A mixture containing CO(g), H2O(g), CO2(g), and H2(g) is allowed to reach equilibrium at 120 °C in a — Equilibrium Chemistry Question
Question
A mixture containing CO(g), H2O(g), CO2(g), and H2(g) is allowed to reach equilibrium at 120 °C in a container that maintains a constant total pressure of 1.0 bar.
CO(g) + H2O(g) ⇌ CO2(g) + H2(g)
5.0 g of H2O is added to this container, which is allowed to reattain equilibrium (still at 120 °C and 1 bar total pressure). How does the partial pressure of H2(g) change as a result of the addition of H2O?
A.
The partial pressure of H2(g) increases.
B.
The partial pressure of H2(g) decreases.
C.
The partial pressure of H2(g) does not change.
D.✓ Correct
The effect on the partial pressure of H2(g) cannot be determined from the information given.
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