A.N2H4(l)+2H2O2(l)=N2(g)+4H2O(g) ΔH=128.326 kJ·mol-1 |
B.N2H4(l)+2H2O2(l)=N2(g)+4H2O(g) ΔH=-128.326 kJ·mol-1 |
C.N2H4(l)+2H2O2(l)=N2(g)+4H2O(g) ΔH=-641.63 kJ·mol-1 |
D.N2H4(l)+2H2O2(l)=N2(g)+4H2O(g) ΔH=-256.625 kJ·mol-1 |
A.① | B.④ | C.②③④ | D.①②③ |
A.-441.8 kJ·mol-1 | B.-254.6 kJ·mol-1 |
C.-438.9 kJ·mol-1 | D.-260.4 kJ·mol-1 |
A.ΔH=+244.1 kJ·mol-1 |
B.ΔH=-488.3 kJ·mol-1 |
C.ΔH=-996.6 kJ·mol-1 |
D.ΔH=+996.6 kJ·mol-1 |
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