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：
1.一定温度下将1molSO3放入2L的反应器内，当反应：2SO3（g）
2SO2（g）+O2（g）平衡时，容器内有0.6mol SO2，其平衡常数约是
2SO2（g）+O2（g）平衡时，容器内有0.6mol SO2，其平衡常数约是 | A: 0.68 |
| B: 0.34 |
| C: 0.45 |
| D: 0.47 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWIqeeUqOS4ieauteW8j+azle+8jOWPr+S7peaxguWHuuWPjeW6lOW5s+ihoeaXtueahOmHj+OAgg==
- 提示2：IOW5s+ihoeW4uOaVsOS4uueUn+aIkOeJqeeahOa1k+W6puW5guS5i+enr+mZpOS7peWPjeW6lOeJqeeahOa1k+W6puW5guS5i+enr+OAgg==
- 答案：Qg==
PGltZyB3aWR0aD0yODAgaGVpZ2h0PTEwNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzZFLzE2L3JCQUNKbFZBVTZTaVR4QTlBQUFMRXA0OFNtRTU1OS5wbmciPjxicj7lubPooaHluLjmlbBLPGltZyB3aWR0aD0xMTkgaGVpZ2h0PTQ5IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNkUvNEEvckJBQ0oxVkFVNlRCdFloN0FBQUQwVFdHUXJJMDY5LnBuZyI+PTxpbWcgd2lkdGg9MTg1IGhlaWdodD00OSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzLzg0L3JCQUNFMVZBVTZUeVYwNDBBQUFGSVdJeTBybzQzNS5wbmciPj0wLjM0bW9sL0zvvIw8YnI+5pWF6YCJQi4g
本课配套习题挑战模式2/5
单选题
难度系数：
2.下列关于平衡常数K的说法中，正确的是
| A: 在任何条件下，化学平衡常数是一个恒定值 |
| B: 改变反应物浓度或生成物浓度都会改变平衡常数K |
| C: 平衡常数K只与温度有关，与反应浓度、压强无关 |
| D: 从平衡常数K的大小不能推断一个反应进行的程度 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWMluWtpuW5s+ihoeW4uOaVsOWPquWPl+a4qeW6puW9seWTjeOAgg==
- 提示2：IOW5s+ihoeW4uOaVsOi2iuWkp++8jOWPjeW6lOi/m+ihjOeahOeoi+W6pui2iuWkp++8jOWPr+mAhueoi+W6pui2iuWwj++8jOW5s+ihoeW4uOaVsEvnmoTlpKflsI/lj6/ku6Xmjqjmlq3kuIDkuKrlj43lupTov5vooYznmoTnqIvluqbjgII=
- 答案：Qw==
QeOAgeWMluWtpuW5s+ihoeW4uOaVsOWPl+a4qeW6puW9seWTje+8jOa4qeW6puWPmOWMlu+8jOWMluWtpuW5s+ihoeW4uOaVsOWPkeeUn+WPmOWMlu+8jOaVhUHplJnor6/vvJs8YnI+5Y+N5bqU5rWT5bqm44CB5Y6L5by65LiN5b2x5ZON5YyW5a2m5bmz6KGh5bi45pWw77yM5pWFQumUmeivr++8jEPmraPnoa7vvJs8YnI+ROOAgeW5s+ihoeW4uOaVsOi2iuWkp++8jOWPjeW6lOi/m+ihjOeahOeoi+W6pui2iuWkp++8jOWPr+mAhueoi+W6pui2iuWwj++8jOW5s+ihoeW4uOaVsEvnmoTlpKflsI/lj6/ku6Xmjqjmlq3kuIDkuKrlj43lupTov5vooYznmoTnqIvluqbvvIzmlYVE6ZSZ6K+v77ybPGJyPuaVhemAiUMuIA==
本课配套习题挑战模式3/5
单选题
难度系数：
3.将固体NH4I置于密闭容器中，在一定温度下发生下列反应：
①NH4I(s)
NH3 (g) +HI( g) ; ②2HI(g) H2(g) +I2(g)达到平衡时，c(H2) =0.5mol·L-1， c( HI)=4mol·L-1，则此温度下反应①的平衡常数为
①NH4I(s)
NH3 (g) +HI( g) ; ②2HI(g) H2(g) +I2(g)达到平衡时，c(H2) =0.5mol·L-1， c( HI)=4mol·L-1，则此温度下反应①的平衡常数为 | A:9mol2·L-2 |
| B:16mol2·L-2 |
| C:20mol2·L-2 |
| D:25mol2·L-2 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWIqeeUqOS4ieauteW8j+azleWPr+S7peaxguWHuuWQhOeJqei0qOeahOmHj+OAgg==
- 提示2：IOWPjeW6lOeahOW5s+ihoeW4uOaVsOetieS6jueUn+aIkOeJqeeahOa1k+W6puW5guS5i+enr+mZpOS7peWPjeW6lOeJqeeahOa1k+W6puW5guS5i+enr+OAgg==
- 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.在一个体积为2L的容器中，充入4molCO和4mol H2O，一段时间后反应CO(g) + H2O(g) 
CO2(g) +H2(g)在密闭容器中达到了平衡状态。平衡后[CO2]=1.8mol·L-1，则该温度下此反应的平衡常数K为
CO2(g) +H2(g)在密闭容器中达到了平衡状态。平衡后[CO2]=1.8mol·L-1，则该温度下此反应的平衡常数K为 | A: 27 |
| B: 36 |
| C: 54 |
| D: 81 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWIqeeUqOS4ieauteW8j+azleWPr+S7peWIl+WHuuW5s+ihoeWQjuS9k+ezu+S4reWQhOeJqei0qOeahOa1k+W6puOAgg==
- 提示2：IOWImeWPjeW6lOW5s+ihoeW4uOaVsDxpbWcgd2lkdGg9MTI2IGhlaWdodD00NiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzLzg0L3JCQUNFMVZBVkJ6Ukk2bTBBQUFFR2R2c1hFZzgwOS5wbmciPuOAgg==
- 答案：RA==
PGltZyB3aWR0aD0zMzggaGVpZ2h0PTEwNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZBLzZEL3JCQUNGRlZBVkJ6Z1RYa29BQUFPYlJHUXVDZzEwMi5wbmciPjxicj7liJnlj43lupTlubPooaHluLjmlbA8aW1nIHdpZHRoPTEyNiBoZWlnaHQ9NDYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BMy84NC9yQkFDRTFWQVZCelJJNm0wQUFBRUdkdnNYRWc4MDkucG5nIj48aW1nIHdpZHRoPTE5OSBoZWlnaHQ9NDUgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82RS8xNi9yQkFDSmxWQVZCeXhDZjhlQUFBRVBnRUtCUkUxMTIucG5nIj4=
本课配套习题挑战模式5/5
单选题
难度系数：
5.放热反应CO（g）+H2O（g）CO2（g）+H2（g）△H＜0在温度t1时达到平衡，c1（CO）=c1（H2O）=1.0mol/L，其平衡常数为K1. 升高反应体系的温度至t2时，反应物的平衡浓度分别为c2（CO）和c2（H2O），平衡常数为K2，则
CO2（g）+H2（g）△H＜0在温度t1时达到平衡，c1（CO）=c1（H2O）=1.0mol/L，其平衡常数为K1. 升高反应体系的温度至t2时，反应物的平衡浓度分别为c2（CO）和c2（H2O），平衡常数为K2，则 | A: K2=K1 |
| B: c2（CO）=c2（H2O） |
| C: K2＞K1 |
| D: c1（CO）＞c2（CO） |
一次做对，真牛！
+5奖励规则>
- 提示1：IOato+WQkeWPjeW6lOaYr+aUvueDreWPjeW6lC4g5omA5Lul5rip5bqm5Y2H6auY77yM5bmz6KGh5ZCR5ZC454Ot5Y+N5bqU5pa55ZCR6L+b6KGM77yM5Y2z5bmz6KGh6YCG5ZCR6L+b6KGM77yb5Zug5q2kSzxzdWI+Mjwvc3ViPu+8nEs8c3ViPjE8L3N1Yj7vvJs=
- 提示2：IHQ8c3ViPjE8L3N1Yj7ml7bovr7liLDlubPooaHvvIxjPHN1Yj4xPC9zdWI+77yIQ0/vvIk9YzxzdWI+MTwvc3ViPu+8iEg8c3ViPjI8L3N1Yj5P77yJPTEuMG1vbC9M77yM5Lik6ICF5Zyo5Y+N5bqU55qE5ZCM5LiA5L6n77yM5omA5Lul5paw5bmz6KGh54q25oCB5LiL77yMYzxzdWI+Mjwvc3ViPu+8iENP77yJ5ZKMYzxzdWI+Mjwvc3ViPu+8iEg8c3ViPjI8L3N1Yj5P77yJ5LuN55u45ZCM77yb
- 提示3：IOWNh+mrmOWPjeW6lOS9k+ezu+eahOa4qeW6puiHs3Q8c3ViPjI8L3N1Yj7ml7bvvIzlubPooaHpgIblkJHov5vooYzvvIzmiYDku6VjPHN1Yj4yPC9zdWI+77yIQ0/vvInvvJ5jPHN1Yj4xPC9zdWI+77yIQ0/vvInvvJs=
- 答案：Qg==
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
