A.2912 kJ | B.2953 kJ | C.3236 kJ | D.3867 kJ |
A.前者比后者多890kJ | B.后者比前者多890kJ |
C.前者比后者多445kJ | D.后者比前者多445kJ |
1 |
2 |
1 |
2 |
A.392.93kJ | B.2489.42kJ | C.784.92kJ | D.3274.3kJ |
A.释放1780kJ | B.释放1220kJ |
C.释放450kJ | D.吸收430kJ•mol-1 |
A.1:1 | B.1:3 | C.1:4 | D.2:3 |
A.等于92.4kJ | B.等于46.2kJ | C.大于46.2kJ | D.小于46.2kJ |
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