A.熱力學(xué)能 B.焓 C.自由能 D.功
A.2Ag(s)+Cl2(g)═2AgCl(s) B.Ag(g)+1/2Cl2(g)═AgCl(s) C.Ag(s)+1/2Cl2(g)═AgCl(s) D.Ag+(aq)+Cl-(aq)═AgCl(s)
A.C(s)+O2(g)→CO2(g) B.2SO2(g)+O2(g)→2SO3(g) C.3H2(g)+N2(g)→2NH3(g) D.CuSO4(s)+5H2O(l)→CuSO4•5H2O(s)
A.等于零 B.大于零 C.小于零 D.以上三種情況均可能
A.Cl2(l) B.Br2(g) C.N2(g) D.I2(g)