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1、学习好资料欢迎下载第二章第二节化学能与电能检测题(新人教版必修二)一、选择题1、铜片和铁片用导线连接后插入稀硫酸中,铁片是A.阴极 B.正极 C.阳极 D.负极2、某原电池的总反应离子方程式为2Fe3+Fe=3Fe2+,不能实现该反应的是A.阳极为 Fe,阴极为 Cu,电解质溶液为Fe2(SO4)3溶液B.正极为 Ag,负极为 Fe,电解质溶液为CuSO4溶液C.正极为 Cu,负极为 Fe,电解质溶液为FeCl3溶液D.正极为石墨,负极为Fe,电解质溶液为Fe2(SO4)3溶液3、有 A、B、C、D四种金属,将 A 与 B用导线联结起来,浸入电解质溶液中,B不易腐蚀。将 A、D分别投入等物质的
2、量浓度盐酸中,D比A反应剧烈。将铜浸入B的盐溶液里,无明显变化,如果把铜浸入 C的溶液里,有金属C析出。据此判断它们的活动性由强到弱的顺序是A.ABCD B.DABC C.CABD D.BCAD 4、燃料电池是燃料(例如CO、H2、CH4等)跟氧气或空气起反应,将此反应的化学能转变为电能的装置,电解质溶液通常是KOH 溶液。下列关于甲烷燃料电池的说法不正确的是A.负极反应式为 CH4+10OH-8e-=CO32-+7H2O B.正极反应式为 O2+2H2O+4e-=4OH-C.随着不断放电,电解质溶液碱性不变D.甲烷燃料电池的能量利用率比甲烷燃烧的能量利用率大5、氢镍电池是一种应用广泛的可充电
3、电池,它可以取代会产生镉污染的镉镍电池。氢镍电池的总反应为。据此判断,下列叙述中正确的是 A 电池放电时,H2是正极 B 电池放电时,溶液中的阳离子移向正极 C 电池充电时,氢元素被氧化 D电池放电时,电池负极周围溶液的pH 不断增大6、当电解质溶液为氢氧化钾水溶液的氢氧燃料电池电解饱和碳酸钠溶液一段时间,假设电解时温度不变且用惰性电极,下列说法正确的是A当电池负极消耗mg 气体时,电解池阳极同时有mg 气体生成B电池的正极反应式为:O2+2H2O+4e=4OHC电解后 c(Na2CO3)不变,且溶液中有晶体析出学习好资料欢迎下载D电池中 c(KOH)不变;电池中溶液pH 变大7、如图 x、y
4、分别是直流电源的两极,通电后发现a极质量增加,b极有无色无味气体放出,符合这一情况的是:a极b极x电极b 电解质溶液A 锌石墨负极a b CuSO4B 石墨石墨负极NaOH C 银铁正极AgNO3D 铜石墨负极CuCl28、关于右图所示的原电池,下列说法正确的是A电子从锌电极通过检流计流向铜电极 B 盐桥中的阴离子向硫酸铜溶液中迁移 C 锌电极发生还原反应,铜电极发生氧化反应 D 铜电极上发生的电极反应是222HeH9、一种新型的燃料电池,它以多孔镍板为电极插入KOH 溶液中,然后分别向两极通入乙烷和氧气,其总反应为:2C2H6 7O28KOH 4K2CO3 10H2O,有关此电池的推断正确的
5、是A负极反应为 14H2O 7O2 28e 28OH 文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V
6、4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T
7、4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V
8、4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T
9、4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V
10、4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T
11、4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8学习好资料欢迎下载B放电过程中 KOH 的物质的量浓度不变C每消耗 1molC2H6,则电路上转移的电子为14mol D放电一段时间后,负极周围的pH升高10、下列装置中,电流计G中有电流通过的是11、科学家成功开发便携式固体氧化物燃料电池,它以丙烷气体为燃料。电池中的一极通入空气,另一极通入丙烷气体,电
12、解质是固态氧化物,在熔融状态下能传导O2。下列对该燃料电池的说法不正确的是A在熔融电解质中,O2 由负极移向正极B该电池的总反应是:C3H8+5O2=3CO2+4H2O C电路中每通过5mol电子,约有 5.6L 标准状况下的丙烷被完全氧化D通丙烷的电极为电池负极,发生的电极反应为:C3H8 20e+10O2=3CO2+4H2O 12、已知外电路中,电子由铜流向a极。有关下图所示的装置分析合理的一项是A该装之中 Cu 极为正极B当铜片的质量变化为12.8g 时,a极上消耗的 O2 在标准状况下的体积为 2.24L 文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8
13、文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8
14、I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8
15、文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8
16、I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8
17、文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8
18、I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8
19、文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8学习好资料欢迎下载Cb极的电极反应式:H2 2e=2H+D一段时间后锌片质量减少13、一种碳纳米管(氢气)二次电池原理如右图,该电池的电解质为6mol/LKOH溶液,下列说法正确的是()A储存 H2的碳纳米管作电池正极B放电时负极附近pH减小C放电时电池正极的电极反应为:NiO(OH)+H2O+e =Ni(OH)2+OHD放电时,电池反应为2H2+O2 2H2O 14、在理论上不能用于设计原电池的化学反应是A AAl(OH)3(s)+N
20、aOH(aq)NaAl(OH)4(aq);H0 BCH3CH2OH(l)+3O2(g)2Co2(g)+3H2O(l);H0 C4Fe(OH)2(s)+2H2O(l)+O2(g)4Fe(OH)3;H0 DH2(g)+Cl2(g)2HCl(g);H0 15、碱性电池具有容量大、放电电流大的特点,因而得到了广泛应用。锌锰碱性电池以氢氧化钾溶液为电解液,电池总反应式为:Zn(s)+2MnO2(s)+H2O(l)=Zn(OH)2(s)+Mn2O3(s)下列说法错误的是:A电池工作时,Zn失去电子B电池正极的电极反应式为:2MnO2(s)+H2O(l)+2e=Mn2O3(s)+2OH(aq)C电池工作时,
21、电子由负极通过外电路流向正极D外电路中每通过0.2mol 电子,锌的质量理论上减小1.3g 16、下列装置中,不能说明锌比铜活泼的是 A B C D 17、一种燃料电池中发生的化学反应为:在酸性溶液中甲醇与氧作用生成水和二氧化碳。该电池负极发生的反应是 A.CH3OH(g)+O2(g)=H2O(1)+CO2(g)+2H+(aq)+2e_ B.P2(g)+4H+(aq)+4e_=2H2C(1)C.CH3OH(g)+H2O(1)=CO2(g)+6H+(aq)+6e_ D.O2(g)+2H2O(1)+4e_=4OH 文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档
22、编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4
23、T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档
24、编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4
25、T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档
26、编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4
27、T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档
28、编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8学习好资料欢迎下载18、将纯锌片和纯铜片按图示方式插入同浓度的稀硫酸中一段时间,以下叙述正确的是A两烧杯中铜片表面均无气泡产生B甲中铜片是正极,乙中铜片是负极C两烧杯中溶液的pH均增大D产生气泡的速度甲比乙慢19、有一合金由 X、Y、Z、W 四种金属组成,若将合金放入盐酸中只有Z、Y能溶解;若将合金置于潮湿空气中,表面只出现Z的化合物;若将该合金做阳极,用X盐溶液作电解液,通电时四种金属都以离子形式进入溶液中,但在阴极上只析出X。这四种金属
29、的活动性顺序是 AYZW X BZ YW X C W ZYX D XYZW 20、TiO2在光照射下可使水分解:2H2O 2H2 O2,该过程类似植物的光合作用。右图是光照射下TiO2分解水的装置示意图。下列叙述正确的是A该装置可以将光能转化为电能,同时也能转化为化学能B铂电极上发生的反应为:2H 2e H2C该装置工作时,电流由TiO2电极经 R流向铂电极D该装置工作时,TiO2电极附近溶液的pH变大二、填空题文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4
30、T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3
31、V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4
32、T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3
33、V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4
34、T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3
35、V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4
36、T4E4 HE8I4T7S3G6 ZE3V4N6L5R8学习好资料欢迎下载21、铅蓄电池(原电池)工作时,总反应为:PbO2+Pb+2H2SO4=2PbSO4+2H2O由此可以判断。(1)原电池的电极材料:正极;负极。(2)电极反应式:正极PbO2+4H+SO42-+2e-=PbSO4+2H2O,负极电极反应式为。(3)工作后,蓄电池里电解质溶液的pH(填“变大”“变小”或“不变”)。理由是。负载催化剂(电极 d)催化剂(电极 c)Heeab质子交换膜22、下图是某笔记本电脑用甲醇质子交换膜燃料电池的结构示意图。甲醇在催化剂作用下提供质子和电子,电子经外电路、质子经内电路到达另一极与氧气反应,
37、电池总反应为:2CH3OH 3O2 2CO2 4H2O。则 c电极是-(填“正极”或“负极”),c电极上发生的电极反应是。文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R
38、8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE
39、8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R
40、8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE
41、8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R
42、8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE
43、8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8学习好资料欢迎下载23、已知反应 AsO43+2I+2H+AsO3+I2+H2O 是可逆反应 设计如图装置,进行下述操作:()向(B)烧杯中逐滴加入浓盐酸,发现微安培表指针偏转;()若改往(B)烧杯中滴加 40 NaOH 溶液,发现微安培
44、表指针向前述相反方向偏转试回答:(1)两次操作过程中指针为什么会发生偏转?答:。(2)两次操作过程中指针偏转方向为什么会相反?试用平衡移动原理解释此现象答:。(3)()操作过程中C1棒上发生的反应为。(4)()操作过程中C2棒上发生的反应为。参考答案一、选择题1.D 2.B 3.B 4.C 5.B 6.BC 7.A 8.A 9.C 10.D 11.A 12.B 13.BC 14.A 15.D 16.C 17.C 18.C 19.B 20.AB 二、填空题21、(1)PbO2 Pb(2)Pb-2e-+SO42-=PbSO4(3)变大,在过程中消耗了H2SO4 22、.负极;CH3OH 6e H2
45、O CO2 6H 23、(1)这是原电池,指针偏转是由于电子流过电流表;(2)(B)中加盐酸,AsO43 发生得电子反应,为正极;而当加入NaOH 后,AsO33发生失电子反应,为负极;电流方向相反。(3)2I 2e=I2;)(4)AsO33 2e+H2O=AsO43+2H+。文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文
46、档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I
47、4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文
48、档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I
49、4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文
50、档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I4T7S3G6 ZE3V4N6L5R8文档编码:CP2C9K4T4E4 HE8I