For each of the following reactions, calculate ΔH°rxn, ΔS°rxn, ΔG°rxn at 25 °C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C?
2CH4(g)=C2H6(g)+H2(g)