本题目来源于试卷: What Drives Chemical Reactions D.1 Measuring Enthalpy Changes,类别为 IB化学
[单选题]
If a reaction is endothe yqt.c 7wr.r1frmzw:l0ks. t 6,xrr e*xaic:
A. ΔH is negative and heat is absorbed
B. ΔH is positive and heat is absorbed
C. ΔH is positive and heat is emitted
D. ΔH is negative and heat is emitted
参考答案: B
本题详细解析:
If a chemical reaction leads to an increase in enthalpy, the heat 04/da*i9p) gjt xnbui energy is absorbed from the surroundin)g4i0bnp aiut /*d 9jxgs.
|