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1、选择题 某密闭容器中,发生可逆反应L(s)+G(g) 600)makesmallpic(this,600,1800);\' st ">
时间:2017-11-05 20:58:26
1、选择题 某密闭容器中,发生可逆反应L(s)+G(g) 600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060717/tofwkynhfdg.gif\">3R(g) △H>0,下图表示温度、压强的变化对上述反应的影响。下列表述正确的是
600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060717/tw4bwcrrbwn.gif\">
[? ]
A.该反应达到平衡后加入适当的催化剂可提高G的转化率
B.达到平衡后向容器中加入少量L,平衡向右移动,G的转化率增大
C.图中的y可能是平衡时混合气体中G的质量分数
D.图中的y可能是达到平衡时G的转化率
2、选择题 在密闭容器中,存在反应:C(s)+CO2(g)═2CO(g),下列可使化学反应速率增大的措施是①增大容器体积 ②升高温度 ③通入CO2 ④增加C的量 ⑤缩小容器体积( )
A.①②④
B.②③⑤
C.①②③
D.②③④
3、选择题 各可逆反应达平衡后,改变反应条件,其变化趋势正确的是
[? ]
A.600)makesmallpic(this,600,1800);\' style=\"WIDTH: 185px; HEIGHT: 132px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060717/nchac31m1ud.png\">
B.600)makesmallpic(this,600,1800);\' style=\"WIDTH: 225px; HEIGHT: 134px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060717/vach12nohgx.png\">
C.600)makesmallpic(this,600,1800);\' style=\"WIDTH: 185px; HEIGHT: 140px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060717/5m4kiepbj5g.png\">
D.600)makesmallpic(this,600,1800);\' style=\"WIDTH: 280px; HEIGHT: 139px; VERTICAL-ALIGN: middle\" src=\"http://www_php168_com/91files/2016060717/pb0iyndeenb.png\">
4、选择题 某温度下,在固定容积的容器中,可逆反应A(g)+3B(g)600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/kfxj4yzeqqw.jpg\" style=\"vertical-align:middle;\">2C(g)达到平衡后,若将
平衡体系中各物质的浓度增加一倍,则
A.平衡向逆反应方向移动
B.平衡不移动
C.C的百分含量增大
D.B的浓度减小
5、填空题 (4分)工业上常用天然气作为制备甲醇600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/gtbufnbyioq.png\" style=\"vertical-align:middle;\">的原料。已知:
①600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/qw2mfv4xykk.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/rtsqitad01v.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/fgwtzsau2j3.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/ccnxe1xabra.png\" style=\"vertical-align:middle;\">
②600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/tj4enjpgeti.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/rtsqitad01v.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/q20hgui1xww.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/k0tea2z11gb.png\" style=\"vertical-align:middle;\">
③600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/q2gpgm2ddic.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/rtsqitad01v.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/plxopyipxbh.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/ga5usaxtdko.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/bwxrdkie0rn.png\" style=\"vertical-align:middle;\">与
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/w4kizqekwuw.png\" style=\"vertical-align:middle;\">反应生成
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/plxopyipxbh.png\" style=\"vertical-align:middle;\">的热化学方程式为 。
(2)向VL恒容密闭容器中充入600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/0ucbbfb4fip.png\" style=\"vertical-align:middle;\">与
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/1t0kac2hbf2.png\" style=\"vertical-align:middle;\">,在不同压强下合成甲醇。
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/2k5uxegbd4f.png\" style=\"vertical-align:middle;\">的平衡转化率与温度、压强的关系如下图所示:
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/3cagt3xi4fr.jpg\" style=\"vertical-align:middle;\">
①压强600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/a5bljnkwpg0.png\" style=\"vertical-align:middle;\">
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/rt3pbp34xqr.png\" style=\"vertical-align:middle;\">(填“<”、“>”或“=”)
②在600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/wr3hgfzvbbe.png\" style=\"vertical-align:middle;\">、
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/a5bljnkwpg0.png\" style=\"vertical-align:middle;\">压强时,平衡常数为 (用含
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060703/0vjqh3sjwre.png\" style=\"vertical-align:middle;\">的代数式表示)。