中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.
在相同条件下，下列三个热化学方程式中△H比较正确的是（1）CH4（g）+2O2（g）=CO2（g）+2H2O（g）；△H1
（2）CH4（g）+2O2（g）=CO2（g）+2H2O（l）；△H2
（3）
CH4（g）+O2（g）=CO2（g）+H2O（g）；△H3．
| A: △H1＜△H2＜△H3 |
| B: △H1＞△H2，△H3= |
| C: △H1=△H2=△H3 |
| D: 无法比较 |
一次做对，真牛！
+5奖励规则>
- 答案：Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.已知热化学方程式：2SO2(g)+O2(g) 
2SO3(g) △H=Q kJ·mol-1．下列说法正确的是
2SO3(g) △H=Q kJ·mol-1．下列说法正确的是 | A: 相同条件下，2molSO2（g）和1molO2（g）所具有的能量小于2molSO3（g）所具有的能量 |
| B: 将2molSO2（g）和1molO2（g）置于一密闭容器中充分反应后，放出热量为QkJ |
| C: 增大压强或升高温度，该平衡都向逆反应方向移动 |
| D: 如将一定量SO2（g）和O2（g）置于某密闭容器中充分反应后放热QkJ，则此过程中有2molSO2（g）被氧化 |
一次做对，真牛！
+5奖励规则>
- 答案：RA==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.下列有关热化学方程式的表示及说法正确的是
| A: 已知c（石墨，s）=c（金刚石，s）△H＞0，则金刚石比石墨稳定 |
| B: 已知H2（g）+F2（g）═2HF（g）△H=-270kJ/mol，则2L氟化氢气体分解成1L氢气和1L氟气吸收270kJ热量 |
| C: HCl和NaOH反应的中和热为-57.3kJ/mol，则H2SO4和Ba（oH）2反应的中和热△H=2×（-57.3）kJ/mol |
| D: 已知I2（g）+H2（g）═2HI（g）△H1；I2（s）+H2（g）═2HI（g）△H2；则△H1＜△H2 |
一次做对，真牛！
+5奖励规则>
- 提示1：54mp6LSo5ZC45pS254Ot6YeP6L2s5YyW5Li65Y+m5LiA56eN54mp6LSo77yM6K+05piO5YmN6ICF6IO96YeP5L2O5LqO5ZCO6ICF
- 提示2：6YCG5Y+N5bqU55qE54ST5Y+Y5Li65Y6f5Y+N5bqU54ST5Y+Y55qE55u45Y+N5pWw44CC
- 提示3：5Zyo5Yip55So5Lit5ZKM54Ot55qE55u45YWz5pWw5o2u5Lit5LiA5a6a6KaB5rOo5oSP77yM5LiN6IO95a2Y5Zyo5rWT6YW444CB5rWT56Kx5oiW6ICF5byx55S16Kej6LSo77yM5Y+N5bqU5ZCO5Lmf5LiN6IO955Sf5oiQ5LiN5rq254mp44CC5ZCm5YiZ5Lya5a+55Y+N5bqU54Ot5pyJ5LiA5a6a5b2x5ZON77yM5LiN6IO9566A5Y2V55qE55So5Lit5ZKM54Ot5p2l6KGo56S644CC
- 答案：RA==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.根据热化学方程式(在101kPa时)：S(s)+O2(g)=SO2(g)△H=-297.23kJ/mol分析下列说法中正确的是
| A: 1molS燃烧放出的热量为297.23kJ |
| B: S（g）+O2（g）=SO2（g）放出的热量大于297.23kJ |
| C: S（s）+O2（g）=SO2（s）放出的热量小于297.23kJ |
| D: 形成1molSO2的化学键释放的能量小于断裂1molS（s）和1molO2（g）的化学键所吸收的能量 |
一次做对，真牛！
+5奖励规则>
- 提示1：55SxU++8iHPvvIkrTzxzdWI+Mjwvc3ViPu+8iGfvvInilZBTTzxzdWI+Mjwvc3ViPu+8iGfvvInilrNIPS0yOTcuMjNrSi9tb2zvvIzlj6/nn6Xor6Xlj43lupTkuLrmlL7ng63lj43lupQ=
- 提示2：U++8iHPvvIk9U++8iGfvvInkuLrlkLjng63ov4fnqIvvvIznlLHnm5bmlq/lrprlvovlj6/nn6XvvIxT77yIZ++8iStPPHN1Yj4yPC9zdWI+77yIZ++8ieKVkFNPPHN1Yj4yPC9zdWI+77yIZ++8ieKWs0jvvJwtMjk3LjIza0ovbW9s77yM5Lul5q2k5p2l6Kej562U77yO
- 答案：Qg==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.在25℃和101kPa时，有下列反应的热化学方程式H2（g）+ O2（g）═H2O（g）△H=-241.8kJ/mol；
H2（g）+O2（g）═H2O（1）△H=-285.8kJ/mol．
以下说法中错误的是
O2（g）═H2O（g）△H=-241.8kJ/mol；H2（g）+
O2（g）═H2O（1）△H=-285.8kJ/mol．以下说法中错误的是
| A: 1molH2燃烧生成1molH2O（g）时，放出241.8kJ的热量 |
| B: H2的燃烧热为285.8kJ |
| C: O2前面的表示参加反应的O2的物质的量 |
| D: 1mol液态水变成水蒸气时吸收44kJ的热量 |
一次做对，真牛！
+5奖励规则>
- 提示1：54Ot5YyW5a2m5pa556iL5byP5piv6KGo56S65YyW5a2m5Y+N5bqU5Lit55qE54mp6LSo5Y+Y5YyW5ZKM54ST5Y+Y77yI6IO96YeP5Y+Y5YyW77yJ55qE5pa556iL5byP77yO4pazSOS4uuKAnC3igJ3kuLrmlL7ng63lj43lupTvvIzilrNI5Li64oCcK+KAneS4uuWQuOeDreWPjeW6lO+8jg==
- 提示2：54Ot5YyW5a2m5pa556iL5byP5Lit5YyW5a2m6K6h6YeP5pWw5Y+q6KGo56S66K+l54mp6LSo55qE54mp6LSo55qE6YeP77yM5LiN6KGo56S654mp6LSo5YiG5a2Q5Liq5pWw5oiW5Y6f5a2Q5Liq5pWw77yM5a6D5Y+v5Lul5piv5pW05pWw77yM5Lmf5Y+v5Lul5piv5YiG5pWw
- 答案：Qg==
Qe+8jueDreWMluWtpuaWueeoi+W8j+S4reKWs0jkuLrigJwt4oCd5Li65pS+54Ot5Y+N5bqU77yM5qC55o2uSDxzdWI+Mjwvc3ViPu+8iGfvvIkrPGltZyB3aWR0aD0yMyBoZWlnaHQ9MzAgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC81Ny9EMi9yQkFDSjFUMzAwaVNtT1V1QUFBQWNsNk9OU00wMzUucG5nIiA+TzxzdWI+Mjwvc3ViPu+8iGfvvInilZBIPHN1Yj4yPC9zdWI+T++8iGfvvInilrNIPS0yNDEuOGtKL21vbO+8m+WPr+efpe+8mjFtb2xIPHN1Yj4yPC9zdWI+54eD54On55Sf5oiQMW1vbEg8c3ViPjI8L3N1Yj5P77yIZ++8ieaXtu+8jOaUvuWHujI0MS44a0rnmoTng63ph4/vvI7mlYVB5q2j56Gu77yOPGJyPkLvvI7lnKgyNeKEg+WSjDEwMWtQYeaXtu+8jDFtb2zlj6/nh4Pnianlrozlhajnh4Png6fnlJ/miJDnqLPlrprnmoTljJblkIjnianml7bmiYDmlL7lh7rnmoTng63ph4/vvIzlj6vlgZror6XnianotKjnmoTnh4Png6fng63vvI7moLnmja48YnI+SDxzdWI+Mjwvc3ViPu+8iGfvvIkrPGltZyB3aWR0aD0yMyBoZWlnaHQ9MzAgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC81Ny9EMi9yQkFDSjFUMzAwaVNtT1V1QUFBQWNsNk9OU00wMzUucG5nIiA+TzxzdWI+Mjwvc3ViPu+8iGfvvInilZBIPHN1Yj4yPC9zdWI+T++8iDHvvInilrNIPS0yODUuOGtKL21vbO+8juWPr+efpe+8mjFtb2xIPHN1Yj4yPC9zdWI+54eD54On55Sf5oiQ56iz5a6a55qEMW1vbEg8c3ViPjI8L3N1Yj5P77yIMe+8ieaUvuWHujI4NS44a0rnmoTng63ph4/vvI7kvYbnh4Png6fng63nmoTljZXkvY3kuLprSi9tb2zvvI7mlYVC6ZSZ6K+v77yOPGJyPkPvvI7ng63ljJblrabmlrnnqIvlvI/kuK3ljJblraborqHph4/mlbDlj6rooajnpLror6XnianotKjnmoTnianotKjnmoTph4/vvIzmlYVPPHN1Yj4yPC9zdWI+5YmN6Z2i55qEMTLooajnpLrlj4LliqDlj43lupTnmoRPPHN1Yj4yPC9zdWI+55qE54mp6LSo55qE6YeP6K+05rOV5q2j56Gu77yO5pWFQ+ato+ehru+8jjxicj5E77yO5qC55o2uSDxzdWI+Mjwvc3ViPu+8iGfvvIkrPGltZyB3aWR0aD0yMyBoZWlnaHQ9MzAgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC81Ny9EMi9yQkFDSjFUMzAwaVNtT1V1QUFBQWNsNk9OU00wMzUucG5nIiA+TzxzdWI+Mjwvc3ViPu+8iGfvvInilZBIPHN1Yj4yPC9zdWI+T++8iGfvvInilrNIPS0yNDEuOGtKL21vbO+8m+KRoDxicj5IPHN1Yj4yPC9zdWI+77yIZ++8iSs8aW1nIHdpZHRoPTIzIGhlaWdodD0zMCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzU3L0QyL3JCQUNKMVQzMDBpU21PVXVBQUFBY2w2T05TTTAzNS5wbmciID5PPHN1Yj4yPC9zdWI+77yIZ++8ieKVkEg8c3ViPjI8L3N1Yj5P77yIMe+8ieKWs0g9LTI4NS44a0ovbW9s4pGhPGJyPueUseKRoC3ikaHlvpfvvJpIPHN1Yj4yPC9zdWI+T++8iDHvvIk9SDxzdWI+Mjwvc3ViPk/vvIhn77yJ77yb4pazSD00NGtKMW1vbOa2suaAgeawtOWPmOaIkOawtOiSuOawlOaXtuWQuOaUtjQ0a0rnmoTng63ph488YnI+5pWFROato+ehru+8jjxicj7mlYXpgIlC77yO
