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The equation below shows the equilibrium reaction for the conversion of dinitrogen tetroxide, N2O4(g), to nitrogen dioxide, NO2(g): N2O4(g) ⇌ 2NO2(g) ΔH = +58.0 kJ mol^-1 Which one of the following occurs when the temperature is increased from 35 °C to 80 °C? Rate of forward reaction Rate of reverse reaction A - VCE - SSCE Chemistry - Question 14 - 2023 - Paper 1
Question 14
The equation below shows the equilibrium reaction for the conversion of dinitrogen tetroxide, N2O4(g), to nitrogen dioxide, NO2(g): N2O4(g) ⇌ 2NO2(g) ΔH = +58.0 kJ ... show full transcript
Worked Solution & Example Answer:The equation below shows the equilibrium reaction for the conversion of dinitrogen tetroxide, N2O4(g), to nitrogen dioxide, NO2(g): N2O4(g) ⇌ 2NO2(g) ΔH = +58.0 kJ mol^-1 Which one of the following occurs when the temperature is increased from 35 °C to 80 °C? Rate of forward reaction Rate of reverse reaction A - VCE - SSCE Chemistry - Question 14 - 2023 - Paper 1
Step 1
Rate of forward reaction
Answer
The forward reaction involves the conversion of N2O4 to NO2, which is endothermic as indicated by the positive ΔH value. According to Le Chatelier's principle, increasing the temperature favors the endothermic direction, leading to an increase in the rate of the forward reaction.
Step 2