A.①②③④ B.②④③① C.③②①④ D.③②④①
A.NaCl B.CaCl2 C.AlCl3 D.CsCl
已知下列反應(yīng)的平衡常數(shù) 2Cu(S)+1/2O2(g)=Cu2O(s) K1 Cu2O(s)+1/2O2(g)=2CuO(s) K2 則可指出反應(yīng) 2Cu(S)+O2(g)= 2CuO(s) 的K等于:()
A.K1+K2 B.K1-K2 C.K1×K2 D.K1/K2