中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyo5Y+v6YCG5Y+N5bqU5Lit77yM5peg6K666K+l5Y+N5bqU5piv5ZCm6L6+5Yiw5bmz6KGh54q25oCB77yM5q2j6YCG5Y+N5bqU5ZCM5pe26L+b6KGM44CC5q2k5pe25q2j6YCG5Y+N5bqU6YCf546H55u4562J77yM5L2G5LiN562J5LqOMC4=
- 提示2：dDxzdWI+Mjwvc3ViPuaXtu+8jFg8c3ViPjI8L3N1Yj7jgIFZPHN1Yj4yPC9zdWI+44CBWjxzdWI+Mjwvc3ViPueahOeJqei0qOeahOmHj+S4juWIneWni+a1k+W6puWNs+i9rOWMlueOh+acieWFsw==
- 答案：RA==
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
本课配套习题挑战模式2/5
单选题
难度系数：
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
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5YyW5a2m5Y+N5bqU6L6+5Yiw5bmz6KGh5pe277yM5q2j6YCG5Y+N5bqU6YCf546H55u4562J77yM5LiN5YaN5pS55Y+Y44CC
- 提示2：YeWIsGLml7bmraPlj43lupTpgJ/njoflop7liqDvvIzlj43lupTnianmtZPluqbpmo/ml7bpl7TkuI3mlq3lh4/lsI8=
- 提示3：5LuOYeWIsGPmraPlj43lupTpgJ/njoflop7lpKfvvIzkuYvlkI7mraPlj43lupTpgJ/njoflh4/lsI/vvIzor7TmmI7lj43lupTliJrlvIDlp4vml7bmuKnluqbljYfpq5jlr7nmraPlj43lupTpgJ/njofnmoTlvbHlk43lpKfkuo7mtZPluqblh4/lsI/lr7nmraPlj43lupTpgJ/njofnmoTlvbHlk43vvIzor6Xlj43lupTkuLrmlL7ng63lj43lupTvvIzljbPlj43lupTniannmoTmgLvog73ph4/pq5jkuo7nlJ/miJDniannmoTmgLvog73ph48=
- 提示4：6ZqP552A5Y+N5bqU55qE6L+b6KGM77yM5q2j5Y+N5bqU6YCf546H6LaK5b+r77yM5raI6ICX55qE5LqM5rCn5YyW56Gr5bCx6LaKU088c3ViPjI8L3N1Yj7nmoTovazljJbnjoflsIbpgJDmuJDlop7lpKc=
- 答案：RA==
QeOAgeWMluWtpuW5s+ihoeeKtuaAgeeahOagh+W/l+aYr+WQhOeJqei0qOeahOa1k+W6puS4jeWGjeaUueWPmO+8jOWFtuWunui0qOaYr+ato+WPjeW6lOmAn+eOh+etieS6jumAhuWPjeW6lOmAn+eOh++8jGPngrnlr7nlupTnmoTmraPlj43lupTpgJ/njofmmL7nhLbov5jlnKjmlLnlj5jvvIzmlYXkuIDlrprmnKrovr7lubPooaHvvIxB6ZSZ77ybPGJyPkLjgIFh5YiwYuaXtuato+WPjeW6lOmAn+eOh+WinuWKoO+8jOWPjeW6lOeJqea1k+W6pumaj+aXtumXtOS4jeaWreWHj+Wwj++8jELplJnvvJs8YnI+Q+OAgeS7jmHliLBj5q2j5Y+N5bqU6YCf546H5aKe5aSn77yM5LmL5ZCO5q2j5Y+N5bqU6YCf546H5YeP5bCP77yM6K+05piO5Y+N5bqU5Yia5byA5aeL5pe25rip5bqm5Y2H6auY5a+55q2j5Y+N5bqU6YCf546H55qE5b2x5ZON5aSn5LqO5rWT5bqm5YeP5bCP5a+55q2j5Y+N5bqU6YCf546H55qE5b2x5ZON77yM6K+l5Y+N5bqU5Li65pS+54Ot5Y+N5bqU77yM5Y2z5Y+N5bqU54mp55qE5oC76IO96YeP6auY5LqO55Sf5oiQ54mp55qE5oC76IO96YeP77yMQ+mUme+8mzxicj5E44CB6ZqP552A5Y+N5bqU55qE6L+b6KGM77yM5q2j5Y+N5bqU6YCf546H6LaK5b+r77yM5raI6ICX55qE5LqM5rCn5YyW56Gr5bCx6LaKU088c3ViPjI8L3N1Yj7nmoTovazljJbnjoflsIbpgJDmuJDlop7lpKfvvIxE5q2j56Gu77ybPGJyPuaVhemAie+8mkTvvI4=
本课配套习题挑战模式3/5
单选题
难度系数：
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
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Y6L5by65aKe5aSn77yM5q2j44CB6YCG5YyW5a2m5Y+N5bqU6YCf546H5b+F54S25aKe5aSn44CC
- 提示2：54mp6LSo55qE6YeP5LiN5Y+Y6ICM5Y6L5by65aKe5aSn77yM6L+Z5piv6YCa6L+H57yp5bCP5a6556ev5p2l5a6e546w55qE44CC5pW05Liq5L2T57O75Lit5omA5pyJ54mp6LSo55qE5rWT5bqm6YO95bCG5aKe5aSn44CC
- 提示3：6K+l5Y+N5bqU5YmN5ZCO5YiG5a2Q55qE5Liq5pWw5rKh5pyJ5Y+R55Sf5Y+Y5YyW77yM5bmz6KGh5LiN56e75Yqo44CC
- 答案：QQ==
5p2h5Lu25pS55Y+Y5ZCO5q2j44CB6YCG5Y+N5bqU6YCf546H5Z2H5aKe5aSn77yM5L2G5piv6YCG5Y+N5bqU6YCf546H5aSn5LqO5q2j5Y+N5bqU6YCf546H77yM5pS55Y+Y55qE5p2h5Lu25Li65Y2H6auY5rip5bqm77yM5Y+N5bqU6YCG5ZCR56e75Yqo77yMQeato+ehru+8jELjgIFD44CBROmUmeivr+OAgg==
本课配套习题挑战模式4/5
单选题
难度系数：
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2uTeWSjE7lj43lupTlkoznlJ/miJDnmoTmr5TkvovmnaXliKTmlq3lj43lupTmlrnnqIvlvI/vvJs=
- 提示2：6K+l5puy57q/55qE5pac546H5Luj6KGo5Y+N5bqU6YCf546H
- 答案：RA==
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
本课配套习题挑战模式5/5
单选题
难度系数：
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
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zu+4oWg5pS55Y+Y5p2h5Lu25ZCO5bmz6KGh5q2j5ZCR56e75Yqo77yM6ICM5Zu+4oWh5pS55Y+Y5p2h5Lu25ZCO5bmz6KGh5bm25pyq5Y+R55Sf56e75Yqo44CC
- 提示2：5Zu+4oWi5Lit55qE55Sy44CB5LmZ5Luj6KGo5Lik56eN5LiN5ZCM55qE5p2h5Lu277yM6KaB5LmI5piv5rip5bqm77yM6KaB5LmI5piv5Y6L5by644CC5q2k57G75Zu+5YOP5YWI5YiG5p6Q5pac546H77yM5q+U6L6D5Ye65Lik56eN5p2h5Lu255qE5pS55Y+Y77yM54S25ZCO5YiG5p6Q5bmz5Y+w55qE6auY5L2O44CC
- 提示3：5Y6L5by65a+55LqO5YyW5a2m5bmz6KGh55qE5b2x5ZON5LiO5YyW5a2m5Y+N5bqU5YmN5ZCO55qE5YiG5a2Q5Liq5pWw5Y+Y5YyW5piv55u45YWz55qE44CC6ICM5rip5bqm5a+55LqO5YyW5a2m5bmz6KGh55qE5b2x5ZON5LiO5Y+N5bqU55qE54Ot5pWI5bqU5pyJ5YWz44CC
- 答案：
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