What Drives Chemical Reactions D.2 Energy Cycles in Reactions (id: a778f7d31)

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]
Choose the correct e,s:80wbrsgft9 -g3 cacmae( 8rv/act quaigr0rec v4nx26sv 5g-rxo k x+y( *)qjtion for the diagram below:

A. ΔH$_2$=ΔH$_1$+ΔH$_3$
B. ΔH$_3$=ΔH$_1$+ΔH$_2$
C. ΔH$_3$=-ΔH$_1$-ΔH$_2$
D. ΔH$_1$=ΔH$_2$+ΔH$_3$


参考答案:  D


本题详细解析:
Many products can be made from the same reactants by0j3j p-nm tak( more than one route. Regardless of the route by which a chemical reaction proceeds, the enthalpy change will always be the samn30m-jjkt( a pe provided that the initial and final states of the system are identical.

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