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1- The reaction between sulfur dioxide and molecular oxygen has a Kc value of 1.7 x 106 at 700 K. 2SO2 (g) + O2 = 2SO3 If this reaction is carried out in a sealed reaction vessel and the equilibrium concentrations of O, and SO3 are 2.1 x 103 M and 3.8 M, respectively, then what is the concentration of SO2 in the vessel at equilibrium?

1- The reaction between sulfur dioxide and molecular oxygen has a Kc value of 1.7 x 106 at 700 K. 2SO2 (g) + O2 = 2SO3 If this reaction is carried out in a sealed reaction vessel and the equilibrium concentrations of O, and SO3 are 2.1 x 103 M and 3.8 M, respectively, then what is the concentration of SO2 in the vessel at equilibrium?

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
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1- The reaction between sulfur dioxide and molecular oxygen has a Kc value of 1.7 x 106 at 700 K. 2SO2 (g) + O2 = 2SO3 If this reaction is carried out in a sealed reaction vessel and the equilibrium concentrations of O, and SO3 are 2.1 x 10-3 M and 3.8 M, respectively, then what is the concentration of SO2 in the vessel at equilibrium? 2- Consider the following equilibrium 2SO3 (g) + 2SO2 (g) = 02 (g) Suppose that 0.0150 mol SO3 (g) is placed in a 1.00 L vessel and allowed to come to equilibrium at a high temperature. When equilibrium is achieved, 0.0076 mol SO3 remains. Calculate the value of the equilibrium constant for the reaction. (Hint: use ICE table)
Transcribed Image Text:1- The reaction between sulfur dioxide and molecular oxygen has a Kc value of 1.7 x 106 at 700 K. 2SO2 (g) + O2 = 2SO3 If this reaction is carried out in a sealed reaction vessel and the equilibrium concentrations of O, and SO3 are 2.1 x 10-3 M and 3.8 M, respectively, then what is the concentration of SO2 in the vessel at equilibrium? 2- Consider the following equilibrium 2SO3 (g) + 2SO2 (g) = 02 (g) Suppose that 0.0150 mol SO3 (g) is placed in a 1.00 L vessel and allowed to come to equilibrium at a high temperature. When equilibrium is achieved, 0.0076 mol SO3 remains. Calculate the value of the equilibrium constant for the reaction. (Hint: use ICE table)
Expert Solution
1. Sol :- Step 1

Given reaction is :

2SO2 (g) + O2 (g) <--------> 2SO3 (g) , Kc = 1.7 x 106 

Equilibrium concentration of O2 = [O2] = 2.1 x 10-3 M 

Equilibrium concentration of SO3 = [SO3] = 3.8 M 

Equilibrium concentration of SO2 = [SO2] = ?

 

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