2 AgNO3 (s)  +  SO2 (g)      →     Ag2S (s)  +  2 NO2 (g)  +  2 O2 (g) Is the reaction spontaneous at 25.0℃? a. No it is not spontaneous at 25.0℃ b. Yes, it is spontaneous at 25.0℃. c. It is not possible to know from the available data.

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