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When the Substances in the Equation Below Are at Equilibrium

Question 19

Multiple Choice

When the substances in the equation below are at equilibrium, at pressure, P, and temperature, T, the equilibrium can be shifted to favor the products by CuO(s) + H2(g) When the substances in the equation below are at equilibrium, at pressure, P, and temperature, T, the equilibrium can be shifted to favor the products by CuO(s) + H<sub>2</sub>(g) H<sub>2</sub>O(g) + Cu(s) ΔHº<sub>rxn</sub> = -2.0 kJ/mol A) increasing the pressure by means of a moving piston at constant T. B) increasing the pressure by adding an inert gas such as nitrogen. C) decreasing the temperature. D) allowing some gases to escape at constant P and T. E) adding a more copper. H2O(g) + Cu(s) ΔHºrxn = -2.0 kJ/mol


A) increasing the pressure by means of a moving piston at constant T.
B) increasing the pressure by adding an inert gas such as nitrogen.
C) decreasing the temperature.
D) allowing some gases to escape at constant P and T.
E) adding a more copper.

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