溴丁烷水解的能量变化与反应历程如图所示:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/1311a85e-e381-486e-b265-d6fa1ad18c7b.png?resizew=216)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30247520eef1ca759e4e65181f1b43db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a9f96d98bec0289cbc92d77c3d8a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30450a74b744ec3afd21c58b2b470240.png)
下列说法错误的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/1311a85e-e381-486e-b265-d6fa1ad18c7b.png?resizew=216)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30247520eef1ca759e4e65181f1b43db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a9f96d98bec0289cbc92d77c3d8a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30450a74b744ec3afd21c58b2b470240.png)
下列说法错误的是
A.![]() |
B.向体系中加入强碱,![]() |
C.反应![]() ![]() |
D.向![]() ![]() ![]() |
更新时间:2022-06-20 16:01:13
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【推荐1】一定条件下,1-苯基丙炔
与HCl发生催化加成,反应如下:
反应Ⅰ:
产物A:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcde5dca4af9af6441b41540331c9392.png)
反应Ⅱ:
产物B:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98a59b1a803aa2dcebb7f77137dd1be.png)
反应Ⅲ:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b9b7c92d824182f81efc1a181527df.png)
T℃,向密闭容器中通入2molPh-C≡C-CH3(g)和3molHCl(g),平衡时测得Ph-C≡C-CH3(g)的转化率为
,反应Ⅲ的平衡常数
,反应过程中有机物的物质的量分数随时间变化如图。下列说法错误的是
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/a8d0e6d4-5a77-4db6-b3ed-e7d4d4a12af4.png?resizew=267)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4d5a5ea6a7dfbfc41e3d7e7f0f3a25.png)
反应Ⅰ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/8558db2e-582b-496d-a16e-cbbe17c3afbf.png?resizew=403)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684b39ef72bd0fea0f008fa586bc051a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcde5dca4af9af6441b41540331c9392.png)
反应Ⅱ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/f5859291-085e-40ff-b973-59390838aa95.png?resizew=400)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5685006a5d749fab62e7dc3681606e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98a59b1a803aa2dcebb7f77137dd1be.png)
反应Ⅲ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/9e7cd11b-c99f-453b-9f9b-927b3ce0b210.png?resizew=358)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b9b7c92d824182f81efc1a181527df.png)
T℃,向密闭容器中通入2molPh-C≡C-CH3(g)和3molHCl(g),平衡时测得Ph-C≡C-CH3(g)的转化率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee237f9aff9a7fef20645b939bc02855.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/a8d0e6d4-5a77-4db6-b3ed-e7d4d4a12af4.png?resizew=267)
A.活化能:![]() |
B.![]() |
C.T℃反应的平衡常数![]() |
D.若保持温度和压强不变,再向容器中通N2,反应I的化学平衡将逆向移动 |
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【推荐2】由金属单质和氯气反应得到
和
的能量关系如图所示(M=Ca、Ba)。下列说法不正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/93182c50-12ff-4e2e-8c7e-672c57367c4e.png?resizew=296)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965beb56e5f4c7eb3c9ca02156586c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388fdfb236c5196bcfbe821d7712f13f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/93182c50-12ff-4e2e-8c7e-672c57367c4e.png?resizew=296)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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【推荐3】以CO2、H2为原料合成CH3OH涉及的主要反应如下:
①CO2(g)+3H2(g)⇌CH3OH(g)+H2O(g) ∆H1=-49.5 kJ/mol
②CO(g)+2H2(g)⇌CH3OH(g) ∆H2=-90.4 kJ/mol
③CO2(g)+H2(g)⇌CO(g)+H2O(g) ∆H3
不同压强下,按照n(CO2):n(H2)=1:3投料,CO2平衡转化率随温度变化关系如图。下列说法正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/338b9e08-0fae-4ba2-96aa-db03fd1c9c97.png?resizew=255)
①CO2(g)+3H2(g)⇌CH3OH(g)+H2O(g) ∆H1=-49.5 kJ/mol
②CO(g)+2H2(g)⇌CH3OH(g) ∆H2=-90.4 kJ/mol
③CO2(g)+H2(g)⇌CO(g)+H2O(g) ∆H3
不同压强下,按照n(CO2):n(H2)=1:3投料,CO2平衡转化率随温度变化关系如图。下列说法正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/338b9e08-0fae-4ba2-96aa-db03fd1c9c97.png?resizew=255)
A.∆H3=-40.9 kJ/mol |
B.p1 < p2 < p3 |
C.为同时提高CO2的平衡转化率和CH3OH的平衡产率,反应条件应选择高温、高压 |
D.T1温度时,三条曲线几乎交于一点的原因是:该温度下,主要发生反应③ |
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【推荐1】科学工作者结合实验与计算机模拟结果,研究了在
催化剂表面上
与
的反应历程,前三步历程如图所示,其中吸附在
催化剂表面上的物种用“·”标注、Ts表示过渡态。
下列有关叙述正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c768411624ceb34aea6851b7f7766f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71c86dcd9a9e9b09bbbb65b9d313435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750859dd7d5b821d909e6a32c11095cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c768411624ceb34aea6851b7f7766f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/11/42f8c25b-6d1c-4169-8bc9-9fdb616112c0.png?resizew=243)
下列有关叙述正确的是
A.前三步总反应的![]() |
B.·HOCO转化为·CO和·OH为吸热过程 |
C.催化剂通过参与化学反应,能降低反应的活化能,也能改变反应热 |
D.历程中活化能(能垒)最小的反应方程式为![]() |
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【推荐2】一定条件下,1-苯基丙炔
与HCl发生催化加成,反应如下:
反应Ⅰ:
产物A:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcde5dca4af9af6441b41540331c9392.png)
反应Ⅱ:
产物B:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98a59b1a803aa2dcebb7f77137dd1be.png)
反应Ⅲ:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b9b7c92d824182f81efc1a181527df.png)
T℃,向密闭容器中通入2molPh-C≡C-CH3(g)和3molHCl(g),平衡时测得Ph-C≡C-CH3(g)的转化率为
,反应Ⅲ的平衡常数
,反应过程中有机物的物质的量分数随时间变化如图。下列说法错误的是
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/a8d0e6d4-5a77-4db6-b3ed-e7d4d4a12af4.png?resizew=267)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4d5a5ea6a7dfbfc41e3d7e7f0f3a25.png)
反应Ⅰ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/8558db2e-582b-496d-a16e-cbbe17c3afbf.png?resizew=403)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684b39ef72bd0fea0f008fa586bc051a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcde5dca4af9af6441b41540331c9392.png)
反应Ⅱ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/f5859291-085e-40ff-b973-59390838aa95.png?resizew=400)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5685006a5d749fab62e7dc3681606e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98a59b1a803aa2dcebb7f77137dd1be.png)
反应Ⅲ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/9e7cd11b-c99f-453b-9f9b-927b3ce0b210.png?resizew=358)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b9b7c92d824182f81efc1a181527df.png)
T℃,向密闭容器中通入2molPh-C≡C-CH3(g)和3molHCl(g),平衡时测得Ph-C≡C-CH3(g)的转化率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee237f9aff9a7fef20645b939bc02855.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/a8d0e6d4-5a77-4db6-b3ed-e7d4d4a12af4.png?resizew=267)
A.活化能:![]() |
B.![]() |
C.T℃反应的平衡常数![]() |
D.若保持温度和压强不变,再向容器中通N2,反应I的化学平衡将逆向移动 |
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【推荐3】一定条件下,1-苯基丙炔(
)与HCl发生催化加成,反应如下:
反应Ⅰ:Ph-C≡C-CH3(g)+HCl(g)
(g)产物A;
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0354c40e33355c548ff7b00423cd9f44.png)
反应Ⅱ:Ph-C≡C-CH3(g)+HCl(g)
(g)产物B;
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3396e9e066adc1d6e03779938058a9.png)
反应Ⅲ:
(g)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
(g);![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989db1dc4ef192dc85623f71f3fb7aea.png)
T℃,向密闭容器中通入
和3molHCl(g),平衡时测得
的转化率为α,反应Ⅲ的平衡常数
,反应过程中有机物的物质的量分数随时间变化如图。下列说法错误的是
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/389fd371-d410-4d8c-a179-f3e1b22b810a.png?resizew=205)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec09e0038160d7295f6728ea87fc25a.png)
反应Ⅰ:Ph-C≡C-CH3(g)+HCl(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/7ab8efda-eb3f-4fd4-97ce-2005aba38e4b.png?resizew=97)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c3c2a94b6039ae49b0274c43b74a6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0354c40e33355c548ff7b00423cd9f44.png)
反应Ⅱ:Ph-C≡C-CH3(g)+HCl(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/f75ec23b-9857-4527-aff5-705220c7cf80.png?resizew=95)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde5688de80e036887530f5bbf765ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3396e9e066adc1d6e03779938058a9.png)
反应Ⅲ:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/37cc855d-e740-4a1a-9853-f1ffeb5a2536.png?resizew=97)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/b6c0f41e-05fb-4984-90ad-ca1e5e1bf296.png?resizew=104)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989db1dc4ef192dc85623f71f3fb7aea.png)
T℃,向密闭容器中通入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b13a5c411d822b2cd84e9d65772e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8ba2d6524b4002d77fc3b6f6919f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bef91343a7aafb2c2619e2d048f85f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/389fd371-d410-4d8c-a179-f3e1b22b810a.png?resizew=205)
A.活化能:![]() |
B.![]() |
C.T℃反应Ⅰ的平衡常数![]() |
D.若保持温度和压强不变,再向容器中通![]() |
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【推荐1】已知:A(g)+2B(g)
3C(g),∆H<0,向一恒温恒容的密闭容器中充入1molA和3molB发生反应,t1时达到平衡状态I,在t2时改变某一条件,t3时重新达到平衡状态Ⅱ,正反应速率随时间的变化如图所示。下列说法正确的是
![](https://img.xkw.com/dksih/QBM/2021/10/18/2831797682446336/2832208556703744/STEM/07daff2e-a384-493d-b4df-9238d2fb0ec3.png?resizew=260)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
![](https://img.xkw.com/dksih/QBM/2021/10/18/2831797682446336/2832208556703744/STEM/07daff2e-a384-493d-b4df-9238d2fb0ec3.png?resizew=260)
A.容器内压强不变,表明反应达到平衡 |
B.t2时改变的条件:向容器中加入B |
C.平衡时A的浓度:c(II)>c(I) |
D.平衡常数K:K(II)<K(I) |
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【推荐2】已知:。向体积可变的密闭容器中充入一定量的CH4(g)和O2(g)发生反应,CH4(g)的平衡转化率与温度(T)和压强(p)的关系如下图所示(已知T1>T2)。
![](https://img.xkw.com/dksih/QBM/2018/11/28/2085333154922496/2091825391034368/STEM/68779d83d6824aada524a3726a38b923.png?resizew=114)
下列说法正确的是
![](https://img.xkw.com/dksih/QBM/2018/11/28/2085333154922496/2091825391034368/STEM/68779d83d6824aada524a3726a38b923.png?resizew=114)
下列说法正确的是
A.该反应的△H>0 |
B.M、N两点的H2的物质的量浓度:c(M)>c(N) |
C.温度不变时,增大压强可由N点到P点 |
D.N、P两点的平衡常数:K(N)<K(P) |
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