配套习题- 化学反应速率的含义 -【青果学院】

1/5单选题

难度：

1.反应2SO₂+O₂⇌2SO₃，经一段时间后SO₃的浓度增加了0.4mol·L^-1，在这段时间内用O₂表示的反应速率为0.4mol·L^-1·s^-1，则这段时间为

A	0.1s
B	2.5s
C	0.5s
D	10s

正确答案：Qw==

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

2/5单选题

难度：

2.下列关于化学反应速率和反应限度的说法正确的是

A	化学反应速率通常只能用反应物浓度的减少量表示
B	影响化学反应速率的条件并不只是温度和催化剂
C	化学平衡状态指的是反应物和生成物浓度相等时的状态
D	反应限度是一种平衡状态，此时反应已经停止

正确答案：Qg==

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

3/5单选题

难度：

3.化学反应速率是指

A	单位时间内反应物浓度的增加
B	单位时间内反应物浓度的减少或生成物浓度的增加
C	单位时间内反应物物质的量的减少
D	单位时间内生成物质量的增加

正确答案：Qg==

5YyW5a2m5Y+N5bqU6YCf546H5bi455So5Y2V5L2N5pe26Ze05YaF5Lu75L2V5LiA56eN5Y+N5bqU54mp54mp6LSo55qE6YeP5rWT5bqm55qE5YeP5bCP5oiW55Sf5oiQ54mp54mp6LSo55qE6YeP5rWT5bqm55qE5aKe5Yqg5p2l6KGo56S677yMPGk+djwvaT49PGltZyB3aWR0aD0yNyBoZWlnaHQ9NDQgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9ENS9FQi9yQkFDRkZUNVhCN2lDOGJsQUFBQnR3RHF5T2szMjEucG5nIj7vvIzmlYVC5q2j56Gu77yb

4/5单选题

难度：

4.下列关于化学反应速率的说法错误的是

A	化学反应速率是指单位时间内反应物浓度的减少或生成物浓度的增加
B	化学反应速率为0.8mol/（L. s）是指1s时某物质的浓度为0.8mol/L
C	根据化学反应速率的大小可以知道化学反应速率的快慢
D	对于化学反应来说，反应速率越大，反应现象不一定越明显

正确答案：Qg==

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

5/5单选题

难度：

5.实验室用纯净的锌粒与稀盐酸反应制取H₂，实验过程如图所示. 其中收集氢气最多的是

A	OE段
B	EF段
C	FG段
D	无法判断

正确答案：Qg==

5qC55o2u5ZCE5q615a+55bqU57q15Z2Q5qCH55qE6auY5L2O5Yik5pat5pS26ZuG5rCU5L2T55qE5aSa5bCR77yM55Sx5Zu+5Y+v55+lRUbmrrXlr7nlupTnmoTnurXlnZDmoIfplb/luqbmnIDplb/vvIzooajnpLrmlLbpm4bmsKLmsJTnmoTkvZPnp6/mnIDlpKfvvIw=