[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJ_vsSK8pWHcP3zOFLxhJALmbmhyt9x4UU1PShh0efUc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-04-06 23:46:49",136815095,[8,9,10,11],"定温\u002F用于对外做功","绝热\u002F用于增加系统内能","定压\u002F用于增加系统内能和对外放热","定容\u002F用于增加系统内能和对外作功",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},11,"0988b80ff78212ea741d19fad8acfc26","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fae191d8e6f1a3cdeb63d57e1d9cdbd36.jpg","热力学","work_33966461","第三次作业","理想气体过程方程pV^n=常数,当n=k 时,该过程为( )过程,外界对工质做的功( )",[21,33,42,51,60,69,78,87,90,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-13 14:53:17",136815088,[26,27,28,29],"75%","25%","68%","32%","工作在200℃和50℃两热源间的卡诺热机效率为( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],136815089,[37,38,39,40],"2","1","0","k","在定温过程中,技术功是膨胀功的( )倍",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],136815090,[46,47,48,49],"· 热量不可能全部转化为功量","· 不可能从单一热源吸热做功而不引起其它变化","热量不可能自发地从低温物体传向高温物体","第二类永动机是不可能造成的","关于热力学第二定律下列说法错误的是( )",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],136815091,[55,56,57,58],"不可能的","不能确定","可逆的","不可逆的","某制冷机在热源T1= 300 K,及冷源T2= 250 K之间工作,其制冷量为1000 KJ,消耗功为250 KJ,此制冷机是( )",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],136815092,[64,65,66,67],"540.2 kJ","490 kJ","296.4 kJ","54.6 kJ","有1 kg氮气,其cv0= 0.741 kJ\u002F(kg·K),若在定容条件下受热,温度由100 ℃升高到500 ℃,该过程中氮所吸收的热量为( )",{"answer":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],136815093,[73,74,75,76],"错;错;错","错;错;对","对;错;错","对;错;对","试判断下列各种说法是否正确:( )(1)定容过程即无膨胀(或压缩)功的过程;(2)绝热过程即定熵过程;(3)多变过程即任意过程",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":31,"type":32},[],136815094,[82,83,84,85],"气体放热,温度升高","气体吸热,温度升高","气体绝热压缩,温度降低","气体绝热膨胀,温度降低","对于一定质量的理想气体,不可能发生的过程是( )",{"answer":88,"createTime":5,"id":6,"options":89,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":31,"type":32},[],136815096,[94,95,96,97],"小于0","等于0","不定","大于0","系统经不可逆绝热过程后,其熵变ΔS12( )",{"answer":100,"createTime":23,"id":101,"options":102,"question":107,"source":31,"type":32},[],136815097,[103,104,105,106],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd666c14b8e042161270b2186cb35215c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb307943cc7124dd8d060ba37596112c9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F10b5f56ffd54c22e8c53433fe6eb3e80.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdbe1789ed8a9e9740bb8f9cae0c5d0d9.png\">","n=1.6的空气膨胀过程,功和热量的正负( )"]