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Free research essays on topics related to: ph level

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  • Test Tube Degrees Celsius
    1,267 words
    Enzyme Action: Testing Catalase Activity Enzymes are proteins that serve as catalysts and accelerate chemical reactions in living organisms. Enzymes accomplish this by lowering the energy of activation of the organism it is acting upon, however enzymes will only lower the energy of activation for specific organisms, reducing chaotic chemical reactions. The reaction is carried out in its entirety in the active site of the enzyme. The substrate (organism acted upon), binds itself into the active s...
    Free research essays on topics related to: ph levels, degrees celsius, chemical reactions, test tube, optimum temperature
  • Effects Of Acid Rain Sulfur Dioxide And Nitrogen
    3,730 words
    What is acid rain? Acid rain is the term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture. The term 'acid rain' is slightly misleading, and would be more accurate if deemed 'enhanced acid rain', as rain occurs acidic naturally. Acidity is measured on what is know as the pH scale. Fourteen is the most basic, seven is the most neutral, and zero is the most acidic. Pure rain has a pH level of 7, which is exactly neutral. The acidity of rain is determined by t...
    Free research essays on topics related to: ph of 5, h 2 o, effects of acid rain, sulfur dioxide and nitrogen, 2 o 2
  • Sodium Hydroxide Universal Indicator
    854 words
    Experiments to Determine the Effect of Acids & Bases on Different Indicators and the pH of Common Cleaning Agents The aim of the first set of experiments is to find out and record the colour changes that are observed after a certain indicator is mixed with acids and bases to form a colour reaction. Once the selected indicator has been mixed with a acid that is both weak and strong and a base / alkali that is both weak and strong we are to record the colour and choose another indicator. The purpo...
    Free research essays on topics related to: sodium hydroxide, universal indicator, sulfuric acid, hydrochloric acid, test tubes
  • Sulfur Dioxide And Nitrogen Burning Of Fossil Fuels
    1,264 words
    What is Acid Rain? Acid rain is a form of precipitation that falls to the earth as rain. For rain to be acidic it has a pH level of less than 5. 6. The corrosive nature of acid rain causes widespread damage to the environment. The problem begins with the production of sulfur dioxide and nitrogen oxides from the burning of fossil fuels, such as coal, natural gas, oil and other kinds of manufacturing. When these pollutants are in the air, they react with water and other chemicals, to form sulfuric...
    Free research essays on topics related to: burning of fossil fuels, sulfur dioxide and nitrogen, effects of acid rain, nitrogen oxides, sulfuric acid
  • Determining Ph Of Identical Strong And Weak Solutions
    844 words
    Experiment: Determining pH of identical strong and weak solutions Date: 31 / 10 / 03 Aim: Plan and perform a first-hand investigation to measure the pH of identical concentrations of strong and weak acids. Equipment: Deionised water (H 2 O) Tartaric Acid (C 4 H 6 O 6) Citric Acid (C 6 H 8 O 7) Sulfuric Acid (H 2 SO 4) Acetic Acid (CH 3 COOH) Hydrochloric Acid (HCl) Ammonium Chloride (NH 4 Cl) Tap Water (H 2 O) Nitric Acid (HNO 3) Probe Ferric chloride (Fe Cl 3) Wash bottle Sodium Chloride in tap...
    Free research essays on topics related to: acetic acid, nitric acid, citric acid, sulfuric acid, sodium chloride
  • Sulfur Dioxide Acid Rain
    318 words
    Acid Rain is, rain that is acidic (naturally). There is a pH level scale which tells if something is acidic or not. Due to certain chemicals in the rain it has a pH level of around 5. 0, and sometimes even 4. 0 (around volcanoes activity). The term acid rain is now used for rain with a pH below 5. Acid rain is caused when gases, generally like sulfur dioxide (SO 2), dissolves into water to form sulfuric acid. The rest comes from different oxides of nitrogen (mainly NO 2 and NO 3). The chemical r...
    Free research essays on topics related to: rain, sulfur dioxide, ph level, sulfuric acid, acid rain
  • Investigation On The Enzyme Trypsin
    2,197 words
    An Investigation determining a factor affecting the rate of digestion of gelatin by the protease trypsin. Introduction An enzyme is a biological catalyst, which speeds up reactions. An example of this in the human body is trypsin (a protease produced in the pancreas and used in the stomach), which catalyses the digestion of gelatine, a protein. For this investigation, a photographic film will be the source of the gelatine. I will be able to identify when the gelatine is digested, when the photog...
    Free research essays on topics related to: ph levels, independent variables, test tube, water bath, activation energy
  • United States And Canada Ph Of 5
    903 words
    How Acid Rain Develops, Spreads, and Destroys Acid rain is environmentally damaging rainfall that occurs after fossil fuels burn, releasing nitrogen and sulphur oxides into the atmosphere. Acid rain, simply stated, increases the acidity level of waterways because these nitrogen and sulphur oxides combine with the air? s normal rainfall. Acid rain is a silent threat because its effects, although slow, are cumulative. This analysis explains the cause, the distribution cycle, and the effects of aci...
    Free research essays on topics related to: ph of 5, united states and canada, fossil fuels, nitrogen oxide, acid rain
  • Rate Of Reaction Bunsen Burner
    2,301 words
    For this investigation I am going to investigate the effect of the concentration of an enzyme, in this case Amylase, on the time taken for the enzyme to fully breakdown the substrate, which in this case is starch. The reason why these two enzymes have to be used is because each enzyme is designed specifically to break down only one substrate as each enzyme is made of a protein that causes it to be a specific shape, in this case the enzyme Amylase can only break down starch to dextrin. I am going...
    Free research essays on topics related to: test tube, bunsen burner, rate of reaction, ph level, water bath
  • Environmental Protection Agency Clean Air Act
    1,937 words
    In the past century, one of the greatest threats to North Americas aquatic ecosystem has been the widespread acidification of hundreds of thousands of waterways. Acid rain has effected plant and animal life within aquatic ecosystems, as well as microbiology activity by affecting the rates of decomposition and the accumulation of organic matter. What causes this poisonous rain, and what can be done to improve North Americas water quality and prevent future catastrophes? To answer these questions,...
    Free research essays on topics related to: clean air act, environmental protection agency, nitrogen oxides, acid rain, sulfur dioxide
  • Hydrogen Peroxide Graduated Cylinder
    1,654 words
    Situations That Govern the Pace of an Enzymatic Reaction: Enzyme Concentration, Temperature, and phone Saunders BSC 1010 C; T, R: 11: 50 - 12: 05 Lab: T: 12: 15 - 3: 05 INTRODUCTION: An enzyme is any one of many specialized organic substances, composed of polymers of amino acids that act as catalysts to regulate the speed of the many chemical reactions involved in the metabolism of living organisms. The word enzyme comes from the Greek phrase? en yeast? . Many scientists who studied enzymes in t...
    Free research essays on topics related to: ph levels, chemical reactions, hydrogen peroxide, graduated cylinder, test tubes
  • Water Level Ph Level
    652 words
    How to Open and Close an Outdoor Pool If you have never opened or closed your outdoor pool before, and you are in any doubt as to your ability to do so, you would be better off calling your local pool center to do the job for you. However, if you are somewhat familiar with pool care and are willing to undertake the work yourself, the following guidelines should be provide adequate information to help you along the way. First, we will begin with opening your outdoor pool. Begin by removing any su...
    Free research essays on topics related to: winter, outdoor, water level, pool, ph level

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