由于温室效应和资源短缺等问题,如何降低大气中的CO2含量并加以开发利用,引起了各国的普遍重视.目前工

\u968f\u7740\u4eba\u7c7b\u5bf9\u6e29\u5ba4\u6548\u5e94\u548c\u8d44\u6e90\u77ed\u7f3a\u7b49\u95ee\u9898\u7684\u91cd\u89c6\uff0c\u964d\u4f4e\u5927\u6c14\u4e2dCO2\u7684\u542b\u91cf\u53ca\u6709\u6548\u5730\u5f00\u53d1\u5229\u7528CO2\uff0c\u5f15\u8d77\u4e86\u5404\u56fd\u7684\u666e\u904d

\uff081\uff09\u53cd\u5e94\u524dCO2\u7684\u6d53\u5ea6\u4e3a1.0mol/L\uff0cH2\u7684\u6d53\u5ea6\u4e3a3.0mol/L\uff0c\u5e73\u8861\u540e\uff0c\u751f\u6210\u7269CH3OH\uff08g\uff09\u548cH2O\uff08g\uff09\u7684\u6d53\u5ea6\u4e3a0.75mol/L\uff0c\u7ed3\u5408\u5176\u53cd\u5e94\u7684\u5316\u5b66\u8ba1\u91cf\u6570\u53ef\u77e5\uff0cCO2\u7684\u53cd\u5e94\u6d53\u5ea6\u4e3a0.75mol/L\uff0cH2\u7684\u53cd\u5e94\u6d53\u5ea6\u4e3a3\u00d70.75mol/L=2.25mol/L\uff0c\u6240\u4ee5\u5176\u5e73\u8861\u6d53\u5ea6\u5206\u522b\u4e3a\uff1a0.25mol/L\u548c0.75mol/L\uff1b\uff082\uff09H2\u7684\u53cd\u5e94\u6d53\u5ea6\u4e3a3\u00d70.75mol/L=2.25mol/L\uff0c\u6240\u4ee5\uff0c\u53cd\u5e94\u901f\u7387\u4e3a\uff1av\uff08H2\uff09=2.25mol?L?110min=0.225mol/\uff08L?min\uff09\uff1b\u53cd\u5e94\u524dCO2\u7684\u6d53\u5ea6\u4e3a1.0mol/L\uff0cH2\u7684\u6d53\u5ea6\u4e3a3.0mol/L\uff0c\u4e8c\u6c27\u5316\u78b3\u4e0e\u6c22\u6c14\u7684\u6d53\u5ea6\u4e4b\u6bd4\u7b49\u4e8e\u5176\u5316\u5b66\u8ba1\u91cf\u6570\u4e4b\u6bd4\uff0c\u53cd\u5e94\u901f\u7387\u4e4b\u6bd4\u7b49\u4e8e\u5316\u5b66\u8ba1\u91cf\u6570\u4e4b\u6bd4\uff0c\u6240\u4ee5\uff0c\u4e8c\u6c27\u5316\u78b3\u548c\u6c22\u6c14\u7684\u8f6c\u5316\u7387\u76f8\u7b49\uff0c\u6545\u7b54\u6848\u4e3a\uff1a0.225\uff1b\u7b49\u4e8e\uff1b\uff083\uff09A\u3001\u751f\u6210CH3OH\uff08g\uff09\u548c\u6d88\u8017CO2\u90fd\u662f\u53cd\u5e94\u5411\u6b63\u5411\u8fdb\u884c\uff0c\u4e0d\u80fd\u8868\u73b0\u6b63\u9006\u53cd\u5e94\u901f\u7387\u76f8\u7b49\uff0c\u6545A\u9519\u8bef\uff1bB\u3001\u751f\u6210n mol H2O\uff08g\uff09\uff0c\u540c\u65f6\u751f\u62103n mol H2\uff0c\u6b63\u9006\u53cd\u5e94\u901f\u7387\u76f8\u7b49\uff0c\u6545B\u6b63\u786e\uff1bC\u3001\u53cd\u5e94\u524d\u540e\u6c14\u4f53\u4f53\u79ef\u6709\u6240\u53d8\u5316\uff0c\u6240\u4ee5\u538b\u5f3a\u4e0d\u53d8\u65f6\u53cd\u5e94\u8fbe\u5230\u5e73\u8861\u72b6\u6001\uff0c\u6545C\u6b63\u786e\uff1bD\u3001\u6052\u5bb9\u5bb9\u5668\uff0c\u53cd\u5e94\u7269\u548c\u751f\u6210\u7269\u90fd\u662f\u6c14\u4f53\uff0c\u6c14\u4f53\u8d28\u91cf\u4e0d\u53d8\uff0c\u6545\u5bc6\u5ea6\u6c38\u8fdc\u4e0d\u53d8\uff0c\u6545D\u9519\u8bef\uff0e\u6545\u9009\uff1aBC\uff0e\uff084\uff09\u53cd\u5e94\u662f\u6b63\u53cd\u5e94\u6c14\u4f53\u4f53\u79ef\u51cf\u5c0f\u7684\u653e\u70ed\u53cd\u5e94\uff0c\u4ece\u56fe\u8c61\u5206\u6790\uff0c\u53cd\u5e94\u6b63\u5411\u79fb\u52a8\u4e14\u901f\u7387\u6bd4\u539f\u6765\u589e\u5927\uff0cA\u3001\u5347\u6e29\u65f6\u5e73\u8861\u9006\u5411\u79fb\u52a8\uff0c\u6545A\u9519\u8bef\uff1bB\u3001\u589e\u5927\u53cd\u5e94\u7269\u6d53\u5ea6\uff0c\u5e73\u8861\u6b63\u5411\u79fb\u52a8\uff0c\u53cd\u5e94\u901f\u7387\u52a0\u5feb\uff0c\u6545B\u6b63\u786e\uff1bC\u3001\u4f53\u79ef\u4e0d\u53d8\u5145\u5165\u6c29\u6c14\uff0c\u5bf9\u53cd\u5e94\u901f\u7387\u548c\u5e73\u8861\u90fd\u65e0\u5f71\u54cd\uff0c\u6545C\u9519\u8bef\uff1bD\u3001\u51cf\u5c0f\u538b\u5f3a\uff0c\u53cd\u5e94\u901f\u7387\u51cf\u6162\uff0c\u6545D\u9519\u8bef\uff0c\u6545\u9009\uff1aB\uff0e\uff085\uff09\u71c3\u6599\u7535\u6c60\u4e2d\u7532\u9187\u5728\u8d1f\u6781\u53d1\u751f\u6c27\u5316\u53cd\u5e94\uff0c\u6c27\u6c14\u5728\u6b63\u6781\u53d1\u751f\u8fd8\u539f\u53cd\u5e94\uff0c\u6ce8\u610f\u7535\u89e3\u8d28\u4e3a\u7194\u878dK2CO3\uff0c\u6240\u4ee5\u6b63\u6781\u53cd\u5e94\u5f0f\u4e3a\uff1a32O2+6e-+3CO2=3CO32-\uff0c\u8d1f\u6781\u53cd\u5e94\u5f0f\u4e3a\uff1aCH3OH-6e-+3CO32-=3CO2+2H2O\uff0c\u6545\u7b54\u6848\u4e3a\uff1a32O2+6e-+3CO2=3CO32-\uff1bCH3OH-6e-+3CO32-=3CO2+2H2O\uff0e

\uff081\uff09\u2460\u5229\u7528\u4e09\u6bb5\u5f0f\u89e3\u9898\u6cd5\u8ba1\u7b97 CO2\uff08g\uff09+3H2\uff08g\uff09 CH3OH\uff08g\uff09+H2O\uff08g\uff09\uff0c\u5f00\u59cb\uff08mol/L\uff09\uff1a1 3 0 0\u53d8\u5316\uff08mol/L\uff09\uff1a0.75 2.25 0.75 0.75 \u5e73\u8861\uff08mol/L\uff09\uff1a0.25 0.75 0.75 0.75\u4ece\u53cd\u5e94\u5f00\u59cb\u5230\u5e73\u8861\uff0c\u6c22\u6c14\u7684\u5e73\u5747\u53cd\u5e94\u901f\u7387v\uff08H2\uff09=2.25mol/L10min=0.225 mol?L-1?min-1\uff0c\u6c22\u6c14\u7684\u8f6c\u5316\u7387=2.253=75%\uff0c\u6545\u7b54\u6848\u4e3a\uff1a0.225\uff1b75%\uff1b\u2461\u8981\u4f7fn\uff08CH3OH\uff09/n\uff08CO2\uff09\u589e\u5927\uff0c\u5e94\u4f7f\u5e73\u8861\u5411\u6b63\u53cd\u5e94\u65b9\u5411\u79fb\u52a8\uff0cA\uff0e\u56e0\u6b63\u53cd\u5e94\u653e\u70ed\uff0c\u5347\u9ad8\u6e29\u5ea6\u5e73\u8861\u5411\u9006\u53cd\u5e94\u65b9\u5411\u79fb\u52a8\uff0c\u5219n\uff08CH3OH\uff09/n\uff08CO2\uff09\u51cf\u5c0f\uff0c\u6545A\u9519\u8bef\uff1bB\uff0e\u5145\u5165He\uff08g\uff09\uff0c\u4f7f\u4f53\u7cfb\u538b\u5f3a\u589e\u5927\uff0c\u4f46\u5bf9\u53cd\u5e94\u7269\u8d28\u6765\u8bf4\uff0c\u6d53\u5ea6\u6ca1\u6709\u53d8\u5316\uff0c\u5e73\u8861\u4e0d\u79fb\u52a8\uff0cn\uff08CH3OH\uff09/n\uff08CO2\uff09\u4e0d\u53d8\uff0c\u6545B\u9519\u8bef\uff1bC\uff0e\u5c06H2O\uff08g\uff09\u4ece\u4f53\u7cfb\u4e2d\u5206\u79bb\uff0c\u5e73\u8861\u5411\u6b63\u53cd\u5e94\u65b9\u6cd5\u79fb\u52a8\uff0cn\uff08CH3OH\uff09/n\uff08CO2\uff09\u589e\u5927\uff0c\u6545C\u6b63\u786e\uff1bD\uff0e\u518d\u5145\u51651mol CO2\u548c3mol H2\uff0c\u7b49\u6548\u4e8e\u5728\u539f\u6765\u57fa\u7840\u4e0a\u7f29\u5c0f\u4f53\u79ef\u4e00\u534a\uff0c\u538b\u5f3a\u589e\u5927\uff0c\u5e73\u8861\u5411\u6b63\u53cd\u5e94\u65b9\u5411\u79fb\u52a8\uff0c\u5219n\uff08CH3OH\uff09/n\uff08CO2\uff09\u589e\u5927\uff0c\u6545D\u6b63\u786e\uff0e\u6545\u7b54\u6848\u4e3a\uff1aCD\uff1b\uff082\uff09\u5728\u6e29\u5ea6\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u82e5\u5728\u589e\u5927\u5bb9\u5668\u4f53\u79ef\u7684\u540c\u65f6\u4e0d\u65ad\u5145\u5165\u6c22\u6c14\uff0c\u4f7fH2\u7684\u6d53\u5ea6\u4fdd\u6301\u4e0d\u53d8\uff0c\u4f53\u79ef\u53d8\u5927\u65f6CH3OH\u3001CO\u7684\u6d53\u5ea6\u6210\u6210\u6bd4\u4f8b\u51cf\u5c0f\uff0c\u6240\u4ee5c(CH3OH)c(CO)c2(H2)\u7684\u503c\u4e0d\u53d8\u7b49\u4e8eK\u7684\u503c\uff0c\u5373\u5e73\u8861\u4e0d\u79fb\u52a8\uff0c\u6545\u9009C\uff0c\u6545\u7b54\u6848\u4e3a\uff1aC\uff1bK=c(CH3OH)c(CO)c2(H2)\uff0cCH3OH\u3001CO\u6210\u6bd4\u4f8b\u51cf\u5c0f\uff0cc\uff08H2\uff09\u4e0d\u53d8\uff0c\u5219K\u4e0d\u53d8\uff0e

(1)从图象分析,反应物能量高于生成物,反应放热,说明反应物键能和小于生成物,故答案为:小于;
(2)C原子四键,H只有1个化学键,O形成2个化学键,结合乙醇的结构可知甲醇的结构式为:;两非金属元素的原子间形成的是共价键,
故答案为:;共价键;
(3)负极是电子流出的极,甲醇在负极失电子发生氧化反应,故答案为:甲醇;氧化;
(4)欲使反应CO2(g)+3H2 (g)?CH3OH (g)+H2O(g)速率加快,可以升温、加压、加入适当的催化剂等等,故答案为:升温、加压、加入催化剂;
(5)A、CO2 (g)的浓度不再发生变化说明反应达到平衡状态,故A正确;
B、消耗1mol CO2的同时生成3mol H2说明正逆反应速率相等,反应达到了平衡状态,故B正确;
C、温度不再变化,说明正逆反应速率相等,反应达到了平衡状态,故C正确;
D、反应前后气体体积不同,氧气不变说明各组分浓度不变,反应达到了平衡状态,故D正确;
故选ABCD.

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