在密闭容器中充入0.5mol N2和1.5mol H2发生反应:N2(g)+3H2(g) 2NH3(g)ΔH ="-92.4" kJ?mol-1,充分反应后放出的热量为
A.等于92.4kJ | B.等于46.2kJ | C.大于46.2kJ | D.小于46.2kJ |
在密闭容器中充入0.5mol N2和1.5mol H2发生反应:N2(g)+3H2(g) 2NH3(g)ΔH ="-92.4" kJ?mol-1,充分反应后放出的热量为
A.等于92.4kJ | B.等于46.2kJ | C.大于46.2kJ | D.小于46.2kJ |
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