The equation represents a chemical reaction at equilibrium.HCI (aq) + Mg (s) 2 MGCI2 (aq) + H2 (g) + heatWhat happens to the system when the temperature is decreased?The reaction shifts toward the right, and the amount of hydrogen gasincreases.ABThe reaction shifts toward the right, and the amount of hydrogen gasdecreases.The reaction shifts toward the left, and the amount of hydrogen gasincreases.DThe reaction shifts toward the left, and the amount of hydrogen gasdecreases.

Le Chatelier principal explaines the effect of temperature on the equilibrium. In exothermic…

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What happens to the system when the temperature is decreased?

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 12CR

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Question

The equation represents a chemical reaction at equilibrium.
HCI (aq) + Mg (s) 2 MGCI2 (aq) + H2 (g) + heat
What happens to the system when the temperature is decreased?
The reaction shifts toward the right, and the amount of hydrogen gas
increases.
A
B
The reaction shifts toward the right, and the amount of hydrogen gas
decreases.
The reaction shifts toward the left, and the amount of hydrogen gas
increases.
D
The reaction shifts toward the left, and the amount of hydrogen gas
decreases.

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