[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fsLiF_Zn7F1YvL8ufWC7FJdVcG99qPnBNFGXPa3bD1iY":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":110,"createTime":26},274139774,"v1","设化学反应: 2A2(g) +B2(g)=2A2B(g) 为(基)元反应.当物质A2的浓度减为原来的1\u002F4时, 若不改变正反应的速率, 则物质B2浓度应是原来的多少倍?(2.0)",[8,9,10,11],"4","8","16","32",[],[14,27,37,47,57,67,77,86,96,106],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},274139765,"恒温下,下列反应中△rSmθ为负值的是(2.0)",[18,19,20,21],"2AgNO3(s)→2Ag(s)+2NO2(g)+O2(g)","CaCO3(s)→CaO(s)+CO2(g)","2Na(s)+Cl2(g)→2NaCl(s)","H2(g)+F2(g)→2HF(g)",[],[],0,null,"2025-12-19T20:20:57+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},274139766,"对于一可逆反应来说,下列关系式正确的是(2.0)",[31,32,33,34],"△rGqm=-RTlnQ","△rGqm=-RTlnKq","△rGm=-RTlnQ","△rGm=-RTlnKq\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F8ff9b7f0588c5bad24d3e14a02f5802f.png\">",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":45,"related":46,"type":24,"origin":25,"createTime":26},274139767,"在等温等压下,某反应的△rG\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F8ff9b7f0588c5bad24d3e14a02f5802f.png\">(298K)=10.0kJ·mol-1, 这表明该反应(2.0)",[41,42,43,44],"在标准态、298K时能自发进行","在标准态、298K时不能自发进行","在任一非标准态下一定都能自发进行","在任一非标准态下一定都不能自发进行",[],[],{"id":48,"source":5,"question":49,"options":50,"answer":55,"related":56,"type":24,"origin":25,"createTime":26},274139768,"下列表示 CO2(g)的标准摩尔生成焓的反应是:(2.0)",[51,52,53,54],"CO(g) + 1\u002F2O2(g) = CO2(g)","C(金刚石) + O2(g) = CO2(g)","2C(石墨) + 2O2(g) = 2CO2(g)","C(石墨) + O2(g) = CO2(g)",[],[],{"id":58,"source":5,"question":59,"options":60,"answer":65,"related":66,"type":24,"origin":25,"createTime":26},274139769,"下列哪一反应(或过程)的熵值是增大的:(2.0)",[61,62,63,64],"NaCl晶体从溶液中析出","反应CO(g) = C(s) + 1\u002F2 O2(g)","CuSO4结晶","固态I2的升华",[],[],{"id":68,"source":5,"question":69,"options":70,"answer":75,"related":76,"type":24,"origin":25,"createTime":26},274139770,"氨的分解反应:2NH 3(g) = N 2(g) + 3H 2(g), 高温下为自发反应, 在较低温度下其逆反应为自发,这意味着该正反应的:(2.0)",[71,72,73,74],"Δr H\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> \u003C 0, Δr S\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> > 0","Δr H\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> > 0, Δr S\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> \u003C 0","Δr H\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> \u003C 0 ,Δr S\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> \u003C 0","Δr H\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> > 0 ,Δr S\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7641f363f3756a5a849f3982ddf84931.png\"> > 0",[],[],{"id":78,"source":5,"question":79,"options":80,"answer":84,"related":85,"type":24,"origin":25,"createTime":26},274139771,"反应 A(g) + B(g) → C(g) 的速率方程式为ν = k c(A) c(B),若使密闭的反应容积增大1倍,则其反应速率为原来的几倍?(2.0)",[81,8,82,83],"2","1\u002F2","1\u002F4",[],[],{"id":87,"source":5,"question":88,"options":89,"answer":94,"related":95,"type":24,"origin":25,"createTime":26},274139772,"238U的放射性衰变是一级反应,其半衰期t1\u002F2为4.5\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F142\">109a(年).则该衰变反应的速率常数k应为(2.0)",[90,91,92,93],"6.0×10-10a-1","4.5×10-10a-1","3.0×10-10a-1","1.5×10-10a-1",[],[],{"id":97,"source":5,"question":98,"options":99,"answer":104,"related":105,"type":24,"origin":25,"createTime":26},274139773,"在密闭容器中进行反应:A(s) + B(g) =2D(g),在某温度时达到平衡.若再升高温度可使B的转化率增大,则该反应的焓变值应是(2.0)",[100,101,102,103],">0","\u003C0","=0","无法判断",[],[],{"id":4,"source":5,"question":6,"options":107,"answer":108,"related":109,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"courseName":111,"courseImg":112,"workName":113,"workId":113,"count":24,"courseId":114},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","","53e1d2ef4961cca8eea3e23969ad2cb9"]