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简答题 某乙烯和足量的氢气的混合气体的总压为6 930 Pa,在铂催化剂催化下发生如下反应: C2H4 (g)+H2(g)=C2H6(g) 反应结束时温度降至原温度后测得总压为4 530 Pa.求原混合气体中乙烯的摩尔分数
学科：默认课程
时间：2025-11-26 08:53:26
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题目1简答题
在25 ℃时将相同压力的5.0 L氮气和15 L氧气压缩到一个10.0 L的真空容器中,测得混合气体的总压为150 kPa,⑴ 求两种气体的初始压力;⑵ 求混合气体中氮和氧的分压;⑶ 将温度上升到210 ℃容器的总压题目2简答题
某乙烯和足量的氢气的混合气体的总压为6 930 Pa,在铂催化剂催化下发生如下反应: C2H4 (g)+H2(g)=C2H6(g) 反应结束时温度降至原温度后测得总压为4 530 Pa.求原混合气体中乙烯的摩尔分数题目3单选题
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题目4单选题
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题目5单选题
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题目6单选题
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题目7单选题
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题目8单选题
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题目9单选题
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题目10单选题
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