已知反应2H 2 (g) + O 2 (g) ==2H 2 O (1) △H=-285.8 kJ·mol -1 ,下列结论中,正确的是 [ ]
A.
E(反应物)>E(生成物)
B.
E(反应物)
C.
反应放热
D.
反应吸热
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参考答案:
举一反三
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