slick surface. Driveways‚ sidewalks‚ patios‚ and parking lots covered with ice can cause falls‚ making you liable for injuries. So most people rely on deicers such as salt because it does a great job melting ice‚ but it also damages concrete surfaces over time. How does salt damage concrete surfaces? Salt lowers the pH balance in the concrete. Because it is acidic‚ it weakens the strength of the concrete and increases the sizes of the pores. This allows water and other elements to penetrate the surface
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Investigation on Effects of Different pH on Enzyme Activity How does the different pH buffers affect activity of potato enzyme/extract? Introduction: Proteins are polymers that are made up of smaller units/monomers called amino acids. There are 20 different types of amino acids‚ thus make up many different combinations in types‚ numbers of amino acids as well as their orders – an explanantion for why there are so many proteins. Every protein‚ due to various reactions of amino acids to each
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in the results each beaker produced. After an hour the quantity of CO2 present was measured for the beaker with water and the beaker containing bleach. The results recorded were inconclusive because the bleach had a buffer that evidently lowered the pH‚ the beaker that had water in it showed signs that photosynthesis had transpired. Introduction
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How Does The Constitution Work and How Does it Affect You? The president is the chief executive and is charged with enforcing the laws. The heads of all the government departments report to him. He is responsible for managing the government and spending the money that congress appropriates. He is the commander in chief of the armed forces but is a civilian. He can‚ with the advice and consent of the Senate‚ negotiate treaties and appoint justices of the Supreme Court and judges of lower courts
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Sonia St James Investigation: Factors that affect the outcome of enzyme activity Introduction In this project I will monitor the rate of activity of Catalase. Catalase is an Enzyme which in the right conditions catalyses the decomposition of Hydrogen Peroxide into water and oxygen; 2H2O2 + Catalase >>> 2H2O + O2 Catalase is found in all cells and protects them from Hydrogen Peroxide which is a dangerous waste product that needs to be eliminated. Without Catalase living things could not survive
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How does Technology affect Privacy? Name: Institution: How does Technology affect Privacy? The emergence of science and technology generates a platform for global communication. Users of technology forget that the platforms generated to offer communication expose their private information. One simple search through social media sites pulls out detailed information of a person for observation. Online fraudulent activities continue to grow as malicious attackers use fake accounts to steal
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grandma turns the TV off. Why does she have to cry because of the big screen things. Moreover‚ my niece also acts aggressively toward people in the house. At first‚ I thought this was so ridiculous that she cried because she was not allowed to watch TV. However‚ after I saw these situations regularly‚ I realized this was not funny anymore. Is there any way that I can help my niece to get rid of spending too much time with TV? I was really curious about how TV affects children‚ so I typed it into
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"How Does Alcohol Affect the Brain?" Alcoholism is characterized by the addiction to alcohol that is out of the drinker’s control. Not being able to stop using alcohol can cause severe physical‚ mental‚ emotional and spiritual consequences. Alcoholism is a chronic progressive disease that can be fatal if left untreated. In reality people drink for many reasons such as; it helps them relax‚ gives them confidence‚ helps them sleep‚ helps reduce anxiety‚ stops them from worrying about things‚ deal
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Biology Coursework: Preliminary Work 8/12/2013 Intro I am going to investigate a factor that affects the rate of enzyme activity What are enzymes and how do they work? Enzymes are biological catalysts - catalysts are substances that increase the rate of chemical reactions without being used up. Enzymes are also proteins and thus have a specific shape. They are therefore specific in the reactions that they catalyse - one enzyme will react with molecules
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LABORATORY REPORT TITLE : MEASURING pH LEVELS AND WATER ACTIVITY OF FOODS NAME: MATRIC NO: GROUP: 2 DATE OF EXPERIMENTAL WORK: 13 MARCH 2013 DATE OF SUBMISSION: 20 MARCH 2013 TITLE: MEASURING pH LEVELS AND WATER ACTIVITY OF FOODS ACTIVITY 1 Introduction : This experiment was performed to investigate the pH levels of different types of food products. The pH of a solution can be determined experimentally in several ways. The pH scale is the range of pH values from 0 to 14. The paper that
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