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 equation for th (lg4dsb.dt4n /mm;xvyg,0u r :s q, qge dia (7r ;whigl0sy kz x+idb6u .)kgram 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 more than one rouii02p e85tzryy,(wl 7 wyh cb8te. Regardless of the route by which a chemical reaction proceeds, the enthalpy change will always be ther yip wlity(80h7 z8w2,ycb5e same provided that the initial and final states of the system are identical.
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