[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fduX3e2jsbeOhI6Gp-ts-RZUyFeYPM3kvIRXt-vtwnGM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-07-02 23:28:41",157170916,[8,9,10,11],"增大反应时间,以增加反应的转化率,从而提高反应的选择性","提高关键组分的初始浓度,以提高反应的选择性","提高单程转化率,从而能够提高反应的选择性","反应和分离结合,以提高反应的选择性",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},29,"b68fdc29ac8ab5e3f09551d503fba5e9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F721e27fba0ce9fd31097606d2e736c40.png","化学反应工程2022级精细化工专科","exam_124207334","第二章测验题","对于均相串联反应,可通过( )能够提高反应的选择率",[21,33,42,51,60,63,72,81,90,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-07-02 23:28:40",157170892,[26,27,28,29],"降低反应温度","提高反应温度","降低反应压力","提高反应压力","对于可逆吸热反应,为提高反应速率应( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],157170896,[37,38,39,40],"在刚性容器中进行的气相反应属于变容反应","恒温、恒压变摩尔数的气相反应属于变容反应","气相反应都是变容反应","温度、压力条件变化范围不大的液相反应可视为恒容反应","关于恒容反应和变容反应,以下说法正确的是( )",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],157170903,[46,47,48,49],"低;高","低;低","高;高","高;低","各种操作因素对于复杂反应的影响虽然各不相同,但通常温度升高有利于活化能 的反应的选择性,反应物浓度降低有利于反应级数 的反应的选择性.( )",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],157170911,[55,56,57,58],"物理吸附是多层吸附,吸附速率较慢,脱附不容易,是不可逆的","物理吸附一般在低温下进行,吸附量随着温度的升高而迅速增大","物理吸附的引力是分子引力,不是所有气体都可以被固体吸附,具有选择性","物理吸附在催化反应过程中不起多大作用,可以忽略不计","下面关于物理吸附说法正确的是.( )",{"answer":61,"createTime":5,"id":6,"options":62,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],157170923,[67,68,69,70],"当浓度一定时,温度对瞬时选择性的影响不取决于主副反应活化能的相对大小","利用催化剂的定向作用,可使副反应加速而抑制主反应","主反应的活化能>副反应的活化能时,温度越高,反应的瞬时选择性越小","当副反应的活化能>主反应的活化能时,温度升高,瞬时选择性降低","下面对于平行反应说法正确的是( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":31,"type":32},[],157170932,[76,77,78,79],"化学吸附是单分子层吸附,且吸附热较小,与化学反应热同一数量级","化学吸附是固体表面与吸附分子间的化学键力所造成,所有的气体都能被吸附","化学吸附一般在高温下进行,吸附速率随温度的升高而减小","化学吸附使被吸附的分子结构发生变化,降低了反应的活化能,从而加快了反应速率,起到催化作用","下面关于化学吸附说法正确的是.( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":31,"type":32},[],157170940,[85,86,87,88],"–1","3","1","2","气相反应2A + B → 3P + S进料时无惰性气体,A与B以3∶2摩尔比进料,则B的膨胀因子=( )",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":31,"type":32},[],157170944,[94,95,96,97],"可逆吸热反应的速率总是随着温度的升高而减小","可逆吸热反应的速率总是随着温度的升高而增加","可逆吸热反应的速率不随随着温度变化","可逆吸热反应的速率总是随着温度的降低而增加","下面对于可逆吸热反应说法正确的是( )",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":31,"type":32},[],157170949,[103,104,105,106],"高温低温均可","无法判断","选择高温运行","选择低温运行","如果平行反应A→R(主反应),A→S(副反应)均为一级不可逆反应,若\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F15dc01021555e9e43b04f493d2cac395.png\">,提高R的选择性应该( )"]