1、To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round
2、 rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for f
3、urther promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform
4、is still the focus of this years two sessions. Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency a
5、nd raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the w
6、elfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform2013-2014学年度上学期城郊市重点联合
7、体期中考试高二年级化学试卷本卷满分为100分，考试时间为90分钟。第卷（选择题，共60分）一、单项选择题（每小题只有一个选项符合题意）1热化学方程式中化学式前面的计量数表示 A分子个数 B原子个数 C物质的质量 D物质的量2可逆反应2SO2(g)+O2(g) 2SO3(g)正在逆向进行时，正反应速率和逆反应速率的大小是 A. v正v逆 B. v正甲丁丙 B乙甲丙丁 C甲乙=丁丙 D乙甲丙=丁11、一定条件下，某反应的化学方程式为：CO2NO NO2CO ，下列说法正确的是 A升高温度，正反应速率增大，逆反应速率减少B恒温时，压缩容器的体积，颜色加深，因平衡左移C达到平衡，其平衡常数为D恒容时，
8、升高温度，混合气体的颜色加深，该反应的焓变为正值12、右图所示为800 时A、B、C三种气体在密闭容器中反应时浓度的变化，只从图上分析不能得出的结论是 K#s5uCCCAA是反应物B前2 min A的分解速率为.1molL-1min-1 C. 反应的方程式为：2A (g) 2 B(g) + C(g)D达平衡后，若升高温度，平衡向正反应方向移动13、下列不属于自发过程的是 A 铁生锈 B NaCl溶于水后的扩散 C石墨转化为金刚石 D Zn与CuSO4溶液反应14、用3g块状大理石与30mL3mol/L盐酸反应制取CO2气体，若要增大反应速率，可采取的措施是：再加入30mL3mol/L盐酸 改用
9、30mL6mol/L盐酸 改用3g粉末状大理石适当升高温度 A B C D15、2.0molPCl3和1.0molCl2充入体积不变的密闭容器中，在一定条件下发生下述反应：PCl3（g）+ Cl2（g） PCl5（g），达平衡时，PCl5为0.4mol，如果此时移走1.0 molPCl3和0.50 molCl2，在相同温度下再达平衡时PCl5的物质的量是 A.0.40mol B.0.20mol C.小于0.20mol D.大于0.20mol，小于0.40mol第卷(共40分)16、（12分）研究NO2、SO2 、CO等大气污染气体的处理具有重要意义。NO2可用水吸收，相应的化学反应方程式为_。
10、利用反应6NO2 8NH37N212 H2O也可处理NO2。当转移1.2mol电子时，消耗的NO2在标准状况下是 L。(2)已知：2SO2(g)+O2(g)2SO3(g) H=196.6 kJmol-12NO(g)+O2(g)2NO2(g) H=113.0 kJmol-1则反应NO2(g）+SO2(g)SO3(g)+NO(g)的H= kJmol-1。一定条件下，将NO2与SO2以体积比1:2置于密闭容器中发生上述反应，下列能说明反应达到平衡状态的是 。a体系压强保持不变b混合气体颜色保持不变cSO3和NO的体积比保持不变d每消耗1 mol SO3的同时生成1 molNO2测得上述反应平衡时NO
11、2与SO2体积比为1:6，则平衡常数K 。17、（14分）I合成氨工业对国民经济和社会发展具有重要的意义。其原理为：N2(g)+3H2(g) 2NH3(g) H= -92.4 kJ/mol 据此回答以下问题：（1）为了提高氨气的产率，可以选择的方法是 _ （填序号）。 升高温度 增大压强 使用催化剂 及时分离出NH3 （2）对在密闭容器中进行的可逆反应：N2(g)+3H2(g)2NH3(g)，下列哪种情况下，说明该反应已经达到化学平衡状态_。N2的正反应速率是NH3的逆反应速率的1/2 在恒容条件下，混合气体的压强保持不变N2、H2、NH3的物质的量之比为1：3：2 单位时间内每生成3mol
12、H2的同时有2mol NH3生成3mol N-N键断裂，同时有6mol N-H键断裂（3）一定条件下，NH3在固定体积的密闭容器中发生分解反应（H0）并达平衡后，仅改变下表中反应条件x，该平衡体系中随x递增y递减的是_（选填序号）。选项abcdx温度温度加入H2的物质的量加入NH3的物质的量yNH3的物质的量平衡常数KNH3的转化率生成物物质的量总和II（1）在酸性溶液中，碘酸钾(KIO3)和亚硫酸钠可发生如下反应：2IO35SO322H=I25SO42H2O生成的碘可以用淀粉溶液检验，根据反应溶液出现蓝色所需的时间来衡量该反应的速率。某同学设计实验如下表所示：0.01molL1KIO3酸性溶
13、液(含淀粉)的体积/mL0.01molL1Na2SO3溶液的体积/mLH2O的体积/mL实验温度/溶液出现蓝色时所需时间/s实验15V13525-实验2554025-实验355V20- 该实验的目的是_；表中V1=_mL. K#s5u（2）可逆反应C(s)+H2O(g) H2(g)+CO(g)，H0达到平衡后，改变某一外界条件（不改变物质的量的条件下），反应速率与时间t的关系如右图。图中t4到t6段时引起平衡移动的条件可能是 ；图中表示平衡混合物中CO的含量最高的一段时间是 。(正)(正)(逆)(正)(逆)(逆)t0t1t2t3t4t5t6t718、（14分，每空2分）I在1L容器中通入CO2
14、、H2各2mol，在一定条件下发生反应：CO2 + H2 CO + H2O，回答下列问题： （1）在830条件下，反应达到平衡时CO2的转化率为50%。求该条件下平衡常数K1=_。 （2）在（1）的基础上，把体系温度降至800。已知该条件下的平衡常数K2=0.81，可以推知该反应的正反应为_反应（填“吸热”、“放热”）。 （3）在（1）的基础上，压缩容器体积之0.5L。该条件下的平衡常数为K3。则K3_K1（4）T时，某时刻测得体系中各物质的量如下：n（CO2）=1.2mol，n（H2）=1.5mol，n（CO）=0.9mol，n（H2O）=0.9mol，则此时该反应 进行.（填“向正反应方向
15、”“向逆反应方向”或“处于平衡状态”）。II向一容积为1L 的密闭容器中加入一定量的X、Y，发生化学反应X(g)2Y(s) 2Z(g)；H0。右图是容器中X、Z的物质的量浓度随时间变化的曲线。 (1)010min 容器内气体的压强逐渐 _。 （填“变大”、“变小”或“无法确定”）(2)推测在第7min时曲线变化的原因可能是 _第13min时曲线变化的原因可能是 _（填序号）增加Z的量 增加X的量 升温 降温 使用催化剂This years two sessions of the National peoples Congress were held under the leadership o
16、f the party Central Committee to hold high the banner, to develop scientifically, to reform and innovate, and to make steady progress. Although this session of the National peoples Congress and the last session of this session of the Chinese peoples political Consultative Conference were held, they
17、were lively and fruitful. Such words as seeking progress in a steady way, reasonably anticipating, deepening reform, government responsibility, and peoples livelihood construction have become the focus of peoples attention. To sum up, the main tasks of this year are to stabilize growth, control pric
18、es, adjust structure, benefit peoples health, grasp reform and promote harmony. It is necessary to profoundly grasp the objectives, tasks, and work priorities of this years economic and social development, and earnestly unify the thinking and action with the central authorities scientific judgment of the situation. Unified to the central governments major policy-making arrangements, and the implementation of the actual work.
