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.对于给定的可逆反应的平衡常数（K）的说法正确的是
| A: K只与温度有关，温度不变，K不变 |
| B: 改变条件，反应物的转化率增大，K也一定增大 |
| C: 温度一定时，其正、逆反应的K相等 |
| D: 若正反应△H＜0，升高温度，该反应的K增大 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOW5s+ihoeW4uOaVsOaYr+a4qeW6pueahOWHveaVsO+8jOWPquS4jua4qeW6puacieWFs++8mw==
- 提示2：IOa4qeW6puS4gOWumuaXtu+8jOato+mAhuWPjeW6lOeahOW5s+ihoeW4uOaVsOS6kuS4uuWAkuaVsO+8mw==
- 提示3：IOato+WPjeW6lOKWs0jvvJww77yM5pS+54Ot77yM5Y2H6auY5rip5bqm5bmz6KGh5ZCR6YCG5Y+N5bqU5pa55ZCR56e75Yqo77yM5YiZ55Sf5oiQ54mp5rWT5bqm6ZmN5L2O77yM5Y+N5bqU54mp5rWT5bqm5aKe5aSn
- 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.在一定温度下，对于可逆反应C（s）+H2O（g）
CO（g）+H2（g），其平衡常数表达式正确的是
CO（g）+H2（g），其平衡常数表达式正确的是 A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWMluWtpuW5s+ihoeW4uOaVsOetieS6jueUn+aIkOeJqeeahOa1k+W6puW5guS5i+enr+mZpOS7peWPjeW6lOeJqeeahOa1k+W6puW5guS5i+enr+OAgg==
- 答案：RA==
5YyW5a2m5bmz6KGh5bi45pWw562J5LqO55Sf5oiQ54mp55qE5rWT5bqm5bmC5LmL56ev6Zmk5Lul5Y+N5bqU54mp55qE5rWT5bqm5bmC5LmL56ev77yM5YyW5a2m5bmz6KGh5bi45pWwSz08aW1nIHdpZHRoPTg2IGhlaWdodD00NiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZBLzZDL3JCQUNGRlZBVHlLalJNRFdBQUFEVGwxZkhZWTY2OC5wbmciPu+8jDxicj7mlYXpgIlELiA=
本课配套习题挑战模式3/5
单选题
难度系数：
3.反应H2（g）+I2（g）⇌2HI（g）的平衡常数K1；反应HI（g）
H2（g）+I2（g）的平衡常数K2，则K1、K2的关系为（平衡常数为同温度下的测定值）
H2（g）+I2（g）的平衡常数K2，则K1、K2的关系为（平衡常数为同温度下的测定值） | A: K1=2K2 |
| B: K1=K22 |
C:  |
| D: K1= K2 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOebuOWQjOa4qeW6puS4i++8jOmAhuWPjeW6lOeahOW5s+ihoeW4uOaVsOS4uuato+WPjeW6lOW5s+ihoeW4uOaVsOeahOWAkuaVsO+8mw==
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- 答案：Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.已知下列反应的平衡常数：
（1）H2(g)＋S(s)H2S(g) K1
（2）S(s)＋O2(g) SO2(g) K2
则反应H2＋SO2O2＋H2S的平衡常数为
（1）H2(g)＋S(s)
H2S(g) K1 （2）S(s)＋O2(g)
SO2(g) K2 则反应H2＋SO2
O2＋H2S的平衡常数为 | A: K1＋K2 |
| B: K1－K2 |
| C: K1×K2 |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOaJgOaxguWPjeW6lD3vvIgx77yJK++8iDLvvInnmoTpgIblj43lupTvvJs=
- 提示2：IOWPjeW6lOebuOWKoOaXtu+8jOW5s+ihoeW4uOaVsOebuOS5mO+8jOmAhuWPjeW6lOeahOW5s+ihoeW4uOaVsOetieS6juWOn+WPjeW6lOeahOW5s+ihoeW4uOaVsOeahOWAkuaVsO+8mw==
- 答案：RA==
5omA5rGC5Y+N5bqUPe+8iDHvvIkr77yIMu+8ieeahOmAhuWPjeW6lO+8mzxicj7miYDmsYLlj43lupTnmoTlubPooaHluLjmlbA9IDxpbWcgd2lkdGg9NTYgaGVpZ2h0PTQ2IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkEvNkMvckJBQ0ZGVkFVQWpCUkNqNUFBQUNGbHJMVUNZMDMzLnBuZyI+PTxpbWcgd2lkdGg9MjggaGVpZ2h0PTQ2IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQTMvODQvckJBQ0UxVkFVQWloekVYZEFBQUJ1TFczeTFvNzY2LnBuZyI+44CC
本课配套习题挑战模式5/5
单选题
难度系数：
5.某温度下，向容积为2L的密闭反应器中充入0.10molSO3，当反应器中的气体压强不再变化时测得SO3的转化率为20%，则该温度下反应2SO2(g)＋O22SO3(g)的平衡常数为
2SO3(g)的平衡常数为 | A: 8.0×102mol－1·L |
| B: 1.6×103mol－1·L |
| C: 3.2×103mol－1·L |
| D: 4.0×102mol－1·L |
一次做对，真牛！
+5奖励规则>
- 提示1：IOmmluWFiOaxguWHuui1t+Wni+aXtlNPPHN1Yj4zPC9zdWI+55qE5rWT5bqm77yaPGltZyB3aWR0aD0xMjQgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQTMvODMvckJBQ0UxVkFUeTJCQ2swMEFBQUQxTmp1RnlJNTY3LnBuZyI+77yb
- 提示2：IOWGjeagueaNruS4ieauteW8j+azleaxguWHuuW5s+ihoeeKtuaAgeaXtuWQhOeJqei0qOeahOa1k+W6pu+8jOivpeWIhuino+WPjeW6lOeahOWMluWtpuW5s+ihoeW4uOaVsDxpbWcgd2lkdGg9MTc3IGhlaWdodD00OSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZBLzZDL3JCQUNGRlZBVHkyaXItRk1BQUFGWmlSaUVfSTI5MC5wbmciPuOAgg==
- 提示3：IOaJgOaxguWPjeW6lOS4uuivpeWPjeW6lOeahOmAhuWPjeW6lO+8jDxpbWcgd2lkdGg9OTAgaGVpZ2h0PTQ4IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNkUvMTUvckJBQ0psVkFUeTJoVklwbEFBQURHMGZ4WVBJNjI4LnBuZyI+
- 答案：Qw==
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
