[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fK_H7KW4yt2Dben_Gk6Gk9NrfDJoQPNaBXMvusVtgbMA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-05-27 10:02:07",358828170,[8,9,10,11],"E&prime;F","EF&prime;","E&prime;F&prime;","EF",{"courseId":13,"courseImg":14,"courseName":15},"da18e1f8473403a9a819f14b4cfc85bc","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd526efe74bc5043695fb564246a08842.jpg","基础化学实验-","某物质燃烧反应的温差校正图如下所示.则线段( )表示由于样品燃烧使量热计温度升高的数值\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbbf317b0d34fbca3b62a504e5972aaac.png\">",[18,29,38,41,50,59,68,77,86,91],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],358828168,[22,23,24,25],"校正体系和环境之间热交换的影响","扣除点火丝燃烧所放出的那部分热量","氧弹绝热,必须校正所测量的温度值","温度变化太快,无法准确读取","在燃烧焓测定实验中,需用作图法求取反应前后真正的温度改变值&Delta;T,主要是因为( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],358828169,[33,34,35,36],"N2瓶绿色,H2瓶黑色,O2气瓶蓝色","N2瓶蓝色,H2瓶黑色,O2气瓶绿色","N2瓶黑色,H2瓶绿色,O2气瓶蓝色","N2瓶黑色,H2瓶蓝色,O2气瓶绿色","实验室常用的气体钢瓶的颜色为( )",{"answer":39,"createTime":5,"id":6,"options":40,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],358828171,[45,46,47,48],"雷诺温差校正法","对消法","贝克曼温度计的调节方法","热分析法","在燃烧焓测定实验中,利用作图法计算温差的方法是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],358828172,[54,55,56,57],"EF&prime;代表环境辐射进来的热量所造成的温度升高","该量热计的绝热性能可能较好","E&prime;F&prime;线段代表样品燃烧使量热计温度升高的数值","O点是EF线段的中点","下图是某样品燃烧反应的温度校正图,下面说法正确的是( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f4d9f8a2012186348190328e5549d4a.png\">",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],358828173,[63,64,65,66],"5─4─3─1","1─5─4─2─3","2─5─1","2─5─4─1─3","开启气体钢瓶的操作顺序是( )(1) 顺时针旋紧减压器旋杆; (2) 反时针旋松减压旋杆;(3) 观测低压表读数; (4) 观测高压表读数; (5) 开启高压气阀",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],358828174,[72,73,74,75],"其他选项措施都不对","封上石蜡","涂凡士林","垫上麻绳或面纱","氧气减压器与钢瓶连接口为防止漏气,应( )",{"answer":78,"createTime":79,"id":80,"options":81,"question":84,"source":27,"type":85},[],"2026-05-06 09:03:46",358828175,[82,83],"正确","错误","测定蔗糖的燃烧焓时,固体加入胶囊中可以保证燃烧充分",3,{"answer":87,"createTime":79,"id":88,"options":89,"question":90,"source":27,"type":85},[],358828176,[82,83],"在测定燃烧焓时,样品更换时内筒的水不需要更换",{"answer":92,"createTime":79,"id":93,"options":94,"question":95,"source":27,"type":85},[],358828177,[82,83],"测定物质的燃烧焓时,装置氧弹钢瓶时,点火丝可以与燃烧匙接触"]