已知φ0(Cu2+/Cu+)=0.158V,φ0(Cu+/Cu)=0.522V,2Cu+=Cu2++Cu,求298K時(shí)反應(yīng)的標(biāo)準(zhǔn)平衡常數(shù)?
反應(yīng)C3H8(g)+5O2(g)=3CO2(g)+4H2O(l)在敞開容器體系中燃燒,測得其298的恒壓反應(yīng)熱為-2220kJ/mol,求: (1)反應(yīng)的△rH0M是多少? (2)反應(yīng)的△U是多少?