[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmcF5eBvu47b_Z7VnxflRgqJ_H8ZGcCEA62BHFzC9d1g":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":26,"type":60},[],"2026-05-24 21:00:38",1118932326,[8,9],"对","错",{"courseId":11,"workId":12,"workName":13},"1000162107","66986653","第二章单元测试","在合成氨工业中,同时增加压强和使用催化剂可以促使平衡向生成氨气的方向移动并提高反应速率",[16,28,38,47,57,61,70,79,84,94],{"answer":17,"createTime":5,"id":18,"options":19,"question":25,"source":26,"type":27},[],1118932229,[20,21,22,23,24],"化学平衡是指反应物和生成物浓度相等时的状态","标准常数 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9d1e48688f1540c7f330f921a91c1de5.png\"> 仅与温度有关,与反应物初始浓度无关","标准常数的表达式中各物质浓度必须使用平衡时的浓度或分压","对于气相反应,标准常数表达式中的分压需要除以标准压力 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fad2dab600b99f66f4b1b53fe2defecc4.png\">","化学平衡是一种静态平衡,此时正逆反应均停止","关于化学平衡与标准常数,下列哪些说法是正确的","v2",1,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":37},[],1118932235,[32,33,34,35],"反应物和生成物浓度都为零的状态","正反应速率等于逆反应速率的状态","反应物完全转化为生成物的状态","反应物和生成物浓度相等的状态","下列哪项是对化学平衡状态的正确定义",0,{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":26,"type":37},[],1118932237,[42,43,44,45],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F95506e0f61f7d34791bc3a6c8b1e48cf.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fde6c0a9b01f5ae7a3d2ceab6f9a69541.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8cb39f74ecf0b0fd02e55201005130bd.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F83fc2a7cc906aea73e3f955c8cdc759d.png\">","对于反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe00aaeb018c4d86bd331032553634fdc.png\">,在300K测得平衡时各物质分压为 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F76208048c326868dad09791c469c8755.png\">, \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F89ef89b2a78a70267c3dac383694141b.png\">, \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa24557803b8f5675c2aa89d23fd173b6.png\">,则该温度下的标准常数 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F46d04664e4229fe6f0533fb54caa06ea.png\"> 约为多少",{"answer":48,"createTime":5,"id":49,"options":50,"question":56,"source":26,"type":27},[],1118932325,[51,52,53,54,55],"在合成氨工业中,通过不断分离生成的氨气可以减少生成物浓度,使平衡向正反应方向移动","对于反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2be777e7148f0794c2d60b62f04785ea.png\">,增大压强会使平衡向正反应方向移动,因为正反应是气体分子数减小的反应","对于反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F876051efa93364792d6ccb9cdcff963f.png\">(\\DeltaH<0),降低温度会使平衡向逆反应方向移动,即向吸热反应方向移动","在 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4c4ba5893304bd4ce35de28ea79bea2b.png\"> 平衡体系中,加入 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3c13de93c4c638b12d3e1d31c5a8b287.png\"> 溶液会增大 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F34a5aec66bec8467998a380f5ebeed57.png\"> 浓度,使平衡向沉淀生成的方向移动","催化剂能同等程度地改变正逆反应速率,因此可以改变化学平衡的位置","关于勒夏特列原理及其在化学平衡中的应用,以下哪些表述是正确的",{"answer":58,"createTime":5,"id":6,"options":59,"question":14,"source":26,"type":60},[],[8,9],3,{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":26,"type":37},[],1118932328,[65,66,67,68],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F61c37824fb0e8a10306db1d0d029c977.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F910f14af1d74ac6621af1139c8e78d84.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbfe0d9a9412a30fd5adaf4a177bdebca.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1ccee90f13f73f5fd5e2b4df748f7f1a.png\">","已知反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F16ee7795be66a3a8c35d709c518d853d.png\"> 的 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6cf959411277161913799b56a4d20e77.png\">.若初始投料为1mol CO和1mol H2O在1L容器中反应,当系统达到平衡时,下列哪组浓度数据是正确的",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":26,"type":37},[],1118932329,[74,75,76,77],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F07d014ea5de64337cc9cf5c1276cf40f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4ba79bfb4f9b20023c07a40532cfaaff.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc9d9ed2a20f2cf70950492f2c71a4539.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27cb345487e37104778ff4744fdb2508.png\">","对于反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F74a62d797301137fc2fc1ab8c8ac4ae6.png\">,已知 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F038a3053cdb9e682456f32d6c9437f01.png\">.若某时刻各气体分压为 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6430bde35b4d4bf822ed06d07a40d437.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F16459e03c69e3d6f177b584751dcb688.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a364cebddd6985c6c6576538a67da78.png\">,则此时反应的 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff175d24996f30d4e81c200d700be3e24.png\"> 为多少?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa33cb3342d3022491db7ff01dcc9fc0f.png\">",{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":26,"type":60},[],1118932330,[8,9],"化学平衡状态下,反应物和生成物的浓度不再随时间变化,但正反应和逆反应仍在进行",{"answer":85,"createTime":5,"id":86,"options":87,"question":93,"source":26,"type":27},[],1118932331,[88,89,90,91,92],"当反应商 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3abfffb5e172d1d2423dbbf0a3b026bc.png\"> 时,反应达到平衡状态,此时 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F70d92a119fe05cb6aeaf33c4d17e8ce1.png\">","若 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57829fba5031a6e7f83f27f272b686c6.png\"> 且 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3619cc93c6df8fa6a480cb2789437e13.png\">,则反应正向自发进行","平衡常数 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F954373f039de674d8c3b013953d6d7fc.png\"> 可通过公式 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff27ab8f2d8742abb760479d7abe527ac.png\"> 计算得到","当 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8218fad96c53130ce94cb9f8c6cc9c97.png\"> 时,反应逆向自发进行","反应商 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4471b7634dc41f77cdcf0e3294e72fa6.png\"> 的表达式中各物质浓度应使用平衡时的浓度","对于化学反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fad1d0261bf774c2a314ad6ed3351ab06.png\">,已知标准吉布斯自由能变 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11dba9b4e4129d58c08e8ac1b5027033.png\"> 和温度 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b9d90e0ba33ae572b98a142c2e321fc.png\">,下列哪些表述是正确的",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":26,"type":37},[],1118932332,[98,99,100,101],"化学平衡时,反应物和生成物的浓度相等","化学平衡是一种静态平衡,正逆反应速率均为零","化学平衡时,正反应和逆反应的速率相等","达到化学平衡后,反应物和生成物的浓度不再变化","下列关于化学平衡的描述中,哪一项是正确的"]