2022-2022英语周报九上答案

28.(1)-746.5kJ·mol-1(2分)(2)①1050K前反应未达到平衡状态,随着温度升高反应速率加快,NO转化率增大:20%②4(各2分)(3)I.2NO(g)=N2O2(g)△H=-(E2-E1)kJ·mo-1(2分)Ⅱ.反应②(1分);决定总反应速率的是反应②,升高温度后,反应①平衡逆向移动使NO浓度减小,温度升高对于反应②的影响弱于N2O2浓度减小的影响,N2O2浓度减小使反应②速率变慢(2分)Ⅲ.k1k3/k2(2分)

第二节One possible versionDear Mr. TomIm writing to invite you to be present at the recitationcontest organized by the reading club at 3: 00 next Wednes-day afternoon in the lecture hall. If available then. couldyou do us a favor? And we would appreciate having you as ajudge. By the way, it would be very nice if you can recommend some classic English literary works suitable for usstudentsanks for considering our requestIm looking forward to your reply at your earliest con-venience lYours sincerelyLi Hua

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