Ⅰ.利用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
ⅰ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e19526ef8f1e4ee9cdb73448c38259.png)
ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6299cce9ecb30228d41ba597f5a510e9.png)
相关物质及能量变化如图1:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/4aa05bb2-37ee-45c3-8690-d0eb496908b2.png?resizew=392)
(1)反应ⅱ的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc36e17ae25f5b5c3abdbedce82ee0ea.png)
(2)恒压条件下,当
![](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/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d39be9980d31bb63551f04f091cac8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/4/93b20e0e-ff41-4eac-adaf-9e70d8a1944d.png?resizew=307)
①220°C时,
![](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/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
②300°C后,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
③300°C时,通入
![](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/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b51ee6fe038c30ffb16019af67a9fe.png)
Ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/953edbb5-c2ab-416c-8323-48498ae7f012.png?resizew=368)
(3)①该历程中决速步骤的化学方程式是
②催化剂Au的晶胞结构如图4,若以一个Au原子为中心,其周围最多有
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/973f4457-d170-40a4-bfce-ae5ced2793ee.png?resizew=136)
相似题推荐
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
Ⅰ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61127a206e8bc4be15d6fd3472a8b52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53325a72f40f432dc0efb98ce742324.png)
Ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9e45fef598a0b94632f2d9e07b513c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17efc699b82d47cf918ce8b085cb8d31.png)
Ⅲ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fab9cdecd92848e0d8072787e14d357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d800b889e9e22aa00ec16b7f0a794.png)
回答下列问题;
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d3d85459fd9f18216c493e244e9d77.png)
(2)向起始温度为T℃的某绝热恒容密闭容器中充入2mol
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d1f1e78b8ee320c79a71d3308b8db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d1f1e78b8ee320c79a71d3308b8db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
①下列事实能说明反应Ⅲ已经达到平衡的是
A.混合气体的密度不再发生变化 B.容器内混合气体的压强不再发生变化
C.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d1f1e78b8ee320c79a71d3308b8db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98183b7becdd0efb6fe8f57cdcbce983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
②若向起始温度为T℃的该绝热恒容密闭容器中充入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98183b7becdd0efb6fe8f57cdcbce983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8957816dcba4d350e21dcdfafa8c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bce95e7894c7465f8e9aa977a266995.png)
③在有催化剂存在的条件下,反应Ⅲ的反应过程如图1所示,吸附在催化剂表面上的物种用“*”标注。该反应过程的决速步骤为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418eb6f3393f181473a32394dd8ed106.png)
△H。一定条件下,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004b191d9cb8c8883255b3966fdbed39.png)
②实际生产中,当温度选择为316℃时,采用的压强为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
(4)高温时二甲醚蒸气发生分解反应:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab97617a7cff53f85f2740ef6d79c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2911b5df158e4d9ebc46b70e00f1892.png)
t/min | 0 | 10 | 20 | 30 | 40 | 50 |
| 50.0 | 78.0 | 92.0 | 99.0 | 100 | 100 |
②500℃时,该反应的平衡常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326276f15395fb6697f1502b9a1ae5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1eab2ffd3d88c8f96c623df3c779e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8d78482ce8ff44d7142b9367df787e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
反应Ⅰ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb110fd5037f57d659e995c62956bb21.png)
反应Ⅱ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fc4c44be78d2e33cc265832ef673c4.png)
反应Ⅲ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c742dc609a42851b2d4db6c5aae165.png)
回答下列问题:
(1)已知:异丁烷、异丁烯、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1fb1e36311e2f8faaf067bb1d8bbc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e740512b1465c0a5b16dd2c10cde3ca.png)
(2)向
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6002f76cba8fc2cc0df5a4a19045194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fca7fdeadd9364c134133920856921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6f49612c7f9c750ec356a055aa700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd08a6b2038e83a698306d352bf596f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3983b7ba4aebf59d49592bbc8620f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3366d2a554591d40c83f9a7a2db83782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fc7e2626bcdf7b6721d3092804a718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb0a11e0a9472eb84ccc3093815ebd1.png)
①图中能够代表
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb0a11e0a9472eb84ccc3093815ebd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb697bffe0a9fa5d36c92aaf80c4231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28c99010b1e844cc2a9f7abc2301cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c3ff056a980ac1f943fa3d11752ab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c1ac2bdb322bd5bb2711bcb00ffca7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/6e3be1c0-e3d1-4b68-a3af-e3bb08b26718.png?resizew=181)
②温度为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa24a8004d0095ac9d9382113732970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be67926dcdcae9406c284c19b51258b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdca00e0eeccdfe4e889a4fabf697ab6.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb5c57f097a15ff38b86796763692d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f371a480c81b7840ad6e89078aa91d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b077910aae12b5b1e498713c26d692a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff19349a80467d65564cc2953f0c978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1c295fd10f4dcc21955ce39560b5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e26ee35e356fb7b4700345b48bfd96a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/c5f2fe27-9583-4dc4-9d19-351c7a31f13b.png?resizew=264)
①a点时有催化剂和无催化剂的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
②在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8293b3374832f2ee8b2c45b8b411a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41e064de00d5d19c48a788746b576e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fce720b0f4a56fa1678ce942a327185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea590e570530a89e044fa36ff769ad67.png)
(4)相比于反应Ⅱ直接脱氢,有人提出加入适量空气。采用异丁烷氧化脱氢的方法制备异丁烯,发生反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6dfe40a59050694eb7f6b4b3e06c905.png)
(5)利用电化学可以将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11de67daf00e51b72dbfb31837666450.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/06350e5b-9aa2-478c-920d-25bf659224b0.png?resizew=302)
①已知:电解效率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985d1e94bb6d8b278a67f60684f71a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11de67daf00e51b72dbfb31837666450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfea5370f22ebfdfa240fd64864bb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bf705b1c27945357a74158fa1c1a5c.png)
②研究表明,溶液
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11de67daf00e51b72dbfb31837666450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065e3dd567b4b629e3e6ad65193aa352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://img.xkw.com/dksih/QBM/2023/12/27/3398433355620352/3398465023115264/STEM/ff3bfb2143a8412e8284f0b02d5dd562.png?resizew=305)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af9243c07272a613a271735fd5cbc03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71c86dcd9a9e9b09bbbb65b9d313435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
sabatior反应:CO2(g)+4H2(g)
![](https://img.xkw.com/dksih/QBM/2017/5/25/1694808711454720/1702558476017664/STEM/03ce2dca1a044c8594aabee9dfcf6c37.png?resizew=33)
水电解反应:2H2O(l)
![](https://img.xkw.com/dksih/QBM/2017/5/25/1694808711454720/1702558476017664/STEM/03ce2dca1a044c8594aabee9dfcf6c37.png?resizew=33)
(1)将原料气按nCO2∶nH2=1:4置于密闭容器中发生Sabatier反应,测得H2O(g)的物质的量分数与温度的关系如图所示(虚线表示平衡曲线)。
![](https://img.xkw.com/dksih/QBM/2017/5/25/1694808711454720/1702558476017664/STEM/f32f72d5-e17d-4b84-a504-15bb62e5532f.png?resizew=307)
①已知H2(g)、CH4(g)的燃烧热分别为A kJ/mol、BkJ/mol, H2O(l)=H2O(g) △H =C kJ/mol。计算Sabatier反应的△H=
②温度过高或过低均不利于该反应的进行,原因是
③200℃达到平衡时体系的总压强为p,该反应平衡常数Kp的计算式为
(2)Sabatier反应在空间站运行时,下列措施能提高CO2转化效率的是
A.适当减压 B.增大催化剂的比表面积
C.反应器前段加热,后段冷却 D.提高原料气中CO2所占比例
E.合理控制反应器中气体的流速
(3) 一种新的循环利用方案是用Bosch反应CO2(g)+2H2(g)
![](https://img.xkw.com/dksih/QBM/2017/5/25/1694808711454720/1702558476017664/STEM/03ce2dca1a044c8594aabee9dfcf6c37.png?resizew=33)
在250℃,向体积为2L且带气压计的恒容密闭容器中通入0.08molH2和0.04molCO2发生Bosch 反应CO2(g)+2H2(g)
![](https://img.xkw.com/dksih/QBM/2017/5/25/1694808711454720/1702558476017664/STEM/03ce2dca1a044c8594aabee9dfcf6c37.png?resizew=33)
①若反应起始和平衡时温度相同(均为250℃),测得反应过程中压强(P)随时间(t)的变化如图I 曲线a所示,则△H
②图II是甲、乙两同学描绘上述反应平衡常数的对数值(lgK)与温度的变化关系,其中正确的曲线是
![](https://img.xkw.com/dksih/QBM/2017/5/25/1694808711454720/1702558476017664/STEM/d16d058c-bc26-4f21-b81f-3bc7da14eaee.png?resizew=766)
③Bosch反应必须在高温下才能启动,原因是
(1)CO2催化加氢制CH4是CO2的有机资源转化途径之一、
反应I:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30f1831548ab356a4ea9950dc698f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29342944ff3bdcd2e7a9dc38291a35da.png)
反应Ⅱ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c32e0dde212f70e14e64d88fb201f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0da1c3601e9f672021ead3cea59096.png)
①反应:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed50da973bd494be34cc5d922c94343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d529dd8302544058eb2930a98a7d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b2a6bc4b5ef80a57a78c144749392c.png)
②在密闭容器中,1.01×105Pa、n起始(CO2)∶n起始(H2)=1∶4时,CO2平衡转化率、在催化剂作用下反应相同时间所测得的CO2实际转化率随温度的变化如图所示。CO2的平衡转化率在600℃之后随温度升高而增大的主要原因是
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/79733347-b5f2-4b6b-a82c-1dd501862970.png?resizew=350)
(2)金属锰分解水原位还原CO2产生甲酸是CO2有机资源转化新途径。锰与水反应生成MnO与活性氢原子,MnO结合活性氢原子形成中间体Q;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5533a64f801adeabf53d192906e951.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/78212468-87a6-46b8-8541-6db72c091ebe.png?resizew=516)
①从电负性角度描述中间体Q与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5533a64f801adeabf53d192906e951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11de67daf00e51b72dbfb31837666450.png)
②实验中将锰粉、碳酸氢钠和去离子水添加到反应器中,反应一段时间后产生甲酸的速率迅速上升的原因可能是
(3)电催化还原法是CO2的有机资源化的研究热点。控制其他条件相同,将一定量的CO2通入盛有酸性溶液的电催化装置中,CO2可转化为有机物,阴极所得产物及其物质的量与电压的关系如图所示。
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/46b856ef-eed3-469c-a088-72b17a088b7c.png?resizew=284)
①电解电压为U1时,电解时转移电子的物质的量为
②电解电压为U2时,阴极由CO2生成甲醇的电极反应式为
③在实际生产中发现当pH过低时,有机物产率降低,可能的原因是
Ⅰ.电解法制氢:甲醇电解可制得H2,其原理如图所示。
Ⅱ.催化重整法制氢
(2)已知
反应1:CH3OH(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
反应2:CO(g)+H2O(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
反应3:CH3OH(g)+H2O(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
以CuOZnOAl2O3为催化剂进行甲醇重整制氢时,固定其他条件不变,改变水、甲醇的物质的量比,甲醇平衡转化率及CO选择性的影响如图所示。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef8944854d5b555519b19924059fb3d.png)
①当水、甲醇比大于0.8时,CO选择性下降的原因是
②当水、甲醇比一定时,温度升高,CO选择性有所上升,可能原因是
(3)铜基催化剂(Cu/CeO2)能高效进行甲醇重整制氢,但因原料中的杂质或发生副反应生成的物质会使催化剂失活。
①甲醇中混有少量的甲硫醇(CH3SH),重整制氢时加入ZnO可有效避免铜基催化剂失活,其原理用化学方程式表示为
②将失活的铜基催化剂分为两份,第一份直接在氢气下进行还原,第二份先在空气中高温煅烧后再进行氢气还原。结果只有第二份催化剂活性恢复。说明催化剂失活的另外可能的原因是
(4)在PtPd合金表面上甲醇与水蒸气重整反应的机理如图所示(“*”表示此微粒吸附在催化剂表面,M为反应过程中的中间产物)。
(1)近年来,我国储氢纳米碳管研究取得重大进展,用电弧法合成的碳纳米管中常伴有大量碳纳米颗粒(杂质),酸性K2Cr2O7溶液可将这种碳纳米颗粒氧化为无毒气体而除去,该反应的还原产物为Cr3+,请写出相应的离子方程式:
(2)甲醇是一种新型燃料,甲醇燃料电池即将从实验室走向工业化生产。工业上一般以CO和H2为原料合成甲醇,该反应的热化学方程式为:
CO (g) + 2H2 (g)
![](https://img.xkw.com/dksih/QBM/2017/5/23/1693422633033728/1693923326238720/STEM/9746f11f99af4f0882bd788e02dc198f.png?resizew=33)
①下列措施中可增大H2的平衡转化率的是
A.升高反应温度 B.增大体系压强
C.使用高效催化剂 D.及时将CH3OH与反应混合物分离
②向2L的恒容密闭容器中充入1mol CO和2mol H2,进行上述反应,5min后达到平衡状态,此时体系的压强变为原来的。则此段时间v(H2)=
③已知:
2CO (g) + O2 (g) 2CO2 (g) ΔH2=-566 kJ·mol-1
2H2 (g) + O2 (g) 2H2O (g) ΔH3=-484 kJ·mol-1
则气态甲醇燃烧生成CO2和水蒸气时的热化学方程式为
④在容积为1L的恒容容器中,分别研究在230℃、250℃和270℃三种温度下合成甲醇的规律。下图是上述三种温度下不同的H2和CO的起始组成比(起始时CO的物质的量均为1mol)与CO平衡转化率的关系。
请回答:
ⅰ.在上述三种温度中,曲线Z对应的温度是
ⅱ.利用图中a点对应的数据,计算出曲线Z在对应温度下
CO (g) + 2H2 (g)CH3OH (g)的平衡常数K的值为 =
(3)CO2在自然界循环时可与CaCO3反应,CaCO3是一种难溶物质,其Ksp=2.8×10-9。CaCl2溶液与Na2CO3溶液混合可形成CaCO3沉淀,现将等体积的CaCl2溶液与Na2CO3溶液混合,若Na2CO3溶液的浓度为5.6×10-5 mol/L ,则生成沉淀所需CaCl2溶液的最小浓度为
(1)与汽油、煤炭相比,氢气作为燃料的优点是:
(2)以太阳能为热源,热化学硫碘循环分解水是一种高效、环保的制氢方法,其流程图如图所示:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/2df9085f-ca10-4ae9-a5b2-ed732ec0e6b8.png?resizew=390)
相关反应的热化学方程式为
反应Ⅰ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e017bcf4503aba665d2bf97686bbb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19a5ccc04b28a03833c1438cb250426.png)
反应Ⅱ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576d6863b1a3ac29d3991b4b3d2be2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434c60f3f12e2eeb1d68ac9e2a79721b.png)
反应Ⅲ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38a50adac6b0f8efd79599a5ed5ee32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a58b646ed2a089abca68c2bb009c7ec.png)
则反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd893e04b900f3fe5aa0bed7040804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bd5ee2be851888a2f9a34eb2ed75e4.png)
(3)利用水煤气转化法制氢涉及的反应如下:
反应Ⅰ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817c7549085bec9919d0c482fe5a4c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcad0195f46c943575216eea6f66e3ee.png)
反应Ⅱ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafb99f233029b6fa031d91d5de04e4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5bad3b5aeceef065f8b6abc10ae455.png)
反应Ⅱ在不同进气比[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6462664ae94bff6b0687b2e512ad3069.png)
平衡点 | a | b | c | d |
![]() | 0.5 | 0.5 | 1 | 1 |
CO平衡转化率/% | 50 | 66.7 | 50 | 80 |
a点平衡混合物中CO的体积分数为
(4)一种“分步法电解制氢气”的装置如图。该方法制氢气分两步,第一步在惰性电极产生
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a891117e64679e097f2986bc526e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e762a80c1216318892c2155bef79681.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/7f1d29fb-39ed-4c4e-8a31-6d621c977701.png?resizew=285)
①第一步反应时,开关K应该连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e7704492116d4c017f8d436a81d287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b87dbd5e79622e181601b641fa9f99.png)
②第二步反应时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a891117e64679e097f2986bc526e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6149377ee90af173136c0119993ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94679132b75edf2fc0643e4832a1e845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e9438580f9be20006d85b3a5c36404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94679132b75edf2fc0643e4832a1e845.png)
(1)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d3c738606c861f21410654f23b5ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d92a9a01739ffe21a97e84c7c62c823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94679132b75edf2fc0643e4832a1e845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94679132b75edf2fc0643e4832a1e845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d12e7c6df1963f7716eeb7100772f4.png)
②a、b、c三点中平衡常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88951b52e016825b6645fd3baa8f5f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1222888b56858fea0224b7230db188a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b315471d2164a81ee5f2dfd9b30aee0d.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85242e455a682eb4aa47abd6fb6af8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94679132b75edf2fc0643e4832a1e845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a430bc430e866648a9ba303156a1d.png)
(2)NO氧化为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6149377ee90af173136c0119993ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2935b71bd2fe0db95d3c4f71373aa84.png)
Ⅰ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aba5b6fbf8763fd8cba4df8c7a3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf50b202db6cc626f0d093539eb4319.png)
Ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f407624a2f50eb6b1671d4f831ed6b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5bad3b5aeceef065f8b6abc10ae455.png)
在恒容的密闭容器中充入一定量的NO和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e762a80c1216318892c2155bef79681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef26aff0f91764a9f094b15ee493f73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5dbb89f0be5d12b65dff43848b1bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5dbb89f0be5d12b65dff43848b1bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef26aff0f91764a9f094b15ee493f73f.png)
(3)肼除了可作火箭的推进剂外,还可用于新型环保电池中,电池工作原理如图所示。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba67aa38857c9bcdb03161595252d74.png)
②该电池的负极反应式为
(1)1962年,化学家巴特利特合成了氙的第一个化合物
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab3774311bc27d7d592265bbde45bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04365388d22fbab87b137b94a972c1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daba454c3572abcbfb42f845527d35dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8e01a9f7da3b330f901f7b3c0f6284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab3774311bc27d7d592265bbde45bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d072177ae1481125f96741e1c53815cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef0aaf9f3442509a859fb2f9a07ca7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab3774311bc27d7d592265bbde45bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e03e3444ed461ccfb191f2090c2504e.png)
②Xe的第一电离能为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a61a74ff14b3a5122a8eac9fbdbc6a0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cbc746da5902371df8f25f76070afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f68bfee026674e7a64a726f35614081.png)
根据以上信息,计算反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec9c1d86bd726499ef9e068f08b7691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bd5ee2be851888a2f9a34eb2ed75e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b2a6bc4b5ef80a57a78c144749392c.png)
(2)不久,在三个不同实验室里又分别合成了
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4143ee865b891efcaf94aa62a18ddcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5287804eb1ae854dddf7e46960e112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed118aaa6baeebad4db251fb96d23847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004d5c84e9636ffab4f1825ea166307d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195a7dca9e2f7e7f29b46b22b17d7772.png)
已知:分压=总压×该组分物质的量分数;
对于反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5ababfc37d4988da381bbbfd2a7a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d22ebdbf7696142ef58ef5f07c199f4.png)
其中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30d928a20cc019217311673699afb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3e128772c1302c8686a7e57f076a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475391d4d87f267dc3be78cbe0312ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec731fc2c1f9ba3e56c8e958d30be41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54730271772b5e89a274a9aa7132a556.png)
标准压强平衡常数![]() 反应平衡 | ![]() | ![]() |
反应I:![]() ![]() | ![]() | 360 |
反应II:![]() ![]() | ||
反应III:![]() ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbb5d519f981a09188dc18a765e8c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73fd86f668c0558ef90ba562b0c9fc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd32a1cb71be16521ddbfec466db2593.png)
②673K时充入23.77molXe和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d196ac1c197a912d265ad1c8445096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d27a02e82e2b8d34d38692752d0c799.png)
化学式 | ![]() | ![]() | ![]() |
物质的量/mol | 3.60 | 19.80 | 0.36 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195a7dca9e2f7e7f29b46b22b17d7772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f95a31c3ae16adb7e4db9bd0886eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097cd676389d42514354447b26c60313.png)
已知:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe887a3627c20d5ebabbaa7d91b983fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad424bfa5913ae64b0cc39bf09cc8822.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005347070dffab62c10dba68c72af84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b79e6bcb2b0d1234bc06be3b5635655.png)
回答下列问题:
(1)甲醇裂解制氢的反应为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65217c122962b81a5a01107c434697ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bd5ee2be851888a2f9a34eb2ed75e4.png)
(2)一定温度下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d77fa0d542583fdc6b66e25a4e91e9.png)
(3)在一定温度下,向恒容密闭容器内通入一定量的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d1f1e78b8ee320c79a71d3308b8db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d06ee61e4cb925cb80f41de2564ada0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d06ee61e4cb925cb80f41de2564ada0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca65c0484987270649fb84e1ac60282d.png)
(4)在一定温度下,向2L恒容密闭容器中加入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc32a11ae27e343c990005143cd2d252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f5d913d20ec6243efe785f45c48bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76d4dda6aa565a98885393209192172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a5155d1331b89fa3d8e3c3c78a1551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
(5)甲醇重整制氢过程中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a92455245262fc4c1ac5ccfc7ce09d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
(6)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7af2ec4f0092da48bd2b09937769a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d1f1e78b8ee320c79a71d3308b8db0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/53a58745-b694-43d7-a9dc-92e21766c299.png?resizew=250)
催化剂
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f1fdfcd5956bff187dd8c2e3da0de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9484a7b219402bebb3fe4fd94120119a.png)
(7)已知阿伦尼乌斯公式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2dc8b5d56ec8a51d7b88c21e3a69f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7626e3b8e86ff552a758b5b159a0a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f1fdfcd5956bff187dd8c2e3da0de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9484a7b219402bebb3fe4fd94120119a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f66e3163ff771dc4ef6a6d11c18b2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f1fdfcd5956bff187dd8c2e3da0de7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/01b1bc9e-53ce-4d4f-9539-b4270c1dc4e5.png?resizew=238)
Ⅰ.氮氧化物的研究
(1)一定条件下,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37aba4ebc41bd435214114850c3b020c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab366e4f9baa95c0fb6330db973e50fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dc9768622030fbc31b7a8526404d16.png)
A.混合气体的密度保持不变 | B.NO的转化率保持不变 |
C.NO和![]() | D.![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972436fdb4a1179a0e5d7b1da9635ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689cceefc5aed24568b73c0a6910c539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013c3e51b28605a061449d6ce70b2ce7.png)
A.压强B.温度C.催化剂
根据图2中的能量变化数据,计算反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9264c26eb538d7089896cbe8991d7857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d529dd8302544058eb2930a98a7d71.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/02d423a1-e7af-4d83-bf79-dd56dd617825.png?resizew=538)
Ⅱ.碳氧化物研究
(3)图3甲为恒温恒容装置,乙为恒温恒压装置。已知CO和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750859dd7d5b821d909e6a32c11095cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd4ee6a58a9931cafc1c83cbf4ab572.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/c6d256fc-85ad-4e98-872c-9f0b7c9e1a1f.png?resizew=116)
相同温度下,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb10ab9aafa16fff95a41c3151a8dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaca885ce5f717a9bf1539084c86935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5daa606ed9bbba906ee74f2e489bbc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2982eaa1e5b7d98a9da3e4f1aa320d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6149377ee90af173136c0119993ccb.png)
(1)以漂粉精溶液为吸收剂脱除烟气中的NO,相关热化学方程式如下:
ⅰ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e437f2f1970d8167965ed5843b8120a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331e26c24591074f475867984d46d3d5.png)
ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0499ff41112a4198d5941a825191864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095b3471f9aa48a4a27866191a976d5d.png)
ⅲ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1b83d465ea6897f98eae6494837808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d800b889e9e22aa00ec16b7f0a794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d3d85459fd9f18216c493e244e9d77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b2a6bc4b5ef80a57a78c144749392c.png)
(2)2.00g甲烷气体完全燃烧,生成
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98183b7becdd0efb6fe8f57cdcbce983.png)
Ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7249101cd09bc2d1370be4926ee787c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c523e50f790218235eae777f95a8a724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f38fca128166c992fb0b729e198419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2ee0033dae8eb5a470a2b204384a6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdde992f77a7036a2f0b21d52ddd043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f65f09c69fda8dec4e5f646392b6fff.png)
(3)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e762a80c1216318892c2155bef79681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd6200aa9357b208a994c93c210ff60.png)
(4)写出该反应的化学平衡常数表达式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b51ee6fe038c30ffb16019af67a9fe.png)
(5)若不改变反应温度和反应物中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd6200aa9357b208a994c93c210ff60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd6200aa9357b208a994c93c210ff60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e762a80c1216318892c2155bef79681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7c457a4fe4585178e9e316f3ae38f6.png)
(6)若保持体系温度、体积不变,若往相同的密闭容器中加入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afb637cdadd31f460ea8f5868acaeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92e5c97c21074b889a05e7228faab65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eca8acf5600193c8e334617b884ce1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdde992f77a7036a2f0b21d52ddd043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7c457a4fe4585178e9e316f3ae38f6.png)