Sulfuric acid

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    Tirupur- 638604, India 3 Department of Chemistry, Sriguru Engineering College of Technology, Tamil Nadu, Coimbatore -641110, India Correspondence should be addressed to S.Aejitha ,aejitha_subbaian@yahoo.co.in ABSTRACT The inhibition efficiency of an acid extract of Antigonon Leptopus used as corrosion inhibitor for mild steel in 1M HCl medium is inspected by weight loss, temperature and electrochemical studies in the presence and absence of extract . The polarization studies…

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    prevailing winds and can travel long distances to other regions or locations where they can also cause great damage. The pollutants react with water (H2O), oxygen (O2), other gases and sunlight to form sulphuric acid (H2SO4), ammonium nitrate, and nitric acid (HNO3) (Dubey, 2013; ESA,…

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    Process To Make Copper Coated / Plated Nails 1) Measure out 1/4 cup white vinegar and put into the glass bowl. 2) Add 1 teaspoon salt. Stir salt until it dissolves in the vinegar. 3) Take a penny and submerge it into the vinegar solution 1/2 way for 10 seconds. 4) Remove penny. What do you notice? What do you think happened? 5) Put all the pennies into the bowl and let them sit in the white vinegar solution for 5-10 minutes (take notice of how the pennies look before putting them in). 6) Take…

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    Acids And Bases Essay

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    A: Background Information Acids and bases are very common in today’s society, and they can be found in most households. Acids can be found as by-products of air pollution, concrete cleaner, food flavouring and is produced by the muscle. Bases are found in most cleaning products as ammonia or sodium hydroxide, and they also treat indigestion. There are many ways that acids and bases can be defined by their chemical properties. The Bronsted-Lowry definition states that acids are proton (hydrogen…

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    H2o2

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    right and [HI] will decrease. 4. 20 grams of magnesium were placed in a conical flask. Which one of the following solutions, if added, would produce 100 mL of hydrogen gas the fastest? A. 100 mL of 4 M sulfuric acid B. 200 mL of 2 M sulfuric acid C. 400 mL of 1 M sulfuric acid D. 50 mL of 8 M sulfuric acid 5. Why does the rate of reaction increase when powdered calcium carbonate is used instead of marble chips? A. The powdered calcium carbonate acts as a catalyst. B. There is an increase of the…

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    it therefore suggests that it is highly reactive and use of water and any other chemicals that can lead to an undesired chemical reaction will be ruled out. Also, the spilled chemical is producing fumes, mostly it suggests that it is either a strong acid or an alkali in addition to its corrosive nature. Use of carbon dioxide to manage the fumes/vapors will also be ruled out as the carbon dioxide is likely to react with the chemical to form dangerous substance. Therefore, the choice left is a…

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    Effects Of Acid Rain

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    Acid rain is a precipitation which falls from the atmosphere to Earth. It contains a high level of nitrous oxide and sulphur dioxide. When they ge tin contact with water they transform to acid in the atmosphere, and then this acid is carried away by the wind thousaands of miles away from where they were created. The acidity is measured with the potential hydrogen (pH) on a scale from 0-14. The pH scale is a logarythmic measure which means that every change in pH is counted in the amount times…

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    in the residues from the manufacture of sea salt at Montpellier. He liberated the element by passing chlorine through an aqueous solution of the residues, that contained magnesium bromide. Distillation of the material with manganese dioxide and sulfuric acid produced red vapours, which condensed to a dark liquid. The similarity of this procedure to that for making chlorine suggested to Balard that he had obtained a new element similar to chlorine. German chemist Justus von Liebig supposedly had…

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    Gas Chromatography Method

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    Two chromatographic methods were developed for the assay of the FDA approved lozenges containing dextromethorphan hydrobromide (DXT) and menthol (MNT). The first was a green HPTLC method which depends on using Merck HPTLC aluminum sheets of silica gel 60 F254 and methanol-ammonia (10:0.1, v/v) as mobile phase. This was followed by densitometric measurements of the spots which were retained at 0.28 ± 0.01 for DXT and 0.76 ± 0.02 for MNT scanned at 210 nm. The method was found linear over the…

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    The Acid Bath Murderer

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    The “Acid Bath Murderer” case was about a man named John George Haigh. It was said that he killed his boss and dumped him into a forty-gallon barrel of acid (Casale,2017). Like most known killers, Haigh blended well into society. Born into a strictly religious family on July 24, 1909, Haigh claimed his childhood to be strict and somewhat lonely. During his youth, Haigh had an accident which resulted in having a blue bruise on his head. His mother told him that this blemish was a result of his…

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