Problem: 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/molIncreasing the temperature of the reaction vessel will __________ the NH3 partial pressure.  A) increaseB) decrease C) not change

FREE Expert Solution

We’re being asked to determine what will happen to the NH3 partial pressure when the temperature is increased. 


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.


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Problem Details

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

Increasing the temperature of the reaction vessel will __________ the NH3 partial pressure.  

A) increase

B) decrease 

C) not change