Answered: quantity

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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Question

At 1500K, the oxidation of sulfur dioxide produces sulfur trioxide with an equilibrium constant of K=2.3 x 10 ⁴.

2 SO _2(g) + O _2(g) <--> 2 SO _3(g)A quantity of sulfur dioxide and oxygen were placed in a 1.0-liter flask and allowed to react at 999K. After an hour the flask contents were analyzed and the following was obtained.

[SO ₃] = 0.22M
[SO ₂] = 0.55M
[O ₂] = 0.27M

Which of the following is correct?

	a.	The system is at equilibrium
	b.	The system has to shift to the right to achieve equilibrium
	c.	The system has to shift to the left to achieve equilibrium
	d.	Need more information to determine answer

Expert Solution

Step 1 Firstly findout the Qc

Qc = [Product] / [ Reactant ]

Qc = [ SO3 ]^2 / [ SO2 ]^2 • [ O2 ]

Qc = (0.22)^2 / (0.55)^2 • ( 0.27 )

Qc = 0.59

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