A.ΔH3=ΔH1+2ΔH2 | B.ΔH3=ΔH1+ΔH2 |
C.ΔH3=ΔH1-2ΔH2 | D.ΔH3=ΔH1-ΔH2 |
A.N2H4(g)+2H2O2(l)=N2(g)+4H2O(l);ΔH=+817.63 kJ·mol-1 |
B.N2H4(g)+2H2O2(l)=N2(g)+4H2O(g);ΔH=-641.63 kJ·mol-1 |
C.N2H4(g)+2H2O2(l)=N2(g)+4H2O(l);ΔH=-641.63 kJ·mol-1 |
D.N2H4(g)+2H2O2(l)=N2(g)+4H2O(g);ΔH=-817.63 kJ·mol-1 |
实验组 | 温度/℃ | 起始量/mol | 平衡量/mol | 达到平衡所需时间/min | |
H2O | CO | CO2 | |||
1 | 650 | 2 | 4 | 1.6 | 5 |
2 | 900 | 1 | 2 | 0.4 | 3 |
3 | 900 | 1 | 2 | 0.4 | 1 |
T/℃ | T1 | 300 | T2 |
K | 1.00×107 | 2.45×105 | 1.88×103 |
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