WebApr 2, 2024 · chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or … WebAug 13, 2024 · Answers Chemical bonds have a certain energy that is dependent on the elements in the bond and the number of bonds between the atoms. Energy changes because bonds rearrange to make new bonds with different energies. Reaction A is exothermic because heat is leaving the system making the test tube feel hot.
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WebCorrect Answer. (a) Hydrogen gas and iron chloride are produced. Q4. Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and … WebMay 9, 2024 · Don Bayley, Getty Images. In addition to the 5 main types of chemical reactions, there are other important categories of reactions and other ways to classify … breathe and flow beginner yoga
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WebApr 21, 2024 · A chemical reaction is a chemical change which forms new substances. A chemical reaction may be represented by a chemical equation, which indicates the … Webanswer choices The optimum pH of the enzyme is 6.6. The optimum pH of the enzyme is 5.8 The enzyme’s activity increases as pH increases 5.0 to 9.0 The enzyme’s activity is greater around pH of 8.0 . Question 15 60 seconds Q. Many of the proteins in the human body are enzymes that catalyze chemical reactions. WebSep 22, 2024 · A. The forward reaction happens slightly faster than the reverse reaction. B. The reaction has stopped because all reactants have been used up. C. The forward … breathe and flow 22