Essential Chemistry for IGCSE - Chemical Reactions (Section 2 - No. 4)
Consider the following reaction: 2NO(g) + O2(g) ⇌ 2NO2(g) ΔH < 0. What effect will increasing the temperature have on the equilibrium?
Shift the equilibrium to the right (favoring the products).
Shift the equilibrium to the left (favoring the reactants).
Have no effect on the equilibrium.
Increase the rate of the reaction but not affect the equilibrium.
Explanation
Increasing temperature favors the endothermic direction, in this case the reverse reaction (left side).
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