[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqKWLVoeHlAHYpyLI3uC_cEX7QFvj-CAfL_8al-C2X3I":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-02-13 01:38:26",319016060,[8,9,10,11],"0.1 mol· (L·s)-1","0.3 mol· (L·s)-1","0.4 mol· (L·s)-1","0.6 mol· (L·s)-1",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},13,"e748ecab79a0fc5c3e37e14b1a25d3f7","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbe2dda8735d8ad3e42e44b8376f7e0d5.jpg","基础化学（Ⅰ）","fa5128e8014145f391235fe1f275edba","3.5测试题","在N2(g) + 3H2(g)≒2NH3(g)反应中,自反应开始至2s末,NH3的浓度由0增至0.4mol\u002FL,则以H2表示该反应的平均速率是( )",[21,32,41,50,58,67,70,77,86,95],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],319016055,[25,26,27,28],"1\u002F2∶1\u002F3∶1\u002F3∶1","2∶3∶3∶1","3∶1∶1∶2","6∶2∶3∶6","反应mA+nB=pC+qD的反应速率的关系为vA∶vB∶vC∶vD=2∶3∶3∶1,则m∶n∶p∶q=( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],319016056,[36,37,38,39],"浓度","压强","温度","催化剂","下列仅对有气体参加的化学反应速率有影响的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],319016057,[45,46,47,48],"减少反应物分子的碰撞机会","降低反应物活化分子的百分数","增加单位体积内反应物分子数","增加单位体积内反应物活化分子数","升高温度使化学反应速率增大的原因是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":57,"source":30,"type":31},[],319016058,[9,54,55,56],"0.4 mol·(L·s)","0.6 mol·(L·s)","0.8mol·(L·s)","在N2(g) + 3H2(g)\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F044ef22a1704e3a48bcaecce450bc06b.png\">2NH3(g)反应中,自反应开始至2s末,NH3的浓度由0增至0.4mol\u002FL,则以H2表示该反应的平均速率是( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],319016059,[62,63,64,65],"-0.5 mol· (L·s)-1","-1 mol· (L·s)-1","0.5 mol· (L·s)-1","2 mol· (L·s)-1","某一化学反应:2A + B → C是一步完成的.A的起始浓度为 2 mol\u002FL,B的起始浓度是4 mol\u002FL,1 s后,A 的浓度下降到 1 mol\u002FL,该反应的平均速率为( )",{"answer":68,"createTime":5,"id":6,"options":69,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":71,"createTime":5,"id":72,"options":73,"question":76,"source":30,"type":31},[],319016061,[64,74,75,8],"1 mol· (L·s)-1","0.25 mol· (L·s)-1","某一化学反应:2A + B → C是一步完成的.A的起始浓度为 2 mol\u002FL,B的起始浓度是4 mol\u002FL,2 s后,A 的浓度下降到 1 mol\u002FL,该反应的v(B)平均速率为( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],319016062,[81,82,83,84],"1~2倍","1~3倍","2~3倍","2~4倍","一般化学反应,在一定的温度范围内,温度每升高10℃,反应速率增加到原来的( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],319016063,[90,91,92,93],"复杂反应是由若干基元反应组成的","在反应速率方程式中,各物质浓度的指数等于反应方程式中各物质的计量数时,此反应必为基元反应","反应级数等于反应方程式中反应物的计量数之和","反应速率等于反应物浓度的乘积","下列叙述中,正确的是( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],319016064,[99,100,101,102],"0","1","2","3","基元反应A + B → C 的反应级数为( )"]