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反应2NH3(g)====N2(g)+3H2(g),(298K)=92.2kJ·mol-1,则(NH3,g,298K)为______kJ·mol-1

A.174.24.96:6088/Latex/latex.action?latex=4pazX3tyfUhfe219Xntcb21pbnVzIH0%3D'
B.2kJ·mol-1,则C.174.24.96:6088/Latex/latex.action?latex=4pazX3tmfUhfe219Xntcb21pbnVzIH0%3D'

【参考答案】

-46.1
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