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 equ )z8,1c8jy ;up*osgi;j*ljnumf auj)v* .fcsatio :plx6xki.z+ o/5:zv7gp ekzb n 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 by moreyc9dgkl,7o9sx- v y ;a than one route. Regardless of the route by which a chemical reaction proceeds, the enthalpy chans7,v ly9 -ok xcy9;agdge will always be the same provided that the initial and final states of the system are identical.
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