gives them a better understanding of how chemical reactions work and what products they may form. Materials & Procedure Materials: * Wood Splints - Copper Sulfate * Sodium Sulfate - Copper Wire * Barium Chloride - 6% Hydrogen Peroxide * Mossy Zinc - Copper Sulfate Pentahydrate * Hydrochloric Acid - Iron Filings * Manganese Dioxide Procedure: Reaction A Place a scoop of copper (II) sulfate pentahydrate crystals in a clean‚ dry test tube. Use a test tube
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IB Biology Sheran Gu Meghan Lena Nov. 15th Influence of pH on Enzyme Activities How does the pH of solution influence the speed of enzyme activities? Enzymes are protein catalysts and chemical that speed up chemical reaction without being involved in the reaction. They are involved in the human digestive system to help people digest food more efficient. Food are substrates to be break down and absorb through the digestive system in the body. Substrate is a molecule that bond with the active site
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[1] They are small‚ membrane bounded organelles that have at least fifty different enzymes for several metabolic reactions. [2] Their appearance is like lysosomes; however‚ their main function is oxidation reactions especially oxidation of hydrogen peroxide and producing oxygen and water. There are diseases related and caused by this organelle that can be classified in three groups. [2] First group is a disorder duo to overall dysfunction of peroxisomes‚ like zellweger syndrome‚ second group duo
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a decomposition reaction could be a redox reaction. The electrolysis of water is a redox reaction. With a direct electric current through it‚ water can be separated into oxygen and hydrogen. H2O H2 + O2 The oxygen and hydrogen in the water are attached by a covalent bond that breaks to make the element oxygen and the element hydrogen. Learning more about the conditions for redox reactions will show that the electrolysis of water is a redox reaction. A single replacement reaction is always a redox reaction
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reactions performed in the lab. Reaction 6: Reaction 7: The decomposition of hydrogen peroxide is an example of decomposition. In the lab‚ this was tested when we added hydrogen peroxide and a catalyst of manganese together. When a glowing splint was held over the test tube after the peroxide and manganese had time to react‚ it relit‚ proving that oxygen was present as a product of the decomposition of the hydrogen peroxide. Decomposition reactions occur when a single substance breaks down into two
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information as to how temperature effects the amount of oxygen produced in an enzyme- catalase experiment. In the experiment we used liver extract as a catalase and created a chemical reaction within a reaction chamber between the catalase and hydrogen peroxide as well as three different controlled temperatures. In the procedure below there will be a step by step process as to how the experiment was created. As a result we found that the higher the temperature in the water bath the more oxygen will
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Université Saint-Joseph Année universitaire 2013 – 2014 First semester of master in « Bio marketing » Course “Dental products” Subject Marketing plan for tooth whitening products Presented by ABOU-RACHED Marise IBRAHIM Roy Outline I-Introduction II-Marketing plan 1-Executive summary 2-Marketing environment Situation analysis Market Summary Market needs Objectives 3-SWOT Analysis Strengths Weaknesses Opportunities Threats
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membered ring1. Figure1: The 3-D molecular structure of cobalt (III) acetylacetonate 2 Figure2(a): Water formed as a by-product2 Figure2(b): Carbon dioxide formed as a by-product2 The hydrogen peroxide used in this practical as an oxidizing agent to produce the cobalt (III) acetylacetonate from cobalt (II) carbonate and a stoichiometrically calculated amount of acetylacetone3. 2CoCO3 + 6CH 3COCH 2COCH3 + H2O2 2Co(CH3COCHCOCH3 ) +
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upper respiratory tract‚ including most species of Streptococcus and Staphylococcus‚ is to inhibit the growth of aerobic organisms through the presence of oxygen and high concentration of tellurite. Reactive oxygen species compounds such as hydrogen peroxide (H2O2)‚ superoxide anion (O2-) and hydroxyl redical (OH-) are natural byproducts of the normal metabolism of oxygen that can be formed by exposure of cells to free-radical generating molecules like metals and metalloids. ROS compounds are generally
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A Qualitative Analysis on the Efficiency of RCA Standard Clean Method using External Visual Inspection(EVI) |Abarro‚ Ghizelle Jane E. | |Department of Mining‚ Metallurgical and Materials Engineering | |University of the Philippines‚ Diliman
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