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When a catalyst is added to a reaction, the reaction rate is increased because the catalyst 1) increases activation energy 2) decreases activation energy 3) increases potential energy of the reactants 4) decreases potential energy of the reactants

When a catalyst is added to a reaction, the reaction rate is increased because the catalyst 1) increases activation energy 2) decreases activation energy 3) increases potential energy of the reactants 4) decreases potential energy of the reactants

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter13: Rates Of Reaction
Section: Chapter Questions
Problem 13.143QP
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FYI: #5-8 is like a),b),c) and d)

Thank you. 

Practice 5 When a catalyst is added to a reaction, the reaction rate is increased because the catalyst 1) increases activation energy 2) decreases activation energy 3) increases potential energy of the reactants 4) decreases potential energy of the reactants Practice 6 Given the reaction: Mg(s) + 2HNO3(aq) Mg(NO3)2(aq) + H2(g) At which temperature will the reaction occur at the greatest rate? 2) 50°C 1) 10°C 3) 30°C 4) 70°C Practice 7 Given the reaction CuSO4(s) → Cu²*(aq) + SO, (aq) The CuSO4(s) dissolves more rapidly when it is powdered because the increase in the surface area allows for 1) increased exposure of solute to solvent 2) decreased exposure of solute to solvent 3) increased solute solubility 4) decreased solute solubility Practice 8 Based on the nature of the reactants in each equation, which reaction at 25°C will occur at the fastest rate? 1) KI(aq) 2) C(s) 3) 2SO2(g) + O2(g) 4) NH3(g) + HCI(g) → NH4CI(s) + A£NO3(aq) → Agl(s) + KNO3(aq) → CO(g) → 2SO3(g) + 02(g)
Transcribed Image Text:Practice 5 When a catalyst is added to a reaction, the reaction rate is increased because the catalyst 1) increases activation energy 2) decreases activation energy 3) increases potential energy of the reactants 4) decreases potential energy of the reactants Practice 6 Given the reaction: Mg(s) + 2HNO3(aq) Mg(NO3)2(aq) + H2(g) At which temperature will the reaction occur at the greatest rate? 2) 50°C 1) 10°C 3) 30°C 4) 70°C Practice 7 Given the reaction CuSO4(s) → Cu²*(aq) + SO, (aq) The CuSO4(s) dissolves more rapidly when it is powdered because the increase in the surface area allows for 1) increased exposure of solute to solvent 2) decreased exposure of solute to solvent 3) increased solute solubility 4) decreased solute solubility Practice 8 Based on the nature of the reactants in each equation, which reaction at 25°C will occur at the fastest rate? 1) KI(aq) 2) C(s) 3) 2SO2(g) + O2(g) 4) NH3(g) + HCI(g) → NH4CI(s) + A£NO3(aq) → Agl(s) + KNO3(aq) → CO(g) → 2SO3(g) + 02(g)
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