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]
Which of the following statements is false?was57hgt z2g46ympm 4hzm xd- wqyy)vc7owf*o-29 u0
A. Hess's law states that the total enthalpy change for a chemical reaction is independent of the route by which the reaction takes place
B. ΔH$_r^{\circ}$=∑[ΔH$_f^{\circ}$(products)]-∑[ΔH$_f^{\circ}$(reactants)]
C. The standard enthalpy of formation of $O_2$(g) is zero
D. The standard enthalpy of formation for a pure compound in its standard state is zero
参考答案: D
本题详细解析:
The standard enthalpdj; i3l j0si3 vgbpqh6s q74bd8 6ewz3y of formation of a pure element in its standard state is zero; notidi7sg34z q h38wlsv0d ejbjp6b6;3q for a compound.
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