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.可逆反应2SO2+O2
2SO3在密闭容器中达到了平衡，下列说法正确的是
2SO3在密闭容器中达到了平衡，下列说法正确的是 | A: SO2和O2不再化合，反应停止了 |
| B: 容器内压强保持不变 |
| C: SO2、O2和SO3的浓度相等 |
| D: SO2、O2和SO3的物质的量之比为2：1：2 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOW9k+ato+mAhuWPjeW6lOmAn+eOh+ebuOetieaXtu+8jOWPjeW6lOi+vuWIsOWKqOaAgeW5s+ihoQ==
- 提示2：IOi+vuW5s+ihoeWQju+8jOWPjeW6lOi/h+eoi+S4reeahOWPmOmHj+S4jeWGjeaUueWPmOOAgg==
- 提示3：IOi+vuW5s+ihoeaXtuWPquiDveavlOi+g+WPjeW6lOS4reWQhOeJqei0qOeahOWPmOWMlumHj+eahOavlOS+i++8jOS4jeiDveavlOi+g+WQhOeJqei0qOmHj+eahOavlOS+i+OAgg==
- 答案：Qg==
QeOAgeWMluWtpuW5s+ihoeaYr+WKqOaAgeW5s+ihoe+8jOW9k+WPjeW6lOi+vuWIsOW5s+ihoeeKtuaAgeaXtu+8jOato+mAhuWPjeW6lOmAn+eOh+ebuOetie+8jOS9huS4jeS4ujDvvIzmlYVB6ZSZ6K+v77ybPGJyPkLjgIHpmo/nnYDlj43lupTnmoTov5vooYzkvZPns7vljovlvLrpgJDmuJDlh4/lsI/vvIzlrrnlmajlhoXljovlvLrkv53mjIHkuI3lj5jor7TmmI7ovr7lubPooaHnirbmgIHvvIzmlYVC5q2j56Gu77ybPGJyPkPjgIHlvZPkvZPns7vovr7lubPooaHnirbmgIHml7bvvIxTTzxzdWI+Mjwvc3ViPuOAgU88c3ViPjI8L3N1Yj7lkoxTTzxzdWI+Mzwvc3ViPueahOa1k+W6puWPr+iDveebuOetie+8jOS5n+WPr+iDveS4jeetie+8jOS4juWQhOeJqei0qOeahOWIneWni+a1k+W6puWPiui9rOWMlueOh+acieWFs++8jOaVhUPplJnor6/vvJs8YnI+ROOAgeW9k+S9k+ezu+i+vuW5s+ihoeeKtuaAgeaXtu+8jFNPPHN1Yj4yPC9zdWI+44CBTzxzdWI+Mjwvc3ViPuWSjFNPPHN1Yj4zPC9zdWI+55qE54mp6LSo55qE6YeP5LmL5q+U5Y+v6IO95Li6Mu+8mjHvvJoy77yM5Lmf5Y+v6IO95LiN5pivMu+8mjHvvJoy77yM5LiO5ZCE54mp6LSo55qE5Yid5aeL5rWT5bqm5Y+K6L2s5YyW546H5pyJ5YWz77yM5pWFROmUmeivr++8mzxicj7mlYXpgIlCLiA=
本课配套习题挑战模式2/5
单选题
难度系数：
2.对于可逆反应，下列说法正确的是
| A: 进行的时间越长，化学反应限度越大 |
| B: 达到平衡状态时，反应物已经完全转化 |
| C: 达到平衡状态时，正反应速率等于逆反应速率且不为零 |
| D: 达到平衡状态时，即使改变条件，反应状态也不会改变 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWPr+mAhuWPjeW6lOi+vuWIsOW5s+ihoeeKtuaAgeaXtu+8jOWPjeW6lOmZkOW6puWIsOi+vuafkOS4gOWumuWAvO+8jOS4jeWGjeWPkeeUn+aUueWPmOOAgg==
- 提示2：IOatpOaXtuato+mAhuWPjeW6lOmAn+eOh+ebuOetie+8jOaYr+S4gOS4quWKqOaAgeW5s+ihoei/h+eoi+OAgg==
- 提示3：IOi+vuWIsOW5s+ihoeWQju+8jOaUueWPmOWPjeW6lOadoeS7tu+8jOWPr+iDveS9v+W5s+ihoei/m+ihjOenu+WKqO+8jOWPjeW6lOeKtuaAgeS8mumaj+S5i+WPkeeUn+aUueWPmOOAgg==
- 答案：Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.已知N2(g)＋3H2(g) 
2NH3(g)，现向一密闭容器中充入1molN2和3molH2，在高温、高压和催化剂存在条件下发生反应。下列有关说法正确的是
2NH3(g)，现向一密闭容器中充入1molN2和3molH2，在高温、高压和催化剂存在条件下发生反应。下列有关说法正确的是 | A: 最终可以生成2mol NH3 |
| B: 达到化学平衡状态时，正反应和逆反应的速率都为0 |
| C: 达到化学平衡状态时，容器中N2、H2和NH3的物质的量之比为1：3：2 |
| D: 达到化学平衡状态时，N2、H2和NH3的物质的量浓度不再变化 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWPr+mAhuWPjeW6lOS4re+8jOWPjeW6lOS4jeWPr+iDveW9u+W6lei/m+ihjOWujOWFqOOAgg==
- 提示2：IOW9k+ato+mAhuWPjeW6lOmAn+eOh+ebuOetieaXtu+8jOWPjeW6lOi+vuWIsOWKqOaAgeW5s+ihoe+8jOatpOaXtuWPjeW6lOS4reeahOWPmOmHj+S4jeWGjeaUueWPmO+8jOS9huWPjeW6lOW5tuacquWBnOatouOAgg==
- 提示3：IOi+vuW5s+ihoeaXtuWPquiDveavlOi+g+WPjeW6lOS4reWQhOeJqei0qOeahOWPmOWMlumHj+eahOavlOS+i++8jOS4jeiDveavlOi+g+WQhOeJqei0qOmHj+eahOavlOS+i+OAgg==
- 答案：RA==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.某可逆反应达到平衡状态时，下列说法正确的是:
①正反应和逆反应同时进行，两者的速率完全相等
②反应物和生成物同时存在，两者的浓度相同
③混合物的组成比例不会因时间而改变
①正反应和逆反应同时进行，两者的速率完全相等
②反应物和生成物同时存在，两者的浓度相同
③混合物的组成比例不会因时间而改变
| A: ① |
| B: ①③ |
| C: ② |
| D: ①②③ |
一次做对，真牛！
+5奖励规则>
- 提示1：IOW9k+ato+mAhuWPjeW6lOmAn+eOh+ebuOetieaXtu+8jOWPjeW6lOi+vuWIsOWKqOaAgeW5s+ihoQ==
- 提示2：IOi+vuW5s+ihoeWQju+8jOWPjeW6lOi/h+eoi+S4reeahOWPmOmHj+S4jeWGjeaUueWPmOOAgg==
- 提示3：IOi+vuW5s+ihoeaXtuWPquiDveavlOi+g+WPjeW6lOS4reWQhOeJqei0qOeahOWPmOWMlumHj+eahOavlOS+i++8jOS4jeiDveavlOi+g+WQhOeJqei0qOmHj+eahOavlOS+i+OAgg==
- 答案：Qg==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.可逆反应2A(g)＋3B(g) 3C(g)在一定条件下，使一定量的A和B反应，且达到平衡状态时，下列说法正确的是
3C(g)在一定条件下，使一定量的A和B反应，且达到平衡状态时，下列说法正确的是 | A: 平衡混合物的体积是反应刚开始时的3/5 |
| B: 平衡混合物中各物质的浓度之比为2:3:3 |
| C: 单位时间内若消耗了a mol A，同时也消耗了1.5a mol的C |
| D: 平衡混合物中各物质的浓度相等 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWPr+mAhuWPjeW6lOS4re+8jOWPjeW6lOS4jeWPr+iDveWQkeS4gOS4quaWueWQkei/m+ihjOWujOWFqOOAgg==
- 提示2：IOi+vuW5s+ihoeaXtuWPquiDveavlOi+g+WPjeW6lOS4reWQhOeJqei0qOeahOWPmOWMlumHj+eahOavlOS+i++8jOS4jeiDveavlOi+g+WQhOeJqei0qOmHj+eahOavlOS+i+OAgg==
- 提示3：IOato+mAhuWPjeW6lOmAn+eOh+ebuOetie+8jOWImeWPr+S7peehruWumuWPjeW6lOW3sue7j+i+vuWIsOW5s+ihoeeKtuaAgeOAgg==
- 答案：Qw==
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
