[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2lUHc9nK0Lz663TvljmNoq1tw7_0fRDU041xMMJMpo8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-08 07:02:05",14938135,[8,9,10,11],"1","1\u002F2","2\u002F3","1\u002F3",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000009151","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd78b1523b536e42a309219bd98181f4.jpg","物理化学简明教程","8162277","第三章单元测试","已知373K时液体A的饱和蒸气压为105Pa,液体B的饱和蒸气压为0.5´105Pa.设A和B构成理想溶液,则当A在溶液中的摩尔分数为0.5时,在气相中A的摩尔分数为( )",[20,31,40,49,58,67,76,85,94,102],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],14937773,[24,25,26,27],"增大","减小","不变","不确定","在某温度下,当B溶解于A中形成溶液时,若纯B的摩尔体积大于溶液中B的偏摩尔体积时,(设B的偏摩尔体积大于零),若增加压力则B在A中的溶解度将( )","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],14937863,[35,36,37,38],"A杯水减少,B杯水满后不再变化","A杯水减少至空杯,B杯水满后溢出","B杯水减少,A杯水满后不再变化","B杯水减少至空杯,A杯水满后溢出","一封闭钟罩中放一杯纯水A和一杯糖水B,静置足够长时间后发现( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],14937911,[44,45,46,47],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff99e2166a3564bae0e67e588570e24b7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2f4156a14635fbd56391813e188e74a8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdd357cb5c35db1499ff231be8c631352.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd24a7097d53d5499c249e2fe1bbe91c8.png\">","在温度T时,纯液体A的饱和蒸气压为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb831c14e879ec85fc5def6b12cd709fc.png\">,化学势为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3d8bd86fd370b5d7b4c3865d19eeb0c3.png\">,并且已知在101325Pa压力下的凝固点为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F70926930bf7bb94565b35a485ecfdcb2.png\">,当A中溶入少量与A不形成固态溶液的溶质而成为稀溶液时,上述三物理量分别为pA,mA,Tf,它们之间的大小关系为( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],14937927,[53,54,55,56],"溶液中A和B的活度不变","溶液中A和B的标准化学势不变","溶液中A和B的活度因子不变","溶液中A和B的化学势值不变","在等温、等压下,溶剂A和溶质B形成一定浓度的稀溶液,采用不同浓度表示的话,则( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":29,"type":30},[],14937977,[62,63,64,65],"TA升高,TB升高","TA升高,TB降低","TA降低,TB升高","TA降低,TB降低","烧杯A中装有0.1kg,273K的水,烧杯B中装有0.1kg,273K的冰水混合物(其中0.05kg水和0.05kg冰),用滴管向两烧杯中分别滴入数滴浓H2SO4,则两烧杯中水的温度变化将是( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":29,"type":30},[],14938004,[71,72,73,74],"DTf >DTb","DTf =DTb","DTf <DTb","无确定关系","有一稀溶液质量摩尔浓度为 m,沸点升高值为DTb ,凝固点降低值为DTf ,则( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":29,"type":30},[],14938067,[80,81,82,83],"Al2(SO4)3","MgSO4","K2SO4","C6H5SO3H","有四杯含不同溶质相同质量摩尔浓度(m=1mol×kg-1)的水溶液,分别测定其沸点,沸点升高最多的是( )",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":29,"type":30},[],14938094,[89,90,91,92],"25.5mol","28.6mol","96mol","72.5mol","273.15K,101325Pa下,1dm3水中能溶解49mol氧或23.5mol氮,在标准情况下,1dm3水中能溶解的空气的量为( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":101,"source":29,"type":30},[],14938105,[98,99,100,74],"m(l)>m(s)","m(l)=m(s)","m(l)<m(s)","温度为273K,压力为1×106Pa下液态水和固态水的化学势m(l)和m(s)之间的关系为( )",{"answer":103,"createTime":5,"id":6,"options":104,"question":18,"source":29,"type":30},[],[8,9,10,11]]