①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8222959844764513fa5878335a093bd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47fc966891db00df70880e81fc7b011.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c24cfe46ebf28c242c9cd60a9e2ea6a.png)
回答下列问题:
(1)反应3H2(g)+3CO(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a750b7c5269f03752e465dc98ed7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b2a6bc4b5ef80a57a78c144749392c.png)
(2)恒温恒容条件下反应②达到平衡后,下列措施能提高CH3OH的转化率的有
A.加入CH3OH(g) B.升高温度 C.增大压强 D.移出H2O(g) E.使用催化剂
(3)下列能说明反应3H2(g)+3CO(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
A.H2和CO2的速率之比为3:1
B.单位时间内断裂3个H—H键的同时生成2个C=O键
C.恒温恒压条件下,混合气体的密度保持不变
D.恒温恒压条件下,混合气体的平均摩尔质量保持不变
E.绝热体系中,体系的温度保持不变
(4)一定量的CO2与足量碳在容积可变的恒压密闭容器中发生反应C(s)+CO2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2468403b3eba9e40bfa36f464e927738.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/51d0ce7c-4bc3-435a-be78-5fc0c04adb7c.png?resizew=343)
①反应的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a750b7c5269f03752e465dc98ed7d1.png)
②650℃时,反应达到平衡后CO2的转化率为
③T℃时,用平衡分压代替平衡浓度表示的化学平衡常数Kp=
相似题推荐
(1)已知:Fe2O3(s)+3C(s)=2Fe(s)+3CO(g)ΔH1=a kJ·mol-1
CO(g)+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
4Fe(s)+3O2(g)=2Fe2O3(s) ΔH3=c kJ·mol-1
则C的燃烧热ΔH=
(2)①依据原电池的构成原理,下列化学反应在理论上可以设计成原电池的是
A.C(s)+CO2(g)=2CO(g)
B.NaOH(aq)+HCl(aq)=NaCl(aq)+H2O(l)
C.2H2O(l)=2H2(g)+O2(g)
D.2CO(g)+O2(g)=2CO2(g)
②若以熔融的K2CO3与CO2为反应的环境,依据所选反应设计成一个原电池,请写出该原电池的负极反应:
(3)某实验小组模拟工业合成氨反应N2(g)+3H2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60105ecbf796c46d1d0c3f6f53e31b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb3149ce197a121abf124c0ca1ee236.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/9/a5dec6b9-4219-4745-a29e-caf9d2a86010.png?resizew=311)
请回答下列问题:
①反应达平衡的标志是
A.压强保持不变
B.气体密度保持不变
C.NH3的生成速率是N2的生成速率的2倍
②0~2 min内,以c(N2)变化表示的平均反应速率为
③欲提高N2的转化率,可采取的措施有
A.向体系中按体积比1∶1再充入N2和H2
B.分离出NH3
C.升高温度
D.充入氦气使压强增大
E.加入一定量的N2
(4)25℃时,BaCO3和BaSO4的溶度积常数分别是8×10-9和1×10-10,某含有BaCO3沉淀的悬浊液中,c(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a118039adc103ca846ebbf036a2ba3.png)
(1)用CO2和H2可以合成二甲醚(CH3OCH3)。
已知:CO(g)+2H2(g)=CH3OH(g) ΔH1=-90.1 kJ·mol-1
CO(g)+H2O(g)=CO2(g)+H2(g) ΔH2=-41.1 kJ·mol-1
2CH3OH(g)=CH3OCH3(g)+H2O(g) ΔH3=-24.5 kJ·mol-1
则反应2CO2(g)+6H2(g)=CH3OCH3(g)+3H2O(g)ΔH=
(2)二甲醚(CH3OCH3)燃料电池可以提升能量利用率。利用二甲醚酸性介质燃料电池电解200 mL饱和食盐水(惰性电极),一段时间后,阴极收集到标况下的氢气2.24 L(设电解后溶液体积不变)。
①二甲醚燃料电池的正极反应式为:
②请写出电解食盐水的化学方程式:
③电解后溶液的c(OH-)=
(1)新型Zn-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6149377ee90af173136c0119993ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6149377ee90af173136c0119993ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8765900eac71688450fcd150f35b15ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8765900eac71688450fcd150f35b15ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884c09b4899a679ebd753eb2bf3d7143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6803c4c03838570ec51ea8a9f4d7464e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4e964bf7eda78f713b6d7501476a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5c0d31122251a9bfd51aebb1c18387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601db081e72b5b885a20a3f10b05afbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7b41e087a487f48224f5d9ce306a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b2a6bc4b5ef80a57a78c144749392c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee51ff7eef397c65c9cda6a9934be044.png)
(3)在合成氨工业中,原料气在进入合成塔前需用铜氨液除去其中的CO,其反应为:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e463716714c93dd37ba30f6b038a6cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb04507f754df650dd48e6ff330d9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbf6cae84df5217746037ec7cae6c7c.png)
(4)在不同压强下,氮气、氢气以1∶3的体积比通入,反应达平衡时氨的体积分数与温度的计算结果如图所示,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f2388a7335b46f58a4f1a0bf1c6309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556baf8adccb245c8f288d7a5c3da55d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e74f5d2716172d144336dd9820fb5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89ad16ea72f13c01ead5de1c3e48202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5e5bbf5e56f4adcd567558a1c37948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a430bc430e866648a9ba303156a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a0098f406d67622f4d8d50cfcacba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef08cdd865d33e01bb8c8a81abe34c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb04507f754df650dd48e6ff330d9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5547e0098754a8e3f31bae5d5bcb4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5547e0098754a8e3f31bae5d5bcb4dd.png)
A.温度越高,反应速率一定越快
B.氨化脱硝反应中氨氮物质的量之比越大,脱销效率越高
C.使用催化剂,可降低反应的活化能,加快反应速率,提高平衡产率
D.M点对应的速率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8dbd0dc06276083573d82218524e0d.png)
②分析420℃的脱硝效率低于390℃的脱硝效率可能的原因
![](https://img.xkw.com/dksih/QBM/2022/5/7/2974152622063616/2975124463280128/STEM/0516b50c-f821-4b71-91b3-c2d2702d72ed.png?resizew=593)
已知(i)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6e5f959cabdbc7b87def4bd8ee4ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfaaf2fffed8b73b9f51f84f313dce41.png)
(ii)上述溶剂萃取法(利用萃取剂HR对杂质离子的特殊选择性)与化学净化除杂法(采用分步沉淀法逐一分离杂质离子)
除杂效果对比如下表
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
化学净化法浸出率/% | 99.7 | 99.74 | 97.85 | 97.97 | 96.87 | 6.1 |
溶剂萃取法浸出率/% | 99.54 | 99.39 | 99.21 | 97.89 | 97.07 | 3.3 |
A.紫红色 B.紫色 C.黄色
(2)为提高“焙烧”效率,常采取的措施是
(3)操作1用到的主要玻璃仪器有烧杯、
(4)萃取剂的浓度对萃取率的影响如下图所示,则选择萃取剂浓度为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4d9129b79ac985bc46c88b092aeb02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4298cb837170c021b9f2cd4e674a6a3.png)
![](https://img.xkw.com/dksih/QBM/2022/5/7/2974152622063616/2975124463280128/STEM/de45a04b-0ad9-48ad-a2ab-c4276bca38e3.png?resizew=356)
(5)“碳化反应”的化学反应方程式
(6)由除杂效果分析,溶剂萃取法相对于化学净化除杂法的优势为
【推荐2】氮化镓(GaN)是一种重要的半导体材料。某工厂利用铝土矿(成分为Al2O3、Ga2O3、Fe2O3等)为原料制备GaN的流程如下图所示:
已知:镓与铝同主族,镓的熔点是29.8°C,沸点是2403°C;其氧化物和氢氧化物均为两性化合物;氢氧化物的电离常数如下:
两性氢氧化物 | Al( OH)3 | Ga( OH)3 |
酸式电离常数Ka | 2×10-11 | 1×10-7 |
碱式电离常数Kb | 1.3×10-33 | 1.4×10-34 |
回答下列问题:
(1)为了提高 “碱溶”效率应采用的措施是
(2)滤渣1的成分是
(3)滤液2中通入过量CO2的理由是
(4)流程中利用镓与NH3在1000℃反应生成固体半导体材料 GaN,每生成l molGaN时放出15. 45 kJ热量,写出该反应的热化学方程式
(5)在密闭容器中,充入一定量的Ga与NH3发生反应 ,测得反应平衡体系中NH3的体积分数与压强 P和温度T 的关系曲线如下图所示。图中A 点和C点化学平衡常数的大小关系: KA
(6)已知铝土矿中Ga2O3的质量分数为 a%,某工厂使用 w 吨铝土矿经过一系列反应, 反应过程中镓元素的总利用率为 b%能制得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f17297e23f4c91bb5ac191572ef3e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f17297e23f4c91bb5ac191572ef3e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/4dd7c2e0-9823-4d20-8ac5-7c8d35fff150.png?resizew=434)
已知:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c961ccb8e6c2281c44843d40df522d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f17297e23f4c91bb5ac191572ef3e9.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b727a0e999eb425a28214e9eed349a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c285a06e412a47741f38a451aeb06fe0.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6748c323a2be89189ce48ccde5a5de4.png)
回答下列问题:
(1)通入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689cceefc5aed24568b73c0a6910c539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c961ccb8e6c2281c44843d40df522d.png)
(2)充分反应后,取B中固体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793d4299ba29f871d4ba915d59c6eccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2fe6a5664a7b2b32f45bae85498008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f17297e23f4c91bb5ac191572ef3e9.png)
(3)取B中少量固体产物于试管中,加入足量稀硫酸;继续滴加过量浓氨水,溶液变为深蓝色;一段时间后,溶液颜色逐渐变浅;再加入过量铜粉,久置溶液变为无色。
①取两份等体积的深蓝色溶液于试管中,分别加入等量的水和稀硫酸,观察到现象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b727a0e999eb425a28214e9eed349a04.png)
②小组同学猜测最后无色溶液成份为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c285a06e412a47741f38a451aeb06fe0.png)
(1)请结合下列数据分析,工业上选用氮气与氢气反应固氮,而没有选用氮气和氧气反应固氮的原因是
序号 | 化学反应 | K(298K)的数值 |
① | ![]() | ![]() |
② | ![]() | ![]() |
(2)合成氨的反应原理为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e91778fa94055d80a04917bf5350ac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5547e0098754a8e3f31bae5d5bcb4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe2066525aa0616cf44d051d57bf713.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/94536b31-9f9d-48d3-b93c-af1ebb8affff.png?resizew=224)
①根据上图,计算从反应开始到平衡时,平均反应速率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbcb44a11bda6bae439ce6758c50d15.png)
②平衡时测得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5547e0098754a8e3f31bae5d5bcb4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf78a8d8145e16b674abc850209ca06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b51ee6fe038c30ffb16019af67a9fe.png)
(3)对于反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e91778fa94055d80a04917bf5350ac0.png)
温度/℃ | 压强/MPa | 氨的平衡含量 |
200 | 10 | 81.5% |
550 | 10 | 8.25% |
②其他条件不变时,温度升高,氨的平衡含量减小的原因是
③哈伯选用的条件是550℃、10MPa,而非200℃、10MPa,可能的原因是
(1)以上四个反应的平衡常数随温度变化的关系如图所示:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26054bdb136bc2e874a6a6cb2b8e34b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78294b7f8c4a928d064546b6ac181fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d5cede8b2d5ca98149694bf966dad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbb5d519f981a09188dc18a765e8c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3396e9e066adc1d6e03779938058a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d800b889e9e22aa00ec16b7f0a794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbb5d519f981a09188dc18a765e8c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be7ae19338f223a1d69072ada19cc45.png)
A.<-1 B.-1~0 C.0~1 D.>1
(2)650K,以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2954ad8a04d92c7a74fb1042bca3e4b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0212722e4e4b2b8bc4a4eaf3d14d50a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda3fde8c045fc7142acca0ac2161afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c0ccf4828426586928f00f3f862f91.png)
②其他条件不变,若增大
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2fc810330774437dc995c7b2dbd849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75eaf80addb451940a9d2c201e9dbc3.png)
③当压强
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490bba8fca9c05324d3ea6bc0a1ab73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644a7769a5fa1bdab46cc0b2dee2861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45f7b5a87349d5f383beeab0af1e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d5cede8b2d5ca98149694bf966dad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326276f15395fb6697f1502b9a1ae5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282ead3dc1308c81e5479c39cafa6db.png)
(1)NO、NO2体积比为1:1可被NaOH溶液恰好吸收,该反应的化学方程式为
(2)CO在一定条件下可与H2发生如下反应:CO(g)+3H2(g)=CH4(g)+H2O(g)△H=-944 kJ/mol
化学键 | C≡O | C-H | O-H | H-H |
键能/kJ·mol-1 | x | 413 | 463 | 436 |
则x=
(3)某研究小组用NaOH溶液吸收尾气中的SO2,将得到的Na2SO3溶液进行电解,其中阴、阳膜组合电解装置如图一所示,电极材料为石墨。
①a表示
②阳极的电极反应式为
![](https://img.xkw.com/dksih/QBM/2020/9/5/2543329528217600/2543770940063744/STEM/7ecf52a7-4d5c-4017-9a71-55b118919473.png?resizew=207)
![](https://img.xkw.com/dksih/QBM/2020/9/5/2543329528217600/2543770940063744/STEM/7a38f88f-1798-41eb-95e5-e0285d8c3d95.png?resizew=295)
(4)SO2经过净化后与空气混合进行催化氧化可制取硫酸,其中SO2发生催化氧化的反应为2SO2(g)+O2(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98feedde5546db26eb490641ba3a817.png)
①图中A点时,SO2的转化率为
②在其他条件不变的情况下,测得T2时压强的变化曲线如图二所示,则C点的正反应速率vC(正)与A点的逆反应速率vA(逆)的大小关系为vC(正)
③图中B点的压强平衡常数Kp=
(1)在一定温度下,氧化铁可以与一氧化碳发生反应:Fe2O3(s)+3CO(g)
![](https://img.xkw.com/dksih/QBM/2017/12/27/1847381503787008/1848179273367552/STEM/6fbea6e6a65e4da19a31257208ee3b56.png?resizew=35)
温度/℃ | 1 000 | 1 150 | 1 300 |
平衡常数 | 64.0 | 50.7 | 42.9 |
①该反应的平衡常数表达式K=
②欲提高反应中CO的平衡转化率,可采取的措施是
A.减少Fe的量 B.加入合适的催化剂
C.增大容器的体积 D.降低反应的温度
③在一个容积为1 L的密闭容器中,1000 ℃时加入Fe2O3、CO各2 mol,反应经过10 min后达到平衡。求该时间范围内反应的平均反应速率v(CO)=
(2)饱和Mg(OH)2溶液中滴加FeCl3溶液,产生红褐色沉淀, 反应的离子方程式是
(3)已知:2Fe(s)+3/2O2(g)=Fe2O3(s) △H=−824 kJ·mol-1、2Al(s)+3/2O2(g)=Al2O3(s) △H=−1675.7 kJ·mol-1。则铝与Fe2O3发生反应生成Al2O3和Fe的热化学方程式为 :
请回答下列问题:
(1)煤的气化的主要化学反应方程式为:
(2)煤的气化过程中产生的有害气体H2S用Na2CO3溶液吸收,生成两种酸式盐,该反应的化学方程式为:
(3)利用水煤气合成二甲醚的三步反应如下:
① 2H2(g) + CO(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
② 2CH3OH(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
③ CO(g) + H2O(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
总反应:3H2(g) + 3CO(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
一定条件下的密闭容器中,该总反应达到平衡,要提高CO的转化率,可以采取的措施是
a.高温高压 b.加入催化剂 c.减少CO2的浓度
d.增加CO的浓度 e.分离出二甲醚
(4)已知反应②2CH3OH(g)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4ac184aef047428370bf877105fa50.png)
物质 | CH3OH | CH3OCH3 | H2O |
浓度/(mol·L-1) | 0.44 | 0.6 | 0.6 |
① 比较此时正、逆反应速率的大小:v正
② 若加入CH3OH后,经10 min反应达到平衡,此时c(CH3OH) =
(1)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3e4c6bbe2ad83ae9e833820fa404b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34203879f9b8b650fc6c64595e516f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689a863db8445c55d7eb50f6b045282e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/4fa047f7-8f94-4a73-bfa1-8ed45bcb3893.png?resizew=216)
反应
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503860865e8df78e704c8255486e0676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c27239b6af9108bdfa181afc24c12ae.png)
(2)某工业烟气中含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a279ff0ef6317daf8a055aaaf39e6149.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/d04559ef-aeb7-4020-b191-752ece11ab88.png?resizew=244)
反应塔中涉及如下反应(忽略
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a6c15428939414834c004df67176f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4fb62d809cb43c9db4996658a310d4.png)
Ⅰ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3c328b404d2f03d27818551b82a09f.png)
Ⅱ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285ddde577d1af1fb187e0a2e970e9d5.png)
Ⅲ.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0c09e763865684c09bc81272937cab.png)
①恒温恒容条件下,反应塔中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a7c7f90288f0adba2b3914e99b2401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae4d3ed12f6bff03015b1131f600f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bcc016f5e6b857f0bf97c43b1d6b96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90dada1aaa7fc627ac13037050d11fb.png)
②保持反应塔中起始浓度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a7c7f90288f0adba2b3914e99b2401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5f5edd7b433b06f33f7447acf93804.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/f6e41ba8-d64e-48f1-a32e-07d94893a361.png?resizew=205)
表示脱硫率的曲线是
③在某恒容密闭容器中充入一定量的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b2e269f6f9b7a6db8d0f96816086b7.png)
a.升高温度,化学反应速率加快
b.容器中混合气体的密度不变说明反应达到平衡状态
c.容器中混合气体的压强不变说明反应达到平衡状态
d.容器中混合气体的颜色不变说明反应达到平衡状态
e.缩小容器的容积,压强增大,脱硝率和脱硫率均不变