[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-s0oF9nVvyGTMY_J9jAYMnU0gXbuTcCNrQP3ih7fY1s":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2023-11-27 12:00:31",108984511,[8,9,10,11],"丹尼尔电池","饱和甘汞电极","银电极","Westen电池",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},24,"e13b62e2bd847d340b1df9314e33d8d5","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb3765ace1bd03bb111ee07036c31fd27.jpg","物理化学实验（周一）-2023-2024学年第一学期","b9341975e13245c587a3ac186ee80528","电动势测定与应用(预习测试)","以下电池中,通常可以作为标准电池的是( )",[21,33,43,52,61,70,76,86,89,98],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2023-11-27 12:00:30",108984503,[26,27,28,29],"KCl (饱和)","NH4Cl","NH4NO3","NaCl","在测定 Ag│AgNO3(m) 的电极电势时,在盐桥中 ( ) 电解质是可以采用的","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2023-11-27 12:01:57",108984504,[38,39,40,41],"减少标准电池的损耗","在接近可逆情况下测定电池的电动势","消除电极上的副反应","简便易测","用补偿法测可逆电池电动势,主要为了: ( )",{"answer":44,"createTime":23,"id":45,"options":46,"question":51,"source":31,"type":32},[],108984505,[47,48,49,50],"K+, Cl- 的电荷数相同,电性相反","K+, Cl- 的核电荷数相近","K+, Cl- 的迁移数相近","K+, Cl- 的核外电子构型相同","多数情况下, 降低液体接界电位采用KCl盐桥, 这是因为 ( )",{"answer":53,"createTime":23,"id":54,"options":55,"question":60,"source":31,"type":32},[],108984506,[56,57,58,59],"电流计","电压表","电位差计","万用表","测量电池的电动势应使用( )",{"answer":62,"createTime":23,"id":63,"options":64,"question":69,"source":31,"type":32},[],108984507,[65,66,67,68],"硝酸钾饱和溶液","氯化钾饱和溶液","甘汞饱和溶液","氯化钠饱和溶液","饱和甘汞电极的&quot;饱和&quot;是指 ( )",{"answer":71,"createTime":23,"id":72,"options":73,"question":75,"source":31,"type":32},[],108984509,[58,9,10,74],"醌氢醌电极","在电动势法测定饱和甘汞电极与银电极组成的电池及饱和甘汞电极与醌氢醌电极组成的电池的电动势时,如果测量都按规程进行操作,却误差较大,你首先怀疑会是哪一个仪器要作检查( )",{"answer":77,"createTime":78,"id":79,"options":80,"question":85,"source":31,"type":32},[],"2023-11-27 12:01:58",108984510,[81,82,83,84],"这些要求都对","盐桥电解质溶液中的正负离子的迁移速率应该极其接近","盐桥电解质不能与两端电极溶液发生化学反应","盐桥电解质溶液的浓度通常要很高,甚至达到饱和","作为盐桥使用的电解质有什么要求?( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":31,"type":32},[],108984512,[93,94,95,96],"正极","负极","正极负极都有","辅助电极","在本实验中,饱和甘汞电极是充当( )",{"answer":99,"createTime":78,"id":100,"options":101,"question":106,"source":31,"type":32},[],108984514,[102,103,104,105],"①④②③","①②④③","①③④②","③②①④","测量电池的电动势正确的顺序应是( ). ① 接好电源预热,用&quot;内标&quot;检验标定 ② 调节补偿旋钮,使&quot;检零指示&quot;数值为零 ③ 连接好正负极,将测量旋钮置于&quot;测量&quot;,补偿旋钮逆时针旋到底 ④ 调节100-104五个旋钮使&quot;检零指示&quot;数值为负,且绝对值最小"]