下列反应中,一定不能自发进行的是( )
A.2KClO3(s)=2KCl(s) +O2(g) ΔH=-78.03 kJ·mol-1ΔS=1110 J·mol-1·K-1 |
B.CO(g)=C(s石墨) +1/2O2(g) ΔH=110.05 kJ·mol-1ΔS=-89.36 J·mol-1·K -1 |
C.4Fe(OH)2(s)+2H2O(l)+O2(g)=4Fe(OH)3(s) ΔH=-444.3 kJ·mol-1ΔS=-280.3 J·mol-1·K-1 |
D.NH4HCO3(s)+CH3COOH(aq)=CO2(g)+CH3COO NH4(aq)+H2O(l) |
ΔH=37.30 kJ·mol-1 ΔS=184.05 J·mol-1·K-1