Consider the following reaction where Kc = 5.10×10-6 at 548 K. NH4Cl(s) NH3(g) + HCl(g) A reaction mixture was found to contain 5.10×10-2 moles of NH4Cl(s), 3.00×10-3 moles of NH3(g), and 2.26×10-3 moles of HCl(g), in a 1.00 liter container. Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? The reaction quotient, Qc, equals . The reaction A. must run in the forward direction to reach equilibrium. B. must run in the reverse direction to reach equilibrium. C. is at equilibrium.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 120QRT
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Consider the following reaction where Kc = 5.10×10-6 at 548 K.

NH4Cl(s) NH3(g) + HCl(g)

A reaction mixture was found to contain 5.10×10-2 moles of NH4Cl(s), 3.00×10-3 moles of NH3(g), and 2.26×10-3 moles of HCl(g), in a 1.00 liter container.

Is the reaction at equilibrium?
If not, what direction must it run in order to reach equilibrium?

The reaction quotient, Qc, equals .

The reaction
A. must run in the forward direction to reach equilibrium.
B. must run in the reverse direction to reach equilibrium.
C. is at equilibrium.

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