Dinitrogen trioxide decomposes to NO and NO2 in an endothermic process (∆H = + 40,5   kJ/mol).   N2O3 (g) ⇄ NO (g) + NO2 (g)   Predict the effect of the following changes on the position of the equilibrium; that is, state   which way the equilibrium will shift (left, right, or no change) when each of the following   changes is made. Motivate each prediction fully.  (a) Increasing the container volume

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