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（1）已知：①Mg(s)+Cl 2 (g)=MgCl 2 (s)        △Ｈ=－641kJ·mol －1 。 ②1/2Ti(s)+ Cl 2 (g) =1/2TiCl 4 (1) 　　 △Ｈ=－385 kJ·mol －1 。 则2Mg(s)＋TiCl 4 (1)＝2MgCl 2 (s)＋Ti(s)的反应热为△Ｈ= 。 （2）已知甲醇（CH 3 OH）在常温下为液体，其热值为22.7kJ?g -1 ，则甲醇的标准燃烧热的热化学方程式为_______ _____ __ 。 （3）将甲醇、氧气和氢氧化钾溶液设计成燃料电池，该电池 正极反应式为__________________ ______________。 （4）右图为工业上氯碱工业的电解槽示意图，据图回答： ①该电解槽中发生反应的总离子反应方程式为 ②若没有阳离子交换膜，则电解一段时间后在电解槽的溶液中可能发生的化学反应方程式为______ ____________________。
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相关题目：
【单选题】The structure of an essay includes four parts: title, opening paragraph, body and conclusion. Your title should reflect the thesis or central argument of your essay. Avoid repeating the topic as assig...
A.
orienting your reader
B.
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A.
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B.
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B.
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查看完整题目与答案
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D.
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A.
Examine whether these children were healthy.
B.
Find out whether their mothers had smoked.
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D.
Look into the effect that mother's smoking had on their children.
查看完整题目与答案
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A.
100~200nm
B.
390~490nm
C.
290~390nm
D.
200~300nm
E.
190~290nm
查看完整题目与答案