1/5单选题
难度：
1.在25 ℃、101 kPa下，1 g氢气燃烧生成液态水放出142.9 kJ热量，表示该反应的热化学方程式正确的是
| A | 2H2(g)+O2(g)===2H2O(l)△H=-142.9KJ·mol-1 |
| B | 2H2(g)+O2(g) 2H2O(l)ΔH=-571.6 kJ·mol-1 |
| C | 2H2+O2===2H2O△=-571.6 |
| D | 2H2(g)+O2(g)2H2O(l)ΔH=+571.6 kJmol-1 |
- 提示1：
- 54eD54On54Ot5piv5oyH5ZyoMjXihIPvvIwxMDFLUGHml7bvvIwxbW9s57qv54mp6LSo5a6M5YWo54eD54On55Sf5oiQ56iz5a6a55qE5rCn5YyW54mp5pe25omA5pS+5Ye655qE54Ot6YeP44CC
正确答案：Qg==
6aaW5YWI5YWz5rOo54Ot5YyW5a2m5byP5pys6Lqr77yMQ+mhueacquagh+azqOWQhOeJqei0qOeahOeKtuaAge+8jOS4uumUmeivr+mAiemhue+8mzxicj7nh4Png6fmlL7lh7rng63ph4/vvIzlm6DmraTilrNIJmx0OzDvvIxE6aG56ZSZ6K+v77ybPGJyPjEgZ+awouawlOeHg+eDp+eUn+aIkOa2suaAgeawtOaUvuWHujE0Mi45IGtK54Ot6YeP77yM5Zug5q2kMm1vbOawouawlOaUvuWHuueahOeDremHj+S4ujU3MS42IGtK77yMQumAiemhueato+ehruOAgg==
2/5单选题
难度：
2.在标准状况下，将11.2L氢气在氯气中完全燃烧，放出92.4KJ热量，下列所示的热化学方程式正确的是
| A | H2(g)＋Cl2(g)＝ HCl(g) ΔＨ＝92.4KJ/mol |
| B | H2(g)＋Cl2(g)＝HCl(g) ΔＨ＝－92.4KJ/mol |
| C | H2(g)＋Cl2(g)＝2HCl(g) ΔＨ＝－184.8KJ/mol |
| D | H2(g)＋Cl2(g)＝2HCl(l) ΔＨ＝184.8 KJ /mol |
- 提示1：
- 5Zyo54eD54On54Ot55qE54Ot5YyW5a2m5pa556iL5byP5Lit77yM6aaW5YWI5L6d54S26KaB5rOo5oSP5pa556iL5byP55qE6YWN5bmz44CB6IGa6ZuG54q25oCB44CB54ST5Y+Y55qE5Y2V5L2N562J44CC
- 提示2：
- 5YW25qyh77yM6KaB5qC85aSW5rOo5oSP54eD54On54Ot5Y+N5bqU55qE57O75pWw77yM5Lul5Y+K55u45a+55bqU55qE4pazSOeahOaVsOWAvOOAgg==
正确答案：Qw==
QeOAgULkuKTpobnmsqHmnInphY3lubPvvIzmmK/plJnor6/pgInpobnvvJs8YnI+54eD54On5Li65pS+54Ot5Y+N5bqU77yM5Zug5q2k4pazSCZsdDsw77yMROmhuemUmeivr+OAgjxicj7mlYXpgInmi6lD6aG544CC
3/5单选题
难度：
3.25℃、101kPa下，煤炭、氢气、天然气和甲醇(CH3OH)等几种燃料的热值(指一定条件下单位质量的物质完全燃烧所放出的热量)依次是33kJ·g-1、143kJ·g-1、56kJ·g-1、23kJ·g-1，则下列热化学方程式正确的是
| A | C（s）+O2（g）=CO（g）△H=-396kJ·mol-1 |
| B | CH4（g）+2O2（g）=CO2（g）+2H2O（l）△H=-896kJ·mol-1 |
| C | 2H2（g）+O2（g）=2H2O（l）△H=-286kJ·mol-1 |
| D | CH3OH（l）+ O2（g）=CO2（g）+2H2O（l）△H=+736kJ·mol-1 |
- 提示1：
- 5Zyo54eD54On54Ot55qE54Ot5YyW5a2m5pa556iL5byP5Lit77yM6aaW5YWI5L6d54S26KaB5rOo5oSP5pa556iL5byP55qE6YWN5bmz44CB6IGa6ZuG54q25oCB44CB54ST5Y+Y55qE5Y2V5L2N562J44CC
- 提示2：
- 5YW25qyh77yM6KaB5qC85aSW5rOo5oSP54eD54On54Ot5Y+N5bqU55qE57O75pWw77yM5Lul5Y+K55u45a+55bqU55qE4pazSOeahOaVsOWAvOOAgg==
正确答案：Qg==
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
4/5单选题
难度：
4.下列热化学方程式中的反应热下划线处表示燃烧热的是
| A | NH3(g)+O2(g)=NO(g)+H2O(g) ΔH=-akJ·mol-1 |
| B | C6H12O6(s)+6O2(g)=6CO2(g)+6H2O(l) ΔH=-bkJ·mol-1 |
| C | 2CO(g)+O2(g)=2CO2(g) ΔH=-ckJ·mol-1 |
| D | CH3CH2OH(l)+O2(g)=CH3CHO(l)+H2O(l) ΔH=-dkJ·mol-1 |
- 提示1：
- 54eD54On54Ot5piv5oyH5ZyoMjXihIPvvIwxMDFLUGHml7bvvIwxbW9s57qv54mp6LSo5a6M5YWo54eD54On55Sf5oiQ56iz5a6a55qE5rCn5YyW54mp5pe25omA5pS+5Ye655qE54Ot6YeP44CC
正确答案：Qg==
5qC55o2u54eD54On54Ot55qE5a6a5LmJOuWcqDI1IOKEg+OAgTEwMSBrUGHml7YsMSBtb2znuq/nianotKjlrozlhajnh4Png6fnlJ/miJDnqLPlrprnmoTmsKfljJbnianmiYDmlL7lh7rnmoTng63ph48s5Y+r6K+l54mp6LSo55qE54eD54On54Ot44CCQeS4reawtOS4uuawlOaAgSxD5LitQ0/kuLoybW9sLETkuK1D5YWD57Sg5a6M5YWo54eD54On55Sf5oiQQ088c3ViPjI8L3N1Yj4s5pWFQuato+ehruOAgjxicj4=
5/5单选题
难度：
5.已知C(石墨)、H2和CO的燃烧热分别为393.5kJ/mol、285.8kJ/mol和282.8kJ/mol。现有H2和CO组成的混合气体56.0L(标准状况)，经充分燃烧后，放出总热量为710.0kJ，并生成液态水。下列热化学方程式或描述中，正确的是
| A | 2CO(g) + O2(g) = 2CO2(g);△H= +282.8kJ/mol |
| B | 2H2(g) + O2(g) =2H2O(g); △H= -571.6kJ/mol |
| C | C(石墨,s) + O2(g)=CO(g); △H= -110.7kJ/mol |
| D | 燃烧前混合气体中，H2的体积分数为40% |
- 提示1：
- 5Zyo54eD54On54Ot55qE54Ot5YyW5a2m5pa556iL5byP5Lit77yM6aaW5YWI5L6d54S26KaB5rOo5oSP5pa556iL5byP55qE6YWN5bmz44CB6IGa6ZuG54q25oCB44CB54ST5Y+Y55qE5Y2V5L2N562J44CC
- 提示2：
- 5YW25qyh77yM6KaB5qC85aSW5rOo5oSP54eD54On54Ot5Y+N5bqU55qE57O75pWw77yM5Lul5Y+K55u45a+55bqU55qE4pazSOeahOaVsOWAvOOAgg==
- 提示3：
- 6K6+5rCi5rCU5oiW5LiA5rCn5YyW56Kz55qE6YeP77yM5qC55o2u5pS+5Ye654Ot6YeP5YiX5Ye65pa556iL77yM5Y2z5Y+v6K6h566X5Lik6ICF55qE6YeP44CC5oiW6YeH55So5Y2B5a2X5Lqk5Y+J5rOV44CC
正确答案：RA==
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