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.电镀废液中Cr2O72－可通过下列反应转化成铬黄(PbCrO4)： Cr2O72－(aq)＋2Pb2＋ (aq)＋H2O(l)
2PbCrO4(s)＋2H＋(aq)ΔH<0该反应达平衡后，改变横坐标表示的反应条件，下列示意图正确的是
2PbCrO4(s)＋2H＋(aq)ΔH<0该反应达平衡后，改变横坐标表示的反应条件，下列示意图正确的是 A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：5bmz6KGh5bi45pWw44CB5Y+N5bqU54mpQ3I8c3ViPjI8L3N1Yj5PPGltZyB3aWR0aD0xMyBoZWlnaHQ9MjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BMy9ENy9yQkFDRTFWQnl2bnp1ZVI1QUFBQkd4VkwwUTA4MTgucG5nIj7nmoTovazljJbnjofpg73mmK/kuI7lj43lupTmiYDov5vooYznmoTpmZDluqbmnInlhbPvvIzpnIDopoHlgJ/liqnljJblrablubPooaHnmoTnp7vliqjmnaXliIbmnpDjgII=
- 提示2：5rip5bqm5a+55LqO5Y+N5bqU6YCf546H55qE5b2x5ZON5piv57ud5a+555qE77yM6KaB5LiO5rip5bqm5a+55LqO5YyW5a2m5Y+N5bqU5bmz6KGh55qE5b2x5ZON5Yy65YiG5byA44CC
- 答案：QQ==
6K+l5Y+N5bqU5Li65pS+54Ot5Y+N5bqU77yM5Y2H6auY5rip5bqm5bmz6KGh5ZCR6YCG5Y+N5bqU5pa55ZCR56e75Yqo77yM5bmz6KGh5bi45pWw5YeP5bCP77yM5pWFQeato+ehru+8mzxicj7pmo/murbmtrJwSOeahOWNh+mrmO+8jOa6tua2suS4reWinuWKoOeahE9IPHN1cD7vvI08L3N1cD7kuI3mlq3mtojogJdIPHN1cD7vvIs8L3N1cD7vvIzljJblrablubPooaHlkJHmraPlj43lupTmlrnlkJHnp7vliqjvvIzlj43lupTnialDcjxzdWI+Mjwvc3ViPk88aW1nIHdpZHRoPTEzIGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzL0Q3L3JCQUNFMVZCeXZuenVlUjVBQUFCR3hWTDBRMDgxOC5wbmciPueahOi9rOWMlueOh+S4jeaWreWinuWkp++8jOaVhULplJnor6/vvJs8YnI+5a+55LqO5Lu75L2V5Y+N5bqU5Y2H6auY5rip5bqm77yM5q2j6YCG5Y+N5bqU6YCf546H6YO95aKe5aSn77yM5pWFQ+mUmeivr++8mzxicj7lop7lpKfkuIDnp43lj43lupTnianmtZPluqblj6/ku6Xlop7lpKflj6bkuIDnp43lj43lupTniannmoTovazljJbnjofvvIzlm6DmraTvvIzpmo/nnYBQYjxzdXA+Mjwvc3VwPjxzdXA+77yLPC9zdXA+54mp6LSo55qE6YeP5rWT5bqm55qE5aKe5aSn77yMQ3I8c3ViPjI8L3N1Yj5PPGltZyB3aWR0aD0xMyBoZWlnaHQ9MjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BMy9ENy9yQkFDRTFWQnl2bnp1ZVI1QUFBQkd4VkwwUTA4MTgucG5nIj7nmoTnianotKjnmoTph4/lupTkuI3mlq3lh4/lsI/vvIzmlYVE6ZSZ6K+v44CC
本课配套习题挑战模式2/5
单选题
难度系数：
2.在容积一定的密闭容器中发生可逆反应：A(g)+2B(g) 
2C(g)；△H>0．平衡移动关系如图所示．下列说法正确的是
2C(g)；△H>0．平衡移动关系如图所示．下列说法正确的是 | A: P1<P2，纵坐标指A的质量分数 |
| B: P1>P2，纵坐标指C的质量分数 |
| C: P1<P2．纵坐标指A的转化率 |
| D: P1<P2，纵坐标指混合气体的平均摩尔质量 |
一次做对，真牛！
+5奖励规则>
- 提示1：5LuO5Y+N5bqU5pa556iL5byP5Lit5Y+v5Lul5YiG5p6Q77ya5q2j5Y+N5bqU5piv5LiA5Liq5ZC454Ot44CB5L2T56ev5YeP5bCP55qE5Y+v6YCG5Y+N5bqU44CC
- 提示2：5YWI5YiG5p6Q5LiA5p2h5puy57q/77yM5Y+v55+l6ZqP552A5rip5bqm55qE5aKe5Yqg57q15Z2Q5qCH6KGo56S655qE6YeP5Lya5aKe5aSn44CC
- 提示3：5pyA5ZCO6L+H5Lik5p2h5puy57q/5YGaPGk+eDwvaT7ovbTnmoTlnoLnur/vvIzliIbmnpDkuKTkuKrljovlvLrnmoTlvbHlk43jgII=
- 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.在一定条件下，固定容积的密闭容器中反应：2NO2(g) 2NO(g)＋O2(g)；△H＞0，达到平衡。当改变其中一个条件X，Y随X的变化符合图中曲线的是
2NO(g)＋O2(g)；△H＞0，达到平衡。当改变其中一个条件X，Y随X的变化符合图中曲线的是 | A: 当X表示温度时，Y表示NO2的物质的量 |
| B: 当X表示压强时，Y表示NO2的转化率 |
| C: 当X表示反应时间时，Y表示混合气体的密度 |
| D: 当X表示NO2的物质的量时，Y表示O2的物质的量 |
一次做对，真牛！
+5奖励规则>
- 提示1：5b2TWOihqOekuuWPjeW6lOaXtumXtOaXtu+8jOatpOaXtuiAg+iZkeWNleS4gOadoeS7tuS4i+eahOWPjeW6lOi/m+eoi++8jOS4jeWtmOWcqOadoeS7tueahOaUueWPmO+8jOWboOatpOacgOe7iOabsue6v+S8mui2i+S6juW5s+ihoeOAgg==
- 提示2：5YW25LuW5ZCE6aG577yM6YO95piv5qiq5Z2Q5qCH5LiK55qE5p2h5Lu25Y+R55Sf5pS55Y+Y77yM5LuO6ICM5b2x5ZON5bmz6KGh77yM5Zug5q2k6ZyA6KaB5YiG5p6Q5bmz6KGh55qE56e75Yqo5LiOWei9tOihqOekuueahOWPmOmHj+OAgg==
- 答案：QQ==
QeOAgeWNh+mrmOa4qeW6pu+8jOWboOS4uuaYr+WQuOeDreWPjeW6lO+8jOW5s+ihoeWPs+enu++8jOato+ehru+8mzxicj5C44CB5aKe5aSn5Y+N5bqU54mp55qE5rWT5bqm77yM5bmz6KGh5Y+z56e777yM6ZSZ6K+v77ybPGJyPkPjgIHkvZPnp6/kuI3lj5jvvIzotKjph4/kuI3lj5jvvIzlr4bluqbkuI3lj5jvvIzplJnor6/vvJs8YnI+ROOAgeWinuWkp+WOi+W8uu+8jOW5s+ihoeWQkeS9k+enr+WHj+WwkeeahOaWueWQkeenu+WKqO+8jOmUmeivr+OAgg==
本课配套习题挑战模式4/5
多选题
难度系数：
4.用来表示可逆反应：2A（g）＋B（g）
2C（g）（正反应放热）的正确图象是下图中的
2C（g）（正反应放热）的正确图象是下图中的 A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2u5pa556iL5byP5Y+v55+l77yM5q2j5Y+N5bqU5pS+54Ot77yM5YiZ5Y2H6auY5rip5bqm5q2j6YCG5Y+N5bqU6YCf546H6YO95aKe5aSn77yM5bmz6KGh5ZCR6YCG5Y+N5bqU5pa55ZCR56e75Yqo77yMQ+eahOWQq+mHj+mZjeS9ju+8jEHnmoTovazljJbnjofpmY3kvY7jgII=
- 提示2：55Sx5LqO5Y+N5bqU5YmN5ZCO5rCU5L2T55qE5L2T56ev5LiN5Y+Y77yM5YiZ5aKe5aSn5Y6L5by65bmz6KGh5LiN56e75Yqo77yM5q2j6YCG5Y+N5bqU6YCf546H5aKe5aSn55qE5YCN5pWw55u45ZCM44CC
- 答案：QSxD
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
本课配套习题挑战模式5/5
多选题
难度系数：
5.对于可逆反应：A2(g)＋3B2(g) 
2AB3(g)（正反应放热），下列图象中正确的是
2AB3(g)（正反应放热），下列图象中正确的是 A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：QeOAgUTkuKTpobnkuK3vvIzkuKTmnaHmm7Lnur/liIbliKvooajnpLrmraPlj43lupTpgJ/njoflkozpgIblj43lupTpgJ/njofvvIzpgJDkuKrliIbmnpDmqKrlnZDmoIfooajnpLrnmoTph4/lr7nkuo7kuKTpgJ/njofnmoTlvbHlk43lsLHlj6/ku6Xlvpflh7rmm7Lnur/nmoTotbDlkJHvvIznhLblkI7liIbmnpDlubPooaHnmoTnp7vliqjvvIzlj6/ku6XlvpfliLDmraPpgIblj43lupTpgJ/njoflk6rkuIDkuKrlj5jljJbnmoTlv6vjgII=
- 提示2：QuOAgUPkuKTpobnkuK3vvIzkuI3lkIznmoTmm7Lnur/ku6PooajkuI3lkIznmoTmuKnluqbjgILlm6DmraTkuI3ku4XopoHliIbmnpDmqKrlnZDmoIflr7nkuo7nurXlnZDmoIfku6PooajnmoTph4/nmoTlvbHlk43vvIzov5jpnIDopoHliIbmnpDmuKnluqbnmoTlj5jljJbkuI7lvbHlk43jgII=
- 答案：QSxC
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
