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CH4 (g) + H2O (g) = CÓ (g) + 3 H2 (g) K. = 5.7 at 1773 K

CH4 (g) + H2O (g) = CÓ (g) + 3 H2 (g) K. = 5.7 at 1773 K

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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CH4 (g) + H2O (g) = CO (g) +3 H2 (g) K. = 5.7 at 1773 K 1. Parts (a) through (e) refer to the equilibrium system above. a) What is the equilibrium expression for this reaction in terms of K? b) Suppose that the initial concentrations of all species at 1773 K are: [CH4] = 0.215 M, [H>O] = 0.176 M, [CO] = 0.538 M, and [H2] = 0.993 M. I. Determine the value for the reaction quotient, Qc. II. In what direction will the reaction proceed at this temperature? Justify your answer. c) The equilibrium concentrations of CO and H2 increase when the temperature of the system increases. Is the forward reaction exothermic or endothermic? Justify your answer.
Transcribed Image Text:CH4 (g) + H2O (g) = CO (g) +3 H2 (g) K. = 5.7 at 1773 K 1. Parts (a) through (e) refer to the equilibrium system above. a) What is the equilibrium expression for this reaction in terms of K? b) Suppose that the initial concentrations of all species at 1773 K are: [CH4] = 0.215 M, [H>O] = 0.176 M, [CO] = 0.538 M, and [H2] = 0.993 M. I. Determine the value for the reaction quotient, Qc. II. In what direction will the reaction proceed at this temperature? Justify your answer. c) The equilibrium concentrations of CO and H2 increase when the temperature of the system increases. Is the forward reaction exothermic or endothermic? Justify your answer.
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