化学中常用图像直观地描述化学反应的进程或结果。下列对图像描述正确的是(　　)_刷题宝

题干

化学中常用图像直观地描述化学反应的进程或结果。下列对图像描述正确的是(　　)

A：根据图①可判断可逆反应A₂(g)+3B₂(g)2AB₃(g)的ΔH＞0

B：图②表示体积相等、pH=1的醋酸溶液与盐酸加入等量水稀释时的pH变化

C：图③可表示乙酸溶液中通入氨气至过量过程中溶液导电性的变化

D：图④可表示压强对可逆反应2A(g)+2B(g)3C(g)+D(s)的影响，乙的压强大

上一题下一题 0.0难度选择题更新时间:2019-03-21 05:10:17

答案(点此获取答案解析）

B

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Look! The girl is Jenny. The boy is her brother .1parents are teachers. Jenny and her brother are at No. 2 Middle School.

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They have Chinese, English, geography, history and other lessons. Jenny's favorite8 is music,9it's relaxing. Her brother likes science. He thinks it is10but interesting. Their parents like to go to the store. They like to buy food and clothes for them. Jenny and her brother love their parents very much.

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依次填入下面横线处的词语，恰当的一组是（）

生命的季节，亦如四季的更替，有春的烂漫，有夏的_______，有秋的_______，也有冬的_______。此乃亘古不变的自然规律。

同类题5

该图是夏秋之交杭州三天气压变化示意图，完成问题。

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