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：
1.一定条件下，下列反应中水蒸气含量随反应时间的变化趋势符合题图的是
A: CO2(g)＋2NH3(g)  CO(NH2)2(s)＋H2O(g)；ΔH<0 |
| B: CO2(g)＋H2(g) CO(g)＋H2O(g)；ΔH>0 |
| C: CH3CH2OH(g) CH2=CH2(g)＋H2O(g)；ΔH>0 |
| D: 2C6H5CH2CH3(g)＋O2(g) 2C6H5CH=CH2(g)＋2H2O(g)；ΔH<0 |
一次做对，真牛！
+5奖励规则>
- 提示1：5q2k57G75Zu+5YOP5Lit77yM55Sx5ouQ54K55YmN55qE5pac546H5aSn5bCP56Gu5a6a6YCf546H55qE5aSn5bCP77yM5bm25Yik5pat5Lik5p2h5puy57q/5omA5Luj6KGo55qE5rip5bqm5oiW5Y6L5by655qE5aSn5bCP44CC
- 提示2：5o6l5LiL5p2l5YiG5p6Q5ouQ54K55ZCO77yM5Lmf5bCx5piv5bmz5Y+w55qE6auY5L2O44CC5qC55o2u5Lik5Liq5rip5bqm5LiL5bmz6KGh55qE56e75Yqo5Y+v5Lul5Yik5pat5Y+N5bqU55qE54Ot5pWI5bqU77yM6ICM5qC55o2u5Lik5Liq5Y6L5by65LiL5bmz6KGh55qE6ICM56e75Yqo5Y+v5Lul5Yik5pat5Y+N5bqU5YmN5ZCO5rCU5L2T5YiG5a2Q5Liq5pWw55qE5Y+Y5YyW44CC
- 答案：QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.T ℃时在2 L密闭容器中使X(g)与Y(g)发生反应生成Z(g)。反应过程中X、Y、Z的浓度变化如图 (1)所示；若保持其他条件不变，温度分别为T1和T2时，Y的体积分数与时间的关系如图 (2)所示。则下列结论正确的是</br>
| A: 反应进行的前3 min内，用X表示的反应速率v(X)＝0.3 mol·(L·min)－1 |
B: 容器中发生的反应可表示为：3X(g)＋Y(g)  2Z(g) |
| C: 保持其他条件不变，升高温度，反应的化学平衡常数K减小 |
| D: 若改变反应条件，使反应进程如图 (3)所示，则改变的条件是增大压强 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyo6K6h566X5Y+N5bqU6YCf546H5pe26ZyA6KaB5rOo5oSP5Zu+5YOP5Lit6KGo56S655qE5pWw5YC85Li654mp6LSo55qE6YeP77yM5Yqh5b+F6KaB5bCG54mp6LSo55qE6YeP6L2s5YyW5Li65rWT5bqm5p2l6K6h566X44CC
- 提示2：5a+55LqO5Zu+77yIMu+8ieeahOWIhuaekOWIhuS4uuS4pOatpe+8jOaLkOeCueWJjeeahOaWnOeOh+S7o+ihqOeahOaYr+WPjeW6lOmAn+eOh++8jOiAjOaLkOeCueWQjuW5s+WPsOeahOmrmOS9juS7o+ihqOeahOaYr+WPjeW6lOeahOmZkOW6puOAgg==
- 提示3：5Zu+5LiJ5Lit6L6+5Yiw5bmz6KGh55qE5pe26Ze05Y+Y55+t77yM5L2G5bmz6KGh5bm25pyq56e75Yqo44CC
- 答案：Qg==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.25 ℃时，在含有Pb2＋、Sn2＋的某溶液中，加入过量金属锡(Sn)，发生反应：Sn(s)＋Pb2＋(aq) Sn2＋(aq)＋Pb(s)，体系中c(Pb2＋)和c(Sn2＋)变化关系如图所示。下列判断正确的是
Sn2＋(aq)＋Pb(s)，体系中c(Pb2＋)和c(Sn2＋)变化关系如图所示。下列判断正确的是 | A: 往平衡体系中加入金属铅后，c(Pb2＋)增大 |
| B: 往平衡体系中加入少量Sn(NO3)2固体后，c(Pb2＋)变小 |
| C: 升高温度，平衡体系中c(Pb2＋)增大，说明该反应ΔH>0 |
| D: 25 ℃时，该反应的平衡常数K＝2.2 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Yqg5YWl5Zu65L2T5oiW57qv5ray5L2T55qE5Y+N5bqU54mp5a+55LqO5YyW5a2m5Y+N5bqU6YCf546H5piv5rKh5pyJ5b2x5ZON55qE44CC
- 提示2：5Zyo5Yik5pat5YyW5a2m5bmz6KGh55qE56e75Yqo5pe277yM5Y+q6ZyA6KaB5o6M5o+h5YuS5aSP54m55YiX5Y6f55CG77ya5bmz6KGh5ZCR552A5YmK5byx6L+Z5LiA5pS55Y+Y55qE5pa55ZCR56e75Yqo44CC
- 提示3：5YyW5a2m5bmz6KGh5bi45pWw5Y+v5Lul55Sx5bmz6KGh5pe25ZCE54mp6LSo55qE5rWT5bqm5rGC5Ye644CC
- 答案：RA==
55Sx5LqO5Yqg5YWl55qE5Zu65L2TUGLvvIzlr7nlj43lupTnianlkoznlJ/miJDniannmoTmtZPluqbpg73kuI3kvJrkuqfnlJ/lvbHlk43vvIzlubPooaHkuI3kvJrlj5HnlJ/np7vliqjvvIzmlYVB6aG56ZSZ6K+v77ybPGJyPuWKoOWFpVNuKE5PPHN1Yj4zPC9zdWI+KTxzdWI+Mjwvc3ViPuWQjlNuPHN1cD4yPC9zdXA+PHN1cD7vvIs8L3N1cD7mtZPluqblop7lpKfvvIzlubPooaHlkJHlt6bnp7vliqjvvIw8aT5jPC9pPihQYjxzdXA+Mjwvc3VwPjxzdXA+77yLPC9zdXA+KeW6lOWinuWkp++8jOaVhULpobnplJnor6/jgII8YnI+5Y2H6auY5rip5bqm77yM5bmz6KGh5L2T57O75LitPGk+YzwvaT4oUGI8c3VwPjI8L3N1cD48c3VwPu+8izwvc3VwPinlop7lpKfor7TmmI7lubPooaHpgIblkJHnp7vliqjvvIzljbPpgIblkJHkuLrlkLjng63mlrnlkJHjgIHmraPlkJHkuLrmlL7ng63mlrnlkJHvvIzor6Xlj43lupTOlDxpPkg8L2k+Jmx0OzDvvIzmlYVD6aG56ZSZ6K+v77ybPGJyPuS+neaNruW5s+ihoeW4uOaVsOiuoeeul+WFrOW8jzxpPks8L2k+77ydPGltZyB3aWR0aD02OSBoZWlnaHQ9NjMgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GQS9GMi9yQkFDRkZWQnlDNndRQ19rQUFBQ21uLWlhcDA3MDgucG5nIj7lj6/msYLlvpfvvIzmraTmnaHku7bkuIvor6Xlj43lupTlubPooaHluLjmlbDkuLoyLjLvvIzmlYVE6aG55q2j56Gu44CC
本课配套习题挑战模式4/5
单选题
难度系数：
4.已知反应：2CH3COCH3(l) CH3COCH2COH(CH3)2(l)。取等量CH3COCH3，分别在0 ℃和20 ℃下，测得其转化分数随时间变化的关系曲线(Y－t)如图所示。下列说法正确的是
CH3COCH2COH(CH3)2(l)。取等量CH3COCH3，分别在0 ℃和20 ℃下，测得其转化分数随时间变化的关系曲线(Y－t)如图所示。下列说法正确的是 | A: b代表0 ℃下CH3COCH3的Y－t曲线 |
B: 反应进行到20 min末，CH3COCH3的 >1 |
| C: 升高温度可缩短反应达平衡的时间并能提高平衡转化率 |
D: 从Y＝0到Y＝0.113，CH3COCH2COH(CH3)2的 ＝1 |
一次做对，真牛！
+5奖励规则>
- 提示1：5q2k57G75Zu+5YOP5Lit6YG15b6q4oCc5YWI5ouQ5YWI5bmz4oCd55qE5Y6f5YiZ77yM5pac546H5Luj6KGo5YyW5a2m5Y+N5bqU6YCf546H77yM6ICM5bmz5Y+w55qE6auY5L2O5YiZ5Luj6KGo5LqG5YyW5a2m5bmz6KGh55qE56e75Yqo44CC
- 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.T℃时，在2L的密闭容器中，A气体与B气体发生可逆反应生成C气体，反应过程中A、B、C物质的量变化如图(Ⅰ)所示．若保持其它条件不变，温度分别为T1和T2时，B的物质的量分数与时间关系如图(Ⅱ)所示．下列叙述正确的是
| A: 2min内A的化学反应速率为0.1mol/L |
| B: 在反应达平衡时，保持其他条件不变，增大压强，正逆反应速率都增大，且平衡向逆反应方向移动 |
| C: 在反应达平衡时，其它条件不变，升高温度，正逆反应速率都增大，且A的转化率增大 |
| D: 在T℃时，若A的浓度减少了1mol/L，则B的浓度会减少3mol/L，C的浓度会增加2mol/L |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyo6K6h566X5Y+N5bqU6YCf546H55qE6L+H56iL5Lit5b+F6aG75rOo5oSP5bCG57uZ5Ye655qE54mp6LSo55qE6YeP55qE5p2h5Lu26L2s5YyW5Li65rWT5bqm44CC
- 提示2：5rWT5bqm55qE5Y+Y5YyW6YeP44CB5Y+N5bqU6YCf546H5LmL5q+U5Z2H562J5LqO5Y+N5bqU55qE57O75pWw5q+U44CC
- 提示3：5Zyo5Zu+4oWh55qE5YiG5p6Q5Lit6KaB5rOo5oSP77ya5pac546H6KGo56S65Y+N5bqU6YCf546H77yM6ICM5bmz5Y+w55qE6auY5L2O6KGo56S65bmz6KGh6L+b6KGM55qE6ZmQ5bqm44CC
- 答案：RA==
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
