1/5单选题
难度：
1.下面均是正丁烷与氧气反应的热化学方程式(25°，101kPa)：
①
②
③
④
由此判断，正丁烷的燃烧热是
①
②
③
④
由此判断，正丁烷的燃烧热是
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 54eD54On54Ot5piv5oyHMW1vbOWPr+eHg+eJqeWujOWFqOeHg+eDp+eUn+aIkOeos+WumueahOawp+WMlueJqeaUvuWHuueahOeDremHj+OAgg==
正确答案：QQ==
5qC55o2u54eD54On54Ot55qE5a6a5LmJ77yM5Y+N5bqU5ZCO55qE5Lqn54mp5bqU6K+l5Li65rCU5oCB55qE5LqM5rCn5YyW56Kz5ZKM5ray5oCB55qE5rC044CC5Y+N5bqU4pGg6IO95aSf6KGo56S65q2j5LiB54O355qE54eD54On54Ot44CCPGJyPuaVhemAiUHpgInpobnjgII=
2/5单选题
难度：
2.
已知反应：①101kPa时，C(s) ＋ 
O2(g)＝CO；△H1＝－110.5kJ/mol②稀溶液中，H+(aq)＋ OH-(aq)＝H2O(1)；△H2＝－57.3kJ/mol下列结论正确的是
| A | 若碳的燃烧热用△H3来表示，则△H3<△H1 |
| B | 若碳的燃烧热用△H3来表示，则△H3>△H1 |
| C | 浓硫酸与稀NaOH溶液反应生成1mol水，放出57.3kJ热量 |
| D | 稀醋酸与稀NaOH溶液反应生成1mol水，放出57.3kJ热量 |
- 提示1：
- PHA+54eD54On54Ot5piv5oyHMW1vbOWPr+eHg+eJqeWujOWFqOeHg+eDp+eUn+aIkOeos+WumueahOawp+WMlueJqeaUvuWHuueahOeDremHj+OAgjwvcD4=
- 提示2：
- PHA+5rWT56Gr6YW46KKr56iA6YeK55qE6L+H56iL5pyJ6IO96YeP55qE5Y+Y5YyW77yM5Lya5b2x5ZON5Y+N5bqU55qE54Ot5pWI5bqU44CCPC9wPg==
- 提示3：
- PHA+5byx55S16Kej6LSo55qE55S156a75ZCM5qC35Lya5b2x5ZON5Y+N5bqU55qE54Ot5pWI5bqU44CCPC9wPg==
正确答案：QQ==
PHA+54eD54On54Ot5piv5oyHMW1vbOWPr+eHg+eJqeWujOWFqOeHg+eDp+eUn+aIkOeos+WumueahOawp+WMlueJqeaUvuWHuueahOeDremHj++8jDFtb2znorPlrozlhajnh4Png6fnlJ/miJDkuozmsKfljJbnorPmlL7lh7rnmoTng63ph4/mr5TnlJ/miJDkuIDmsKfljJbnorPmlL7lh7rng63ph4/lpJpj4pazSDxzdWI+Mzwvc3ViPueahOaVsOWAvCZndDvilrNIPHN1Yj4xPC9zdWI+55qE5pWw5YC877yM5L2G6ICD6JmR56ym5Y+377yM4pazSDxzdWI+Mzwvc3ViPiZsdDvilrNIPHN1Yj4xPC9zdWI+77yMQeato+ehru+8mzxicj48L3A+PHA+5Lit5ZKM54Ot5piv5oyH56iA5rq25ray5Lit5by66YW45ZKM5by656Kx55Sf5oiQMW1vbCBIPHN1Yj4yPC9zdWI+T+aUvuWHuueahOeDremHj++8jEPkuK3mtZPnoavphbjmurbkuo7msLTkuZ/opoHmlL7lh7rng63ph4/vvJs8L3A+PHA+ROS4remGi+mFuOeUteemu+mcgOimgeWQuOaUtueDremHj+OAgjwvcD4=
3/5单选题
难度：
3.下列热化学方程式中，△H能正确表示物质的燃烧热的是
| A | 2CO（g）+O2（g）═2CO2（g）△H=-566.0kJ/mol |
| B | C（s）+ O2（g）═CO（g）△H=-110.5kJ/mol |
| C | CH4（g）+2O2（g）═CO2（g）+2H2O（l）△H=-890.31kJ/mol |
| D | 2C8H18（l）+25O2（g）═16CO2（g）+18H2O（l）△H=-11036kJ/mol |
- 提示1：
- 54eD54On54Ot6KGo56S6MW1vbOWPr+eHg+eJqeWujOWFqOeHg+eDp+eUn+aIkOeos+Wumuawp+WMlueJqeaJgOaUvuWHuueahOeDremHj++8jOihqOekuueHg+eDp+eDreeahOeDreWMluWtpuaWueeoi+W8j+S4reWPr+eHg+eJqeS4ujFtb2zvvIzkuqfniankuLrnqLPlrprmsKfljJbnianvvI4=
正确答案：Qw==
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
4/5单选题
难度：
4.下列热化学方程式中△H代表燃烧热的是
| A | CH4（g）+ O2（g）=2H2O（l）+CO（g）△H1 |
| B | S（s）+O2（g）=SO3（s）△H2 |
| C | C6H12O6（s）+6O2（g）=6CO2（g）+6H2O（l）△H3 |
| D | 2CO（g）+O2（g）=2CO2（g）△H4 |
- 提示1：
- 54mp6LSo55qE54eD54On54Ot77yM6YCa5bi45ZyoMjXihIPvvIwxMDEga1Bh5pe277yMMSBtb2zlj6/nh4Pnianlrozlhajnh4Png6fnlJ/miJDnqLPlrprnmoTljJblkIjnianml7bmiYDmlL7lh7rnmoTng63ph4/vvJs=
- 提示2：
- 5Lmm5YaZ54eD54On54Ot55qE54Ot5YyW5a2m5pa556iL5byP5pe25Y+v54eD54mp5LiA5a6a5pivMSBtb2zvvIzljbPlj6/nh4PniannmoTorqHph4/ns7vmlbDkuIDlrprmmK8x77yM5YW25LuW54mp6LSo55qE6K6h6YeP57O75pWw5Y+v5Lul55So5YiG5pWw77yM5Y+N5bqU5LitQ+KGkkNPPHN1Yj4yPC9zdWI+77yMSOKGkkg8c3ViPjI8L3N1Yj5P77yI5ray77yJ77yMU+KGklNPPHN1Yj4yPC9zdWI+77yI5rCU77yJ77yO
正确答案：Qw==
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
5/5单选题
难度：
5.下列热化学方程式中的反应热为可燃物的燃烧热的是
| A | H2(g)+1/2O2(g)=H2O(g) △H =－241.8kJ·mol—1 |
| B | CH4(g)+2O2(g)=CO2(g)+2H2O(g) △H =－846.3kJ·mol—1 |
| C | C(s)+O2(g)=CO2(g) △H =－393.5kJ·mol—1 |
| D | C3H8（g）+5O2（g）=3CO（g）+4H2O（l）△ H = －2044.0kJ·mol—1 |
- 提示1：
- 54mp6LSo55qE54eD54On54Ot77yM6YCa5bi45ZyoMjXihIPvvIwxMDEga1Bh5pe277yMMSBtb2zlj6/nh4Pnianlrozlhajnh4Png6fnlJ/miJDnqLPlrprnmoTljJblkIjnianml7bmiYDmlL7lh7rnmoTng63ph4/vvJs=
- 提示2：
- 5Lmm5YaZ54eD54On54Ot55qE54Ot5YyW5a2m5pa556iL5byP5pe25Y+v54eD54mp5LiA5a6a5pivMSBtb2zvvIzljbPlj6/nh4PniannmoTorqHph4/ns7vmlbDkuIDlrprmmK8x77yM5YW25LuW54mp6LSo55qE6K6h6YeP57O75pWw5Y+v5Lul55So5YiG5pWw77yM5Y+N5bqU5LitQ+KGkkNPPHN1Yj4yPC9zdWI+77yMSOKGkkg8c3ViPjI8L3N1Yj5P77yI5ray77yJ77yMU+KGklNPPHN1Yj4yPC9zdWI+77yI5rCU77yJ77yO
正确答案：Qw==
QSDjgIFC6YCJ6aG56YO95LiN5piv54eD54On54Ot77yM5Zug5Li655Sf5oiQ55qE5piv5rCU5oCB5rC077yM5rCU5oCB5rC05LiN5aaC5ray5oCB5rC056iz5a6aPGJyPkMg56Kz5a6M5YWo54eD54On77yM55Sf5oiQ55qE5piv5LqM5rCn5YyW56Kz77yM5q2k5pe25Y+N5bqU54Ot5piv54eD54On54OtPGJyPkQg5LiN5piv54eD54On54Ot77yM5Zug5Li655Sf5oiQ55qE5piv5LiA5rCn5YyW56Kz77yM55u45b2T5LqO5Y+v54eD54mp5rKh5pyJ5a6M5YWo54eD54On44CC