配套习题- 化学平衡常数应用（二）——基本计算 -【青果学院】

挑战习题

1/5单选题

难度：

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

A	0.68
B	0.34
C	0.45
D	0.47

提示1：: IOWIqeeUqOS4ieauteW8j+azle+8jOWPr+S7peaxguWHuuWPjeW6lOW5s+ihoeaXtueahOmHj+OAgg==

提示2：: IOW5s+ihoeW4uOaVsOS4uueUn+aIkOeJqeeahOa1k+W6puW5guS5i+enr+mZpOS7peWPjeW6lOeJqeeahOa1k+W6puW5guS5i+enr+OAgg==

正确答案：Qg==

PGltZyB3aWR0aD0yODAgaGVpZ2h0PTEwNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzZFLzE2L3JCQUNKbFZBVTZTaVR4QTlBQUFMRXA0OFNtRTU1OS5wbmciPjxicj7lubPooaHluLjmlbBLPGltZyB3aWR0aD0xMTkgaGVpZ2h0PTQ5IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNkUvNEEvckJBQ0oxVkFVNlRCdFloN0FBQUQwVFdHUXJJMDY5LnBuZyI+PTxpbWcgd2lkdGg9MTg1IGhlaWdodD00OSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzLzg0L3JCQUNFMVZBVTZUeVYwNDBBQUFGSVdJeTBybzQzNS5wbmciPj0wLjM0bW9sL0zvvIw8YnI+5pWF6YCJQi4g

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2/5单选题

难度：

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

提示1：: IOWMluWtpuW5s+ihoeW4uOaVsOWPquWPl+a4qeW6puW9seWTjeOAgg==

提示2：: IOW5s+ihoeW4uOaVsOi2iuWkp++8jOWPjeW6lOi/m+ihjOeahOeoi+W6pui2iuWkp++8jOWPr+mAhueoi+W6pui2iuWwj++8jOW5s+ihoeW4uOaVsEvnmoTlpKflsI/lj6/ku6Xmjqjmlq3kuIDkuKrlj43lupTov5vooYznmoTnqIvluqbjgII=

正确答案：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==

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3/5单选题

难度：

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

A	9mol²·L^-2
B	16mol²·L^-2
C	20mol²·L^-2
D	25mol²·L^-2

提示1：: IOWIqeeUqOS4ieauteW8j+azleWPr+S7peaxguWHuuWQhOeJqei0qOeahOmHj+OAgg==

提示2：: IOWPjeW6lOeahOW5s+ihoeW4uOaVsOetieS6jueUn+aIkOeJqeeahOa1k+W6puW5guS5i+enr+mZpOS7peWPjeW6lOeJqeeahOa1k+W6puW5guS5i+enr+OAgg==

正确答案：Qw==

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4/5单选题

难度：

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

A	27
B	36
C	54
D	81

提示1：: IOWIqeeUqOS4ieauteW8j+azleWPr+S7peWIl+WHuuW5s+ihoeWQjuS9k+ezu+S4reWQhOeJqei0qOeahOa1k+W6puOAgg==

提示2：: IOWImeWPjeW6lOW5s+ihoeW4uOaVsDxpbWcgd2lkdGg9MTI2IGhlaWdodD00NiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzLzg0L3JCQUNFMVZBVkJ6Ukk2bTBBQUFFR2R2c1hFZzgwOS5wbmciPuOAgg==

正确答案：RA==

PGltZyB3aWR0aD0zMzggaGVpZ2h0PTEwNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZBLzZEL3JCQUNGRlZBVkJ6Z1RYa29BQUFPYlJHUXVDZzEwMi5wbmciPjxicj7liJnlj43lupTlubPooaHluLjmlbA8aW1nIHdpZHRoPTEyNiBoZWlnaHQ9NDYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BMy84NC9yQkFDRTFWQVZCelJJNm0wQUFBRUdkdnNYRWc4MDkucG5nIj48aW1nIHdpZHRoPTE5OSBoZWlnaHQ9NDUgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82RS8xNi9yQkFDSmxWQVZCeXhDZjhlQUFBRVBnRUtCUkUxMTIucG5nIj4=

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5/5单选题

难度：

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

A	K₂=K₁
B	c₂（CO）=c₂（H₂O）
C	K₂＞K₁
D	c₁（CO）＞c₂（CO）

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=

正确答案：Qg==

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