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True/False Indicate whether the statement is true or false. (2 marks) 1. A reaction XY occurs in a closed vessel. When it reaches equilibrium at temperature T, the number of molecules changing from X to Y is equal to the number of molecules changing from Y to X. (EQ1.1) 2. In an exothermic reaction, an increase in temperature favors the formation of products. (EQ1.6) Multiple Choice Identify the choice that best completes the statement or answers the question. (10 marks) 1. Under suitable laboratory conditions, the products of many chemical reactions can be made to directly react to re-form the reactants. Such reactions are described as (EQ1.1) a. dynamic. b. stressed. c. reversible. d. catalyzed. 2. The state of chemical equlibrium exists when (EQ1.1) a. one of more of the products is a gas or a solid. b. products of a reaction recombine to form reactants. c. concentration of reactants and products are equal. d. forward and reverse reaction are occurring at the same rate. 3. Which is the K, expression for the reaction whose balanced equation is (EQ1.2) a. [A][B] [C] [C] b. [24][B] C. [C] [A][B] d. [A]²[B][C] 2A+B=C

True/False Indicate whether the statement is true or false. (2 marks) 1. A reaction XY occurs in a closed vessel. When it reaches equilibrium at temperature T, the number of molecules changing from X to Y is equal to the number of molecules changing from Y to X. (EQ1.1) 2. In an exothermic reaction, an increase in temperature favors the formation of products. (EQ1.6) Multiple Choice Identify the choice that best completes the statement or answers the question. (10 marks) 1. Under suitable laboratory conditions, the products of many chemical reactions can be made to directly react to re-form the reactants. Such reactions are described as (EQ1.1) a. dynamic. b. stressed. c. reversible. d. catalyzed. 2. The state of chemical equlibrium exists when (EQ1.1) a. one of more of the products is a gas or a solid. b. products of a reaction recombine to form reactants. c. concentration of reactants and products are equal. d. forward and reverse reaction are occurring at the same rate. 3. Which is the K, expression for the reaction whose balanced equation is (EQ1.2) a. [A][B] [C] [C] b. [24][B] C. [C] [A][B] d. [A]²[B][C] 2A+B=C

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.76P
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True/False Indicate whether the statement is true or false. (2 marks) 1. A reaction XY occurs in a closed vessel. When it reaches equilibrium at temperature T, the number of molecules changing from X to Y is equal to the number of molecules changing from Y to X. (EQ1.1) 2. In an exothermic reaction, an increase in temperature favors the formation of products. (EQ1.6) Multiple Choice Identify the choice that best completes the statement or answers the question. (10 marks) 1. Under suitable laboratory conditions, the products of many chemical reactions can be made to directly react to re-form the reactants. Such reactions are described as (EQ1.1) a. dynamic. b. stressed. c. reversible. d. catalyzed. 2. The state of chemical equlibrium exists when (EQ1.1) a. one of more of the products is a gas or a solid. b. products of a reaction recombine to form reactants. c. concentration of reactants and products are equal. d. forward and reverse reaction are occurring at the same rate. 3. Which is the K, expression for the reaction whose balanced equation is (EQ1.2) a. [A][B] [C] [C] b. [24][B] C. [C] [A][B] d. [A]²[B][C] 2A+B=C
Transcribed Image Text:True/False Indicate whether the statement is true or false. (2 marks) 1. A reaction XY occurs in a closed vessel. When it reaches equilibrium at temperature T, the number of molecules changing from X to Y is equal to the number of molecules changing from Y to X. (EQ1.1) 2. In an exothermic reaction, an increase in temperature favors the formation of products. (EQ1.6) Multiple Choice Identify the choice that best completes the statement or answers the question. (10 marks) 1. Under suitable laboratory conditions, the products of many chemical reactions can be made to directly react to re-form the reactants. Such reactions are described as (EQ1.1) a. dynamic. b. stressed. c. reversible. d. catalyzed. 2. The state of chemical equlibrium exists when (EQ1.1) a. one of more of the products is a gas or a solid. b. products of a reaction recombine to form reactants. c. concentration of reactants and products are equal. d. forward and reverse reaction are occurring at the same rate. 3. Which is the K, expression for the reaction whose balanced equation is (EQ1.2) a. [A][B] [C] [C] b. [24][B] C. [C] [A][B] d. [A]²[B][C] 2A+B=C
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