反应Ⅰ:2CH3OH(g)=HCOOCH3(g)+2H2(g) K1,△H1=+51.2kJ•mol-1
反应Ⅱ:CH3OH(g)=CO(g)+2H2(g) K2,△H2=+90.1kJ•mol-1
回答下列问题:
(1)反应HCOOCH3(g)=2CO(g)+2H2(g)的△H3=
(2)对于反应Ⅰ:增大压强,平衡
(3)在400kPa、铜基催化剂存在下,向密闭容器中通入CH3OH进行Ⅰ、Ⅱ两个反应。体系中气体平衡组成比例(物质的量分数)随温度变化的理论计算结果如图所示。
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/c8e258d8-7b18-4034-b6d5-f55876dbd1f4.png?resizew=392)
①随温度升高,CH3OH的平衡组成比例呈现如图所示趋势的原因是
②550K时,反应2CH3OH(g)=HCOOCH3(g)+2H2(g)的平衡常数Kp=
③研究表明,在700K以后升高体系温度,HCOOCH3的产率下降,可能的原因是
相似题推荐
Ⅰ.利用合成气(CO、CO2、H2)在催化剂作用下合成甲醇,发生反应如下:
①CO(g)+2H2(g)
![](https://img.xkw.com/dksih/QBM/2018/4/27/1933378819620864/1935967715155968/STEM/62652c4ac15c47afbb1fd1d3e4cc5c8a.png?resizew=33)
②CO2(g)+3H2(g)
![](https://img.xkw.com/dksih/QBM/2018/4/27/1933378819620864/1935967715155968/STEM/62652c4ac15c47afbb1fd1d3e4cc5c8a.png?resizew=33)
(1)反应①过程中能量变化如下图所示,下列说法正确的是
![](https://img.xkw.com/dksih/QBM/2018/4/27/1933378819620864/1935967715155968/STEM/02c23daa2b244d62940bdc2e11256e85.png?resizew=254)
A.①反应的△H=逆反应活化能-正反应活化能
B.把1molCO(g)和2molH2(g)充入密闭容器中充分反应,达平衡时放出的热量为91kJ
C.从图中信息可知加入催化剂能改变反应历程和热效应
D.相同条件下,CO(g)和H2(g)反应生成1mol液态CH3OH放出的热量大于91kJ
(2) 现利用①和②两个反应合成CH3OH, 已知CO可使反应的催化剂寿命下降。
若氢碳比表示为f= [(n(H2)-n(CO2)]/[(n(CO)-n(CO2)],则理论上f=
Ⅱ.甲醇可用于制取甲酸甲酯,其反应方程式为:CH3OH(g)+CO(g)
![](https://img.xkw.com/dksih/QBM/2018/4/27/1933378819620864/1935967715155968/STEM/62652c4ac15c47afbb1fd1d3e4cc5c8a.png?resizew=33)
![](https://img.xkw.com/dksih/QBM/2018/4/27/1933378819620864/1935967715155968/STEM/beb3a37662704e769a15948260e086ac.png?resizew=439)
(3)从反应压强对甲醇转化率的影响“效率”图和生产成本角度分析,工业制取甲酸甲酯应选择的最佳压强是
(4)实际工业生产中采用的温度是80℃,其理由是
Ⅲ.甲醇还可以用于合成二甲醚,发生的反应为2CH3OH(g)
![](https://img.xkw.com/dksih/QBM/2018/4/27/1933378819620864/1935967715155968/STEM/62652c4ac15c47afbb1fd1d3e4cc5c8a.png?resizew=33)
已知该反应在某温度下的平衡常数为900,此温度下,在密闭容器中加入CH3OH,反应到某时刻测得各组分浓度如下:
物质 | CH3OH | CH3OCH3 | H2O |
浓度(mol/L) | 1.25 | 0.9 | 0.9 |
(5)比较此时正、逆反应速率的大小: v正
(6) 若加入CH3OH后,经6min反应达到平衡,则该时间内平均反应速率v (CH3OH) =
【推荐2】研究减少CO2排放是一项重要课题。CO2经催化加氢可以生成低碳有机物,主要有以下反应:
反应Ⅰ:CO2(g)+3H2(g)CH3OH(g)+H2O(g)△H1=-49.6kJ/mol
反应Ⅱ:CH3OCH3(g)+H2O(g)2CH3OH(g)△H2=+23.4kJ/mol
反应Ⅲ:2CO2(g)+6H2(g)CH3OCH3(g)+3H2O(g)△H3
(1)△H3=
(2)恒温恒容条件下,在密闭容器中通入等物质的量的CO2和H2,发生反应I。下列描述能说明反应I达到平衡状态的是
A.反应体系总压强保持不变
B.容器内的混合气体的密度保持不变
C.水分子中断裂2NA个H-O键,同时氢分子中断裂3NA个H-H键
D.CH3OH和H2O的浓度之比保持不变
(3)反应II在某温度下的平衡常数为0.25,此温度下,在密闭容器中加入等物质的量的CH3OCH3(g)和H2O(g),反应到某时刻测得各组分浓度如下:
物质 | CH3OCH3(g) | H2O(g) | CH3OH(g) |
浓度/mol·L-1 | 1.8 | 1.8 | 0.4 |
当反应达到平衡状态时,混合气体中CH3OH体积分数(CH3OH)%=
(4)在某压强下,反应III在不同温度、不同投料比时,CO2的平衡转化率如图所示。T1温度下,将6molCO2和12molH2充入2L的密闭容器中,5min后反应达到平衡状态,则0~5min内的平均反应速率v(CH3OCH3)=
(5)CO2溶于水形成H2CO3。已知常温下H2CO3的电离平衡常数K1=4.4×10-7,K2=4.7×10-11,NH3·H2O的电离平衡常数Kb=1.75×10-5。常温下,用氨水吸收CO2可得到NH4HCO3溶液,NH4HCO3溶液显+HCO
+H2O
NH3·H2O+H2CO3的平衡常数K=
(6)据文献报道,CO2可以在酸性水溶液中用情性电极电解得到乙烯,其原理如图所示。b电极上的电极反应式
I.工业上一般在恒容密闭容器中采用下列反应合成甲醇:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a408841dda3b02ca97bcb8356afe4a.png)
(1)该反应在不同温度下的化学平衡常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a4058426f55dac11a1907aa9a8357e.png)
温度/![]() | 250 | 300 | 350 |
![]() | 2.041 | 0.270 | 0.012 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940db2e9b806d2c9dbedcf14f05b9480.png)
②由表中数据判断该反应的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e1324e1e9318481b6e7264c8595804.png)
③某温度下,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16057ce4455a2b26d490585dddc52bb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9d5619e4f45483a551d3a8d347cfaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c424e9f778fdc2a13a59898ab0ccbbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f0d9b1da87fb655eadc1c307d1cab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de96374212b9a5df820d78d10e7d1291.png)
(2)要提高
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
a.增加
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
II.
(3)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2745a80e6f48a68a6a0fa9635936a653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec09059c5da39c4d49ded937722cd3b.png)
则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44074982980cd8e0e9d474bb88195de.png)
(4)在一定条件下,发生
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601c75a9fcd5b0915c6e66fdf34abf50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee10b15238789eff8bcc496fa524cb34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674e31dbbc3c338972a2fa85d588afae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee10b15238789eff8bcc496fa524cb34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674e31dbbc3c338972a2fa85d588afae.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/ab437b1a-1100-4827-b82d-c0b75c1ee656.png?resizew=146)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674e31dbbc3c338972a2fa85d588afae.png)
②判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e76322da99c521981992a53339042c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afbfe404ad5febf1904d763974967b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e76322da99c521981992a53339042c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afbfe404ad5febf1904d763974967b3.png)
(1)一定条件下由丙烷制备丙烯有以下两种方式:
反应i:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc5b622b9aa81f27cf83397154057856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6c8dc259f7cd88ac347e9853676a07.png)
反应ii:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f18a45f4da218795bb33a74eed799f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a987fd24bde4f3c400ed34fca01c979c.png)
已知上述反应中相关的键能数据如表所示。
化学键 | ![]() | ![]() | ![]() | ![]() |
![]() | 436 | 413 | 348 | 615 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e740512b1465c0a5b16dd2c10cde3ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b2a6bc4b5ef80a57a78c144749392c.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ecf688d606ebd4992c3cac2b73f4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea69edb6a67740746042574476ec8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6f49612c7f9c750ec356a055aa700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85242e455a682eb4aa47abd6fb6af8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664aa41ab989d20e9d13587f6677a6f1.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa24a8004d0095ac9d9382113732970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9cfacb7968a59c98cb947e29187fb46.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa24a8004d0095ac9d9382113732970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bbf44099ea991d7a0538e2c3b1ec99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d06ee61e4cb925cb80f41de2564ada0.png)
(3)在一定条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a0a7e8797859917d04ff18a6a89d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc26162c39c67f6be83a209698b3409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d30f0cc116fb02cb7eb9f5d735e8bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fc7e2626bcdf7b6721d3092804a718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb0a11e0a9472eb84ccc3093815ebd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb0043a38de24056d9ec72bdc45e5e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4079003d1292898e98f11669dc3edce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf7eec0c9a7306747ba9bda979f4348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f698c40cbff0f6eeb3b25f03b46da5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a1fc3ed5d65f594b6e777b133b7b51.png)
反应iii.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aceefc43a2a183df2a428714ca00993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927e22990bf9659d8018d4c58ba5468b.png)
反应iv.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80df188d27dddaed3f38308d4968ef58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199f02881bf6f9ed8cf91f93b175e797.png)
在密闭容器中,保持投料比不变,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf876c0492ad371e2b3fa6a84acf1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d126ed010ca455e84c3019da4579ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bb36ac361315992ccccc81d2ab77599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
已知:CH2=CHCH3与H2O发生加成反应的化学方程式如下(a、b均大于0):
Ⅰ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684c64a2f0d1861781a9f37ed91b5bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b8a38a8872167b2db7c5ad5b0adaa1.png)
Ⅱ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa467cf802800f14cdb95c44102e466e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20471c695305efa7bc7d2a4c6594686.png)
“反应Ⅰ”和“反应Ⅱ”均满足范特霍夫方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a577c48fbd408ee7da2eba366e93063.png)
(2)若反应Ⅱ的熵变为△S(Ⅱ),则反应Ⅲ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab3600b205656dc15f20e76481821a7.png)
(3)由图可知“反应Ⅰ”和“反应Ⅱ”的焓变△H1
(4)若在绝热恒容容器中发生上述反应,则下列事实能说明反应达到平衡状态的是___________(填标号)。
A.容器内气体的压强不变 |
B.容器内温度不变 |
C.容器内气体的密度不再改变 |
D.容器内n(CH2=CHCH3):n(H2O)的比值不变 |
(5)①图2中表示CH3CH(OH)CH3的曲线为
②图2中CH2=CHCH3(g)的平衡转化率为
③T1℃时,反应Ⅱ的平衡常数Kp=
④若其他条件不变,T1℃时,向压强为400kPa的恒压密闭容器中,充入n(CH2=CHCH3):n(H2O)=1:1的混合气体,达到新平衡时,CH3CH(OH)CH3(g)的平衡产率将
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/3/566eea6b-c2c1-40f5-815b-a5338a9e7e4f.png?resizew=288)
(1)由上图可知,主反应在
(2)丙烷脱氢制丙烯的过程中。恒压时向原料气中掺入高温水蒸气,则 K(主反应)
(3)如图为丙烷直接脱氢法中丙烷和丙烯的平衡体积分数与温度、压强的关系(图中的压强分别为 104 Pa 和 105 Pa)。
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/3/325f549b-f391-4ac8-a7d5-52c1f33d7b99.png?resizew=345)
105 Pa 时,图中表示丙烯的曲线是
II、一定温度下,在 3.0L 密闭容器中,通入 0.10mol CH4和 0.20molNO2进行反应,CH4(g)+2NO2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
时间(t/min) | 0 | 2 | 4 | 6 | 8 | 10 |
总压强(p/kPa) | 480 | 544 | 576 | 592 | 600 | 600 |
(4)已知 4min 时容器中甲烷为 0.04mol,计算 0~4min 内 υ (NO2)=
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/3/8ff5d701-372b-4b40-8712-d06ccee76778.png?resizew=449)
(5)在一恒容密闭容器中,通入一定量 CH4和 NO2,测得在相同时间内,不同温度下,NO2 的转化率随温度的变化如图。c 点
(1)传统制备方法:乙烷催化裂解法发生的反应为:C2H6(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
①已知:298K时,相关物质的相对能量如图:
②
(2)乙烷氧化裂解制乙烯[主反应为C2H6(g)+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
①“乙烷催化裂解法”制备乙烯时,常会发生积碳反应:C2H6(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
乙烯的收率=C2H6的转化率×C2H4的选择性。
图甲:表示其它条件相同,不同温度条件下,组成相同的原料气,反应相同的时间,测得的C2H6的转化率、C2H4的选择性以及乙烯的收率与温度的关系;
图乙:表示其他条件相同,C2H6的转化率、C2H4的选择性以及乙烯的收率随原料气中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668af9151dc156c103b9588eb986a1f3.png)
用该方法制备乙烯应该选择的适宜条件为:温度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668af9151dc156c103b9588eb986a1f3.png)
(3)温度为T1℃时,将等物质的量的CO2和H2充入体积为1L的密闭容器中发生反应:CO2(g)+H2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
①实验测得:v正=k正c(CO2)·c(H2),v逆=k逆c(HCOOH),k正、k逆为速率常数。T1℃时,k正=
②温度为T2℃时,k正=1.9k逆,则T2℃时平衡压强
(4)某乙烷熔融燃料电池工作原理如下图所示:
(1)甲醇是重要的溶剂和燃料, 工业上用 CO 和 H2在一条件下制备 CH3OH 的反应为: CO(g)+2H2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
①T℃时,向容积为 2 L 的恒容密闭容器中充入 1 mol CO 和 1.2 mol H2,一段时间后达到平衡,此时 H2与CH3OH 的体积分数之比为2:5 ,该反应的平衡常数 K
②在一容积可变的密闭容器中充入一定物质的量的 CO 和 H2,测得 CO 在不同温度下的平衡转化率与压强的关系如图所示。a、b、c 三点平衡常数 K(a)、K(b)、K(c)的大小关系是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/c7552b0e-766e-4308-9351-2e0a84149e3e.png?resizew=483)
(2)沥青混凝土可作为2CO(g)+O2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
①a、b、c、d 四点中表示平衡状态的是
②e点转化率出现突变的原因可能是
(1)真空碳热还原一氧化法可实现由铝矿制备金属铝,其相关的热化学方程式如下:
Al2O3(s)+AlC13(g)+3C(s)═3AlCl(g)+3CO(g)△H=a kJ•mol﹣1
3AlCl(g)═2Al(l)+AlC13(g)△H=b kJ•mol﹣1
用含a、b的代数式表示反应:Al2O3(s)+3C(s)=2Al(l)+3CO(g)的△H=
(2)用活性炭还原法可以处理氮氧化物.某研究小组向某密闭容器中加入一定量的活性炭和NO,发生反应C(s)+2NO(g)⇌N2(g)+CO2(g)△H=Q kJ•mol﹣1.在T1℃时,反应进行到不同时间测得各物质的浓度如下(时间单位为min,浓度单位为mol/L):
![]() | 0 | 10 | 20 | 30 |
NO | 1.00 | 0.68 | 0.50 | 0.50 |
N2 | 0 | 0.16 | 0.25 | 0.25 |
CO2 | 0 | 0.16 | 0.25 | 0.25 |
①0~10min内,NO的平均反应速率v(NO)=
②30min后升高温度至T2℃,达到平衡时,容器中NO、N2、CO2的浓度之比为3:1:1,则Q
③在恒容条件下,能判断该反应一定达到化学平衡状态的依据是
a.单位时间内生成2nmolNO(g)的同时消耗nmolCO2(g)
b.反应体系的压强不再发生改变
c.混合气体的密度保持不变
d.混合气体的平均相对分子质量保持不变
④若保持与上述反应前30min的反应条件不变,起始时NO的浓度为2.50mol/L,则反应达平衡时c(NO)=
(3)直接排放煤燃烧产生的烟气会引起严重的环境问题,将燃煤产生的二氧化碳回收利用,可达到低碳排放的目的.如图是通过人工光合作用,以CO2和H2O为原料制备HCOOH和O2的原理示意图.电极b表面发生的电极反应式为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/24/8d04170c-eb3c-49a0-bc95-2cef7feb0751.png?resizew=285)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd6200aa9357b208a994c93c210ff60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9110e80d125190c4b5bed606e1fc2220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
(1)一定条件下,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ff69d7ae25730dca760db4c4798b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272d18bb44c6d73bf9aabd46660dd0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fde28724fb2d888e37a4c8da8ab2399.png)
A.混合气体的密度保持不变
B.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39208d1c3e640e796d76875beeb9fb04.png)
C.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39208d1c3e640e796d76875beeb9fb04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e762a80c1216318892c2155bef79681.png)
D.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e762a80c1216318892c2155bef79681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdde992f77a7036a2f0b21d52ddd043.png)
(2)已知反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d161dd3499293be6c3c18178c99abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5547e0098754a8e3f31bae5d5bcb4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389631267da246c29b0e00530e0559f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/3bc2eb34-c55f-4ab5-86f9-98cebc4ae8bb.png?resizew=149)
A.压强B.温度C.催化剂
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b62263154ef886f423d0ba8ec75845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54fef3fe3968e7c106ee83221f17fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2ea46ce80ea3b462ebce8cc6250af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68878d5a6d37405d8ea0cb2a61d88101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/3544007f-c3b2-49e8-b8c4-1037ba010ba2.png?resizew=144)
![]() | 0 min | 10 min | 20 min | 30 min | 40 min |
T1 | 1 mol | 0.8 mol | 0.62 mol | 0.4 mol | 0.4 mol |
T2 | 1 mol | 0.7 mol | 0.5 mol | a | a |
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa24a8004d0095ac9d9382113732970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85242e455a682eb4aa47abd6fb6af8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85242e455a682eb4aa47abd6fb6af8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f464f339e899f2045f56c699fb5908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
②若将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6e5ae09812e1d8f5c2ffb8a3020546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68878d5a6d37405d8ea0cb2a61d88101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54fef3fe3968e7c106ee83221f17fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85242e455a682eb4aa47abd6fb6af8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45b3245cb53c0956beb000098b2643e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82135893df28a76971206bb7a42eac51.png)
(1)根据下表中键能写出合成氨的热化学方程式
化学键 | H-H | O-H | N≡N | H-N |
E/(kJ·mol-1) | 436 | 465 | 946 | 391 |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/3e388101-5ce1-49b3-a31c-dfcde95db9e4.png?resizew=459)
①T1、T2、T3由大到小的排序为
②在T2、60MPa条件下,A点v正
③图2表示500 °C、60 MPa条件下,合成氨反应原料气投料比与平衡时NH3体积分数的关系。根据图中a点数据计算N2的平衡转化率为
(3)用NH3可消除NO污染,反应原理为:4NH3+6NO
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/128ef3d9-5218-4ed4-a02e-9ade2dd19bd8.png?resizew=281)
①曲线a对应的n(NH3)﹕n(NO)=
②曲线c中NO的起始浓度为4×10-4 mg/m3,从A点到B点(经过0.8 s,该时间段内NO的脱除速率
(4)用间接电化学法可对NO进行无害化处理,其原理如下图所示(质子膜允许H+和H2O通过),用离子方程式表示吸收塔内吸收NO的原理:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/d5246d37-580b-4fc2-87a4-b60ee27262bb.png?resizew=373)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750859dd7d5b821d909e6a32c11095cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc57c46d46eb0e0ed6cc408dfcf5a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2c0bef7199b1549bf1e2601546c5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a5c8a45b70251a7fa0506a5b4b8ac9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/566afeb8-5df2-45df-b8e0-74498c2efbf5.png?resizew=204)
①图中,两条曲线表示压强的关系是:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e65d10c946604e25e9955b584989199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f03b36a939858ffa5f589c46bf99f5.png)
②该反应为
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750859dd7d5b821d909e6a32c11095cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678a5ae683a2fe10ef31558b1365ba23.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de322daa655e03aa780a5659fb2b1d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2e5d20664b3b1a2deaf5488f0aa94e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76d4dda6aa565a98885393209192172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd38ecd0d1dca4aa5b852591d12d48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a4379b9369a13d09be06c4d107e15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
②保持温度仍为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de322daa655e03aa780a5659fb2b1d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
a.容器内压强不随时间改变
b.混合气体的密度不随时间改变
c.单位时间内生成
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56831e57aa3577de03d8bca56299f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6352cd330e11aa4c00417a30056e15.png)
d.混合气中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08576bf5554e1e9158bd8ff7e67e361.png)