下列反应中,△H和△S均大于0的是( )
A.NH3(g) + HCl(g) = NH4Cl(s) |
B.CaCO3(s) =" CaO(s)+" CO2(g) |
C.4Al(s) + 3O2(g) = 2Al2O3(s) |
D.NaOH(aq) + HCl(aq) =" NaCl(aq)" + H2O(l) |
下列反应中,△H和△S均大于0的是( )
A.NH3(g) + HCl(g) = NH4Cl(s) |
B.CaCO3(s) =" CaO(s)+" CO2(g) |
C.4Al(s) + 3O2(g) = 2Al2O3(s) |
D.NaOH(aq) + HCl(aq) =" NaCl(aq)" + H2O(l) |