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N2(g)+2O2(g)N2O4(g)  ¦¤H=+8.7 kJ¡¤mol-1

N2H4(g)+O2(g) N2(g)+2H2O(g)  ¦¤H=-534.0 kJ¡¤mol-1

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A.2N2H4(g)+N2O4(g) 3N2(g)+4H2O(g)  ¦¤H=-542.7 kJ¡¤mol-1

B.2N2H4(g)+N2O4(g) 3N2(g)+4H2O(g)  ¦¤H=-1 059.3 kJ¡¤mol-1

C.N2H4(g)+N2O4(g) N2(g)+2H2O(g)  ¦¤H=-1 076.7 kJ¡¤mol-1

D.2N2H4(g)+N2O4(g) 3N2(g)+4H2O(g)  ¦¤H=-1 076.7 kJ¡¤mol-1

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