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Chap. 6, Section 3 “Controlling Chemical Reactions”

Chap. 6, Section 3 “Controlling Chemical Reactions”. What is the difference between an endothermic and exothermic reaction? (from a previous section) Define activation energy.

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Chap. 6, Section 3 “Controlling Chemical Reactions”

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  1. Chap. 6, Section 3 “Controlling Chemical Reactions” • What is the difference between an endothermic and exothermic reaction? (from a previous section) • Define activation energy • In an endothermic reaction, the energy is absorbed (brought in) while in an exothermic reaction the energy is released. • the minimum amount of energy needed to start a chemical reaction

  2. Chap. 6, Section 3 “Controlling Chemical Reactions” • How is activation energy related to chemical reactions? • What factors affect the rate of a chemical reaction? • All chemical reactions need a certain amount of activation energy to get started. • Changing surface area, temperature, and concentration, and using catalysts and inhibitors.

  3. Chap. 6, Section 3 “Controlling Chemical Reactions” • Define concentration. • What is a catalyst? • What is an inhibitor? • Amount of a substance in a given volume. • A material that increases the rate of a reaction. • A material used to decrease the rate of a reaction.

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