We’re being asked to determine what will happen to the NH3 partial pressure when the volume is decreased.
4 NH3 (g) + 3 O2(g) ⇌ 2 N2(g) + 6 H2O(g) ΔH = +64.5 kJ/mol
According to Le Chatelier’s Principle, if a system (chemical reaction) is at equilibrium and we disturb it, then the system will readjust to maintain its equilibrium state.
Consider the following reaction at equilibrium in a closed container.
4 NH3 (g) + 3 O2(g) ⇌ 2 N2(g) + 6 H2O(g) ΔH = +64.5 kJ/mol
Decreasing the volume of the reaction vessel will __________ the NH3 partial pressure.
A) increase
B) decrease
C) not change
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