已知298K时△ f H m Θ Fe 3 O 4 ,s= -1118.0 kJ·mol -1 ,△ f H m Θ H 2 O,g = -241.8 kJ·mol -1 ,则 反 应 Fe 3 O 4 s+ 4H 2 g → 3Fe s + 4H 2 O g 的△ r H m Θ = .... ......
A.
-150.8 kJ·mol-1
B.
150.8 kJ·mol-1;
C.
876.2 kJ·mol-1
D.
- 876.2 kJ·mol-1
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