配套习题- 速率-时间图像 -【青果学院】

1/5单选题

难度：

1.如图是可逆反应X₂+3Y₂⇌2Z₂在反应过程中的反应速率（v）与时间（t）的关系曲线，下列叙述正确的是

A	t₁时，只有正方向反应
B	t₂时，X₂、Y₂、Z₂的物质的量相等
C	t₂-t₃，反应不再发生
D	t₂-t₃，各物质的浓度不再发生变化

正确答案：RA==

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

2/5单选题

难度：

2.向绝热恒容密闭容器中通入SO₂和NO₂，一定条件下使反应SO₂（g）+NO₂（g）

SO₃（g）+NO（g）达到平衡，正反应速率随时间变化的示意图如右所示．由图可得出的正确结论是

A	反应在c点达到平衡状态
B	反应物浓度：a点小于b点
C	反应物的总能量低于生成物的总能量
D	△t₁=△t₂时，SO₂的转化率：a～b段小于b～c段

正确答案：RA==

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

3/5单选题

难度：

3.往一体积不变的密闭容器中充入H₂和I₂，发生反应H₂(g)＋I₂(g)

2HI(g)　ΔH<0，当达到平衡后，t₀时若保持混合气体总物质的量不变，使容器内压强增大(如下图所示)，下列说法正确的是

A	容器内气体颜色变深，平均相对分子质量不变
B	平衡不移动，混合气体密度增大
C	H₂转化率增大，HI平衡浓度减小
D	t₀时减小体积或升高体系温度

正确答案：QQ==

5p2h5Lu25pS55Y+Y5ZCO5q2j44CB6YCG5Y+N5bqU6YCf546H5Z2H5aKe5aSn77yM5L2G5piv6YCG5Y+N5bqU6YCf546H5aSn5LqO5q2j5Y+N5bqU6YCf546H77yM5pS55Y+Y55qE5p2h5Lu25Li65Y2H6auY5rip5bqm77yM5Y+N5bqU6YCG5ZCR56e75Yqo77yMQeato+ehru+8jELjgIFD44CBROmUmeivr+OAgg==

4/5单选题

难度：

4.在一定温度下，容器内某一反应中M、N的物质的量随反应时间变化的曲线如图，下列表述中正确的是

A	反应的化学方程式为：2MN
B	t₂时，正逆反应速率相等，达到平衡
C	t₃时，正反应速率大于逆反应速率
D	t₁时，N的浓度是M浓度的2倍

正确答案：RA==

QeOAgeeUseWbvuixoeWPr+efpe+8jOWPjeW6lOS4rU3nmoTnianotKjnmoTph4/pgJDmuJDlop7lpJrvvIxO55qE54mp6LSo55qE6YeP6YCQ5riQ5YeP5bCR77yM5YiZ5Zyo5Y+N5bqU5LitTuS4uuWPjeW6lOeJqe+8jE3kuLrnlJ/miJDnianvvIzlm77osaHkuK3vvIzlnKjnm7jnrYnnmoTml7bpl7TlhoXmtojogJfnmoRO5ZKMTeeahOeJqei0qOeahOS5i+avlOS4ujLvvJox77yM5omA5Lul5Y+N5bqU5pa556iL5byP5bqU5Li677yaMk48aW1nIHdpZHRoPTM2IGhlaWdodD0xMCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZBL0YyL3JCQUNGRlZCeF9xQThVWjhBQUFBMTN0eDBUNDYyMS5wbmciID5N77yM5pWFQemUmeivr++8mzxicj5C44CB55Sx5Zu+5Y+v55+ldDxzdWI+Mjwvc3ViPuaXtu+8jOWPjeW6lOayoeaciei+vuWIsOW5s+ihoe+8jOatpOaXtuWPjeW6lOe7p+e7reWQkeato+aWueWQkeenu+WKqO+8jOato+WPjeW6lOmAn+eOh+Wkp+S6jumAhuWPjeW6lOmAn+eOh++8jOaVhULplJnor6/vvJs8YnI+Q+OAgeeUseWbvuWPr+efpXQ8c3ViPjM8L3N1Yj7ml7bvvIzlj43lupTovr7liLDlubPooaHvvIzmraPpgIblj43lupTpgJ/njofnm7jnrYnvvIzmlYVD6ZSZ6K+v77ybPGJyPkTjgIF0PHN1Yj4xPC9zdWI+5pe277yMTueahOeJqei0qOeahOmHj+S4ujZtb2zvvI5N55qE54mp6LSo55qE6YeP5Li6M21vbO+8jOaVhU7nmoTmtZPluqbmmK9N5rWT5bqm55qEMuWAje+8jOaVhUTmraPnoa7vvI48YnI+5pWF6YCJRO+8jg==

5/5单选题

难度：

5.在密闭容器中，反应X₂(g)＋Y₂(g)

2XY(g)　ΔH＜0达到甲平衡。在仅改变某一条件后，达到乙平衡，对此过程的分析正确的是

A	图Ⅰ是加入适当催化剂的变化情况
B	图Ⅱ是扩大容器体积的变化情况$分割$图C. 图Ⅲ是增大压强的变化情况
C	D. 图Ⅲ是升高温度的变化情况

正确答案：

5qC55o2u6K+l5Y+N5bqU55qE54m554K577yM57uT5ZCI5Zu+6LGh5b6X5Ye677yMPGJyPuKFoOeUseS6jjxpPnY8L2k+PHN1Yj7mraM8L3N1Yj7jgIE8aT52PC9pPjxzdWI+6YCGPC9zdWI+5Z2H5aKe5aSn77yM5LiU5pyJ5LiA5q616Led56a777yM6K+05piO5Li65aKe5aSn5Y6L5by65omA6Ie077ybPGJyPuKFoeS4uuWKoOWFpeS6humAguW9k+eahOWCrOWMluWJgueahOWPmOWMluaDheWGte+8jEHjgIFC6ZSZ77yb4oWi5Li65Y2H6auY5rip5bqm77yM5Y+N5bqU6YCf546H5Yqg5b+r77yM5YWI6L6+5Yiw5bmz6KGh77yM5bm25LiUWFkl5Y+Y5bCP77yM56ym5ZCI6aKY5oSP77yMROato+ehru+8jEPplJnor6/jgII=