salt and glycerin... Hand Soap Manufacturing Mass and Energy Utilization in a Hand Soap Manufacturing Plant Hand soap is one of the basic amenities required in modern households, for sanitary purposes. The manufacture of soap goes through several stages, which can be used to best explicate energy consumption in this manufacturing process. The production phases...
Anions and Cations in Biological Systems
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...alkali metals are multi electron system unlike hydrogen, which is one electron system. Therefore, in case of hydrogen only electron – nucleus interaction is there and the atomic spectrum of hydrogen is due to electronic transition of just one electron across different excitation states. In case of alkali metals, there being many electrons, there exists interaction among electrons as well besides... Part A Q1. Energy levels of the electron in one electron system like hydrogen, deuterium etc. is dependent on the reduced mass of the system. Reducedmass of two particle system is given by the following equation Reduced mass Where M is mass of the nucleus and me is mass of the electron. Because mass of deuter...
The effectiveness of dowel bars in concrete pavements
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...Alkali-Aggregate reaction stress Though concrete aggregate is chemically inert, it can react with alkali hydroxides. This takes place either as alkali-silica reaction or alikali-carboante reaction. The alkali-silica reaction is common and leads to the formation of a gel which swells up as it absorbs water. The expansion of this gel at times is enough to cause cracking through expansive pressure (Pierce 2009 p. 19... ? The Effectiveness of Dowel Bars in Concrete Pavements Introduction This research examines how concrete pavements are strengthened to ensure they have a long life span. This topic is covered comprehensively and in a very systematic manner. It starts by examining the stresses which concrete...
How to Replace a Car Battery
11 pages (2750 words) , Assignment
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...alkali as electrolyte. Lead acid batteries are very common. The alkali type store power for a long time. Regular care for the vehicle battery is important. Maintenance practices must be done on the battery. If not, the battery loses its charging capability. With the recent advancement, Maintenance free batteries have been developed. These batteries don't require maintenance activities. HOW TO DETECT THAT THE CAR BATTERY HAS... College: Manual How to Replace a Car Battery OVERVIEW This manual provides a detailed guideline to the processof changing a car battery. It is designed to enable any car owner to identify the parts of a car, identify the battery and change it. The manual is suitable for all...
TOPIC IS THE RISKS / ECONOMICS OF MERCURY CONTAMINATION
4 pages (1000 words) , Download 1 , Research Paper
...alkali plant which used mercury in its operations. Fish, plant, bovine, water, and soil samples were collected from Lake Balkyldak, the Irtysh River, and a small village. Mercury content was analyzed and compared with the other samples collected. The results of the test yielded the following findings: (1) fish samples from Lake... ?THE RISKS AND ECONOMICS OF MERCURY CONTAMINATION Lidia M. Lujan BIOL 2406 Environmental Biology  Spring, The Risks and Economics of Mercury Contamination Introduction The element mercury is a transition metal with atomic number 80 and symbol Hg. The chemical symbol Hg was derived from its former Latin name Hydrargyrum which interchangeably means “water silver” or “liquid...
High Performance Concrete Reinforced with Glass Fibres
24 pages (6000 words) , Essay
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...alkali-resistant (AR) glass fibres. Although developed originally in the 1940’s in Russia, the current form of GFRC only came into widespread use in the 1970’s. On the other hand, High-Performance Fibre-Reinforced Concrete (HPFRC) is composed of either short discrete or continuous long fibres to the cement based matrix. In the last 5 years, there has become an increased use of HPFRC category by the construction industry due its superior performance characteristics. In the commercial arena, GFRC has been widely used to make lightweight panel that are often used as facades. Because they are designed to support their own weight... ? High Performance Concrete Reinforced with Glass Fibres Lecturer: High...
Chemistry
4 pages (1000 words) , Essay
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...Alkali metal to form the corresponding alkane and Alkali metal halide. An example of this reaction is: 2CH3Br + 2Na  CH3 - CH3 + 2NaBr 2. The Grignard reagent method. A grignard reagent is (an organo-metallic reagent) is first formed and then this is reacted with water. CH3-Br + Mg  CH3MgBr (Grignard Reagent) This reaction takes place in the presence of anhydrous ethyl ether, CH3MgBr + H2O... Topic – Insert & Affiliaton) Question The n-butane molecule is represented by the following: Scientists have suggested a number of ways that organic molecules may be represented. Among them are the ‘Sawhorse’, ‘Newman’, ‘Fischer’, ‘Haworth’, and ‘Natta’ projections. In the Sawhorse projection ...
Chemistry assignment
7 pages (1750 words) , Download 1 , Essay
...Alkali metals) for they have ionization energies within the range of the ionization energies of the alkali group. (b) Which of the elements has the largest atomic number? Give a reason for your answer. Increasing the distance from the nucleus decreases the attraction between the electrons and the nucleus. As this attraction decreases, it becomes easier to remove the electron and, thus... FORMULAE/MOLES/MOLARITY FORMULAE & EQUATIONS Write formulae for the following compounds: a) magnesium chloride - d) sodium hydrogen carbonate -b) calcium carbonate - e) ammonium sulphate - c) potassium phosphate - f) barium nitrate - 2. Write equations for the following reactions, making ...
Oceanography Discussion Short Essay
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...alkali (base) substance. Why does the pH of the ocean not change much? An acid is a compound that produces hydrogen ions (H+) in an aqueous solution. Bases, on the other hand, produce hydroxide ions (OH-) in an aqueous solution. Since H+ ions are contributed to the solution by acids, they are also called hydrogen donors. Furthermore, since OH- group of bases accepts a hydrogen ion to form water (H++OH-  H2O), bases are also called hydrogen acceptors. Another significant difference is that acids lower the pH of a solution and bases increase the pH of a solution. A solution with a pH of 0 – 7 is acidic and has more H+ ions... 5 October Oceanography Explain the difference between an acid and an alkali...
Nucleic acid hybridisation and Nucleic acid probes
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...alkali. They are then subjected to a probe. These techniques can be used to distinguish between alleles that vary even by single nucleotides (“Nucleic acid hybridization assays”, 1999, Ch. 5). Nucleic acid hybridisation is used in many routine experiments in the molecular biology laboratory, making it an indispensable requirement in genetic engineering and molecular biology... The Utility of Nucleic Acid Hybridisation and Nucleic Acid Probes in Molecular Biology by Your Date The Utility of Nucleic Acid Hybridisation and Nucleic Acid Probes In Molecular Biology The unique property of nucleic acids to pair with each other through complemen...
1910.1052 - Methylene Chloride
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...alkali metals, and oxidizing agents. In case of fire, use water spray, fog or foam. Do not use a water jet. Fire may liberate toxic and corrosive vapors. First Aid Measures In case of eye contact, check for and remove any contact lenses, immediately flush with plenty of water for at least 15... 1910.1052 METHYLENE CHLORIDE Physical and Chemical Properties Methylene chloride, also known as dichloromethane (DCM) is an organic compound with thechemical formula CH2CL2. It is a colorless, volatile liquid with a characteristic sweet aroma. It has a boiling of 40 oC (104 oF) and melting point of -97 oC (-142.6 oF). It has a vapor pressure of 47 KPa (@ 20 oC), and a relative vapor density of 2.9 (air = 1). It is ...
Chemistry of Hazarous Chemicals questions and essay questions
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...alkali metals on heating. On humans, its irritating and choking smell caused cough, eye irritation and breathing difficulties among people who were around the scene. The spillage that drained into the nearby pond also killed fish. In response to this accident, the residents within 1 mile were ordered to leave the area, and a temporary polyethylene patch was used to prevent further leakage. Sodium hydroxide was also used to mop up the chlorine. In order to prevent more casualties, a curfew was imposed... Chemistry of Hazardous Chemicals Affiliation Chemistry of Hazardous Chemicals Answers to Questions 10 The lethal concentration of a substance in humans obtained from animal studies can be expressed as...
Human Health and the Environment
3 pages (750 words) , Download 0 , Essay
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...Alkali Industry. Retrieved from http://onlinelibrary.wiley.com/doi/10.1002/9780470999479. 3. Ans: Studies have shown that dilapidated buildings can cause illness to people living or working in such places. Such neighborhoods can cause diseases mentioned as below: 1. Fire hazards: This has high chance due to lack of fire proofing 2. Illness including respiratory disorders, lung diseases and headaches 3. Problems like... Drinking water is a basic human need. It cannot be changed or done away with. Studies have shown that many places don’t have clean drinking water. This situation was taken as an opportunity to turn it into business idea by some and the concept of filtered and packaged drinking water came...
How do we identify trends in physical properties? Ionic Compounds
4 pages (1000 words) , Lab Report
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...alkali metal or metals will donate an electron... ?IDENTIFYING TRENDS IN PHYSICAL PROPERTIES PERTAINING TO IONIC COMPOUNDS Ionic bonds can typically be characterized as brittle, likely forming hard solids or crystalline particulates. Distant relative placement on the periodic table between raw elements increases the likelihood of ionic bonds forming based on the differences in electronegativity. On the atomic level, there is a more complete transference of electrons than might be seen with covalent unions. Electrons themselves can be permanently assigned to orbit whichever atom needed to achieve a balance of charges. Metallic elements combined with non-metallics, as a generalization. Ideally, the alkali...
Chemistry Experiments
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...alkali to the titration to overcome this problem. Iodine is volatile substance and hence exposure to environment leads... Assessed practical (Skill A and Skill E) Here two procedure were used to determine water contain of crystalline Cuso4. There are several advantages and disadvantages of these two methods but both are complemented to each other .Errors which were occurred during first experiments can be nullify by second experiments and combination of both experiments gives conclusive answers. Experiments 1: Determination of water contain in crystalline CuSo4 by simple heating: Hear sample was heated at elevated temperature leads to evaporation of water molecule from salt and any difference in weight of...
Eczema
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...alkali and detergent are not considered allergens because they can produce skin irritation on anyone; these compounds are better known... Eczema All local skin inflammation fall under the general condition of skin disorders called dermatitis. Eczema, also known as atopic dermatitis (Johansson, Bieber and Dahl), is a broad term referring to a range of skin inflammations having the common symptoms of red dry skin and intense itchiness (Atopiceczema.net). Other symptoms are thickening (‘lichenification’), cracking, blister formation and open sores due to prolonged scratching. Eczema is prevalent worldwide; although some countries have decreasing incidence, others have increasing levels based on the data...
A) Describe the partterns seen in physical properties and reactivity in groups 1,7 & 0. b) Explain typical reactions of elements in group 1 with water and oxygen and give an example using named elements. c) Explain a typical reaction of elements of group
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...alkali metals form... Question a Patterns seen in physical properties and reactivity in Groups 0 and 7 Group 0 Patterns seen in physical properties. They are colorless. They have extremely low melting and boiling points which increases slightly as you go down the group. Reactivity The elements of this group have a complete outermost shell an therefore has no tendency to gain, lose or lose any electrons. That means they are unreactive hence being called inert gases. Group 1 Patterns seen in physical properties. They are all silvery white. They are soft and light solids. They form diamond colorless ions as they do not have electron that are unpaired. Reactivity By virtue of having a very high tendency of lo...
Fuel cells
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...Alkali (AFC) 60% (80% with Cogeneration... Fuel Cell Introduction: Fuel cell is a device that converts chemical potential energy into electrical energy. In that sense it is like a galvanic cell or secondary batteries. However, the difference lies in the fact that a fuel cell is fed with chemicals which can be seen as fuel and the same is fed continuously and the byproducts are removed continuously. It should be noted that production of electricity by thermal plants is not a very efficient method and is a major source of pollution. In such plants, the chemical energy (heat of combustion) of fossil fuels (coal, gas or oil) is first converted into thermal energy which is used for converting water into high ...
Mixture and compound
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...alkali metals are the most reactive metals. Similarly, it is easier for non-metals to gain the remaining electrons to fill their outermost shells than to lose a maximum of seven electrons as is the case with halogens (Sebera, 1964). They therefore, react by gaining electrons to complete their outermost shells. The more easily a non-metal accepts an electron, the more reactive it is considered. For this reason, halogens, including... ? Compounds and Mixtures, Ionic and Covalent Bonds College: Compounds and Mixtures, Ionic and Covalent Bonds A mixture is a substance that is composed of two or more elements mixed physically but not chemically bonded (Patten, 1995). Simple physical means such as filtering,...
Properties of Self :Compacting Concrete using waste rubber tyres as partial replacement for coarse aggregate.
7 pages (1750 words) , Literature review
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...alkali-activated fly ash concrete. New York: ACI Materials. Appleby J, T. S., 2004. Analysis of the effect of varying dosages of superplasticizers and viscosity modifying agents on SCC mortars. London: University College London. Barragan B, D. L... ? Compacting Concrete Waste Rubber Tyres as Partial Replacement for Aggregate Literature Review Huge amounts of rubber are produced as waste annually. This is mostly common in countries that are already developed. Such countries include Australia where in 2006 twenty million tires were produced as waste. This is according to the Market Failure article of 2006 (Ana M, 2006 78). Some of these were reused while others were discarded. The effects of these waste...
Recycling of concrete
3 pages (750 words) , Download 0 , Essay
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...alkali-silica reactivity, the intensity of the problem may control its reuse or place limitation on its use6. The erection of reinforced concrete pavements over the recycled concrete material may at times require special attention in regard... ?Recycling Of Concrete Introduction Concrete is a manmade material that is widely used, making a significant portion of the waste that the world produces. It is extensively used as the basic material for infrastructure and construction1. Engineers and builders commonly use concrete for its durability and high strength which makes it able to withstand huge forces and loads. Global statistics on generated waste is not available. However, statistics from the World...
Environmental Studies: Hawaii Volcanoes National Park
3 pages (750 words) , Essay
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...alkali basalt which are rare but seen locally. The tephra deposits include the lapilli, ashes, large blocks and bombs which have been formed through steam eruptions. Caldera wall rocks, as well as alluvium and colluviums are also seen throughout the park. This grouping includes the caldera wall rocks which are seen on the steep walls of the calderas... ?Environmental studies: Hawaii Volcanoes National Park The Hawaii Volcanoes National Park is located on the Big Island of Hawaii and provides a look at two of the world’s most active volcanoes—the Kilauea and the Mauna Loa. The Kilaeua rises to about 4000 feet high but is still growing and is found at the southeastern slope of the Mauna Loa; on the other...
The Geology of Dagger Mountain at big bend national park
4 pages (1000 words) , Term Paper
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...alkali rich felsic lava flows, and the pyroclastic flows (Cullen et al 106). The lava flow formed a northwest trending belt which intruded the north... The Geology of Dagger Mountain Introduction This is a geologic report on observations made during the field mapping project of Dagger Mountain. The project was done at persimmon Gap in “Big Bend National Park.” Dagger Mountain is one of the mountains located within Sierra del Carmen. Sierra del Carmen is a mountain range extending in southeast direction from eastern “Big Bend National Park” of west Texas to northern Coahuila. Dagger Mountain is in north-eastern “Big Bend National Park” and provides a study area for field trip called the persimmon Gap....
Geology of Qatar
4 pages (1000 words) , Essay
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...alkali feldspar as well as gypsum as some of the geologic features of the region. It is important to note that several forms of inland cliffs, commonly known as zekrits as some of the geologic landforms8. This is also punctuated with several plateaus of tertiary limestones, as well as desert plains. Such zekrits are characterized by sandy features. Some regions where zekrits are found are associated with ravines as well as large gullies as some of the geologic features. In such areas, the landscape is always characterized by concave slopes. Such gullies are always associated with overhanging sides, also known as cantilevers. The region of Dukhan Sabkha is also... Geology of Qatar Geology of Qatar Qatar...
Managing Sustainability
7 pages (1750 words) , Essay
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...Alkali Inspectorate was created after the Alkali Act 1863. In January 1973 Britain joined the European Union but the laws were highly controversial like Common Agricultural Policy (CAP) and the Common Fisheries Policy (CFP). Also some of the laws were directly effective while few were addressed to Member of States for them to develop. After the establishment of United Nation (UN) in 1945 new conventions... ?Session 5 - Markets & economics growth: the ‘holy grail’. From the session I learned about the different economic growth models and how the human economy is ‘bounded’ by a non-growing and finite ecological sphere. Now I can conclude that nature cannot be exploited without limits and there are definite ...
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