The equation of ∆rGmӨ(T) = ∆rHmӨ(298.15) – 498 ∆rSmӨ(298.15) must be used to calculate ∆rGmӨ(T) for which of the processes under the following conditions ( )A:498 K, standard states B:298 K, standard states C:298 K, any state D: 498 K, any state 答案: 498 K, standard states