2022英语周报高一新课答案

6.(1)放热;+85;C2H3*+H=C2H(各1分)(2)阳;2CO+10eC2H2+4H2O(各1分)(3)①10;2.56(各1分)②1.08×104(2分)③>(1分);随温度升高,产物摩尔流量和反应的平衡转化率均增大,平衡向正反应方向移动,正反应为吸热反应(2分)解析:(2)电解废水时,阳极:2H2O-4e=O)↑+4H,生成的和废水中的H向阴极移动,故用阳离子交换膜,CO2在阴极得到e结合H生成一系列燃料,故阴极生成乙炔的电极反应式为2CO2+10e①在一刚性密闭容器中,CH4和CO2的分压分别为20kPa、30kPa,加人Ni/a-Al2O3催化剂并加热至23K使其发生反应,某时刻测得p(H2)=20CH(g)tco,(g)=2Co(g)+2H,(g)起始量(kPa)20变化最(kPa某时刻(kP则p(C0 kPa, UCO28×102·p(CH4)·p(CO2)(mol·g28×10-2×10②CH4(g)+CO(g)2CO(g)十2H2(g),达到平衡后测得体系压强是起始时的1.6倍,设达到平衡状态消耗甲烷分压为xCH(g)+CO2(g)=2Co(g)+2H2(g)起始量(kPa)20变化量(kPa)x某时刻(kPa)20-xx+2x=(20+30)×1.6反应的平衡常数为Kp02(kPa)5×15

第一节Dear Mr GeorgeI am Li Hua, a volunteer of the activity"Englishi Communication to the Mountains". Now, I'm writing toexpress my sincere apology to you for not being present atthe activity to be held next Monday.The reason for my absence is that I suddenly fell illMy parents sent me to hospital, and I have to stay therefor a week. As for my volunteer work, I have asked myclassmate Tom to do it.Sincerely hoping that you can accept my apologiesYours.Li Hua

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