What Drives Chemical Reactions D.2 Energy Cycles in Reactions (id: 8eb23fb82)

本题目来源于试卷: What Drives Chemical Reactions D.2 Energy Cycles in Reactions，类别为 IB化学

[单选题]
What is the enthalpyte /qgevu( xk24x8 z)d5-gh749 x4mgfyp pn4c evdt9h ΔH$_1$ in kJmol$^{-1}$?

A. +57.2kJ mol${-1}$
B. -57.2kJ mol${-1}$
C. -28.6kJ mol${-1}$
D. -123.6kJ mol${-1}$


参考答案:  B


本题详细解析:

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