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【简答题】
（6分）在一定温度下的某容积可变的密闭容器中，建立下列化学平衡： C（s）＋H 2 O（g） CO（g）＋H 2 （g） 试分析和回答下列问题： （1）可认定上述可逆反应在一定条件下已达到化学平衡状态的是 （选填序号）。 A 体系 的压强不再发生变化 B  v 正 （CO）＝v 逆 （H 2 O） C 生成n molCO的同时生成n mol H 2 D  1mol H－H键断裂的同时断裂2mol H－O键 （2）若上述化学平衡状态从 正反应开始建立，达到平衡后，给平衡体系加压（缩小容积．其它条件不变。下同），则容器内气体的平均相对分子质量面将 （填写不变．变小．变大）。 （3）若上述化学平衡状态从正．逆两反应同时建立[即起始时同时投放C（s）．H 2 O（g）．CO（g）．H 2 （g）]，达到平衡后，试讨论： ①容积内气体混合物的平均相对分子质量 的取值范围是 。 ②若给平衡体系加压，请参照起始投放的气体物质的平均相对分子质量（设定为 1 ），分别给出 的变化：（填“增大”．“减小”．“不变”） 1 的取值 的变化 1 ＜12 1 ＝12 不变 1 ＞12
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参考答案：
举一反三
【单选题】组成药物中不含有当归的方剂是
A.
消风散
B.
泻白散
C.
一贯煎
D.
清胃散
E.
黄龙汤
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【单选题】–Does he know how to work out the problem ? -Yes , he has ________ a good idea to solve it .
A.
come up with
B.
kept up with
C.
caught up with
D.
put up with
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【单选题】系统有某类资源5个,供3个进程共享,每个进程最多申请多少个该类资源时系统仍然是安全的?
A.
2
B.
1
C.
5
D.
3
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【简答题】回答下列句子都属于哪种类型(陈述句,疑问句,祈使句,感叹句) Jane told us that she couldn't come to the party.
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【单选题】判断句子类型:Jane told us that she couldn’t come to the party.
A.
declarative
B.
interrogative
C.
imperative
D.
exclamatory
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【单选题】—Does he know how to work out the problem?---Yes, he has ___ a good idea to solve it.     ----Yes, he has ___ a good idea to solve it.
A.
caught up with
B.
kept up with
C.
come up with
D.
put up with
查看完整题目与答案
【单选题】He does not know how to _____ networks.
A.
set up
B.
industry
C.
good
D.
become
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【单选题】—Does he know how to work out the problem ? —Yes , he has a good idea to solve it .
A.
caught up with
B.
kept up with
C.
come up with
D.
put up with
查看完整题目与答案
【单选题】A．He has not played tennis in a while.B．He does not know how to play tennis.###SX
A.
He has not played tennis in a while.
B.
He does not know how to play tennis.
C.
His tennis racket is broken.
D.
He needs to rest before he plays.
查看完整题目与答案
【简答题】A．He has not played tennis in a while. B．He does not know how to play tennis. C．His tennis racket is broken. D．He needs to rest before he plays.
查看完整题目与答案
相关题目：
【单选题】组成药物中不含有当归的方剂是
A.
消风散
B.
泻白散
C.
一贯煎
D.
清胃散
E.
黄龙汤
查看完整题目与答案
【单选题】–Does he know how to work out the problem ? -Yes , he has ________ a good idea to solve it .
A.
come up with
B.
kept up with
C.
caught up with
D.
put up with
查看完整题目与答案
【单选题】系统有某类资源5个,供3个进程共享,每个进程最多申请多少个该类资源时系统仍然是安全的?
A.
2
B.
1
C.
5
D.
3
查看完整题目与答案
【简答题】回答下列句子都属于哪种类型(陈述句,疑问句,祈使句,感叹句) Jane told us that she couldn't come to the party.
查看完整题目与答案
【单选题】判断句子类型:Jane told us that she couldn’t come to the party.
A.
declarative
B.
interrogative
C.
imperative
D.
exclamatory
查看完整题目与答案
【单选题】—Does he know how to work out the problem?---Yes, he has ___ a good idea to solve it.     ----Yes, he has ___ a good idea to solve it.
A.
caught up with
B.
kept up with
C.
come up with
D.
put up with
查看完整题目与答案
【单选题】He does not know how to _____ networks.
A.
set up
B.
industry
C.
good
D.
become
查看完整题目与答案
【单选题】—Does he know how to work out the problem ? —Yes , he has a good idea to solve it .
A.
caught up with
B.
kept up with
C.
come up with
D.
put up with
查看完整题目与答案
【单选题】A．He has not played tennis in a while.B．He does not know how to play tennis.###SX
A.
He has not played tennis in a while.
B.
He does not know how to play tennis.
C.
His tennis racket is broken.
D.
He needs to rest before he plays.
查看完整题目与答案
【简答题】A．He has not played tennis in a while. B．He does not know how to play tennis. C．His tennis racket is broken. D．He needs to rest before he plays.
查看完整题目与答案
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