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.
化学反应速率公式是由实验测定的. 例如H2+Cl2=2HCl的速率公式可表示为： v=kcm（H2）cn（Cl2），式中k为反应速率常数，m和n的数值可以用下表的数据推算出：
| c(H2)mol/L | c(Cl2)mol/L | v mol/(L·s) |
| 1.0 | 1.0 | 1.0k |
| 2.0 | 1.0 | 2.0k |
| 2.0 | 4.0 | 4.0k |
由此推知，m和n的正确的值为
| A: m=1；n=1 |
| B: m= |
| C: m= |
| D: m=1；n= |
；n=
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5qC55o2uPGk+djwvaT49a2M8c3VwPm08L3N1cD7vvIhIPHN1Yj4yPC9zdWI+77yJYzxzdXA+bjwvc3VwPu+8iENsPHN1Yj4yPC9zdWI+77yJ5YiX5LiJ57uE5pa556iL5L6/5Y+v6Kej5Ye6beOAgW7nmoTlgLzjgII8L3A+
- 答案：RA==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.化学反应速率是通过实验测定的，下列化学反应速率的测量中测量依据不可行的是
| 选项 | 化学反应 | 测量依据（单位时间内） |
| A | CO（g）+H2O（g）===CO2（g）+H2（g） | 压强变化 |
| B | Zn+H2SO4 ===ZnSO4+H2 | H2体积 |
| C | 2NO2 N2O4 | 颜色深浅 |
| D | Ca(OH)2+Na2CO3===CaCO3↓+2NaOH | 沉淀质量 |
| A: A |
| B: B |
| C: C |
| D: D |
一次做对，真牛！
+5奖励规则>
- 提示1：IEHpobnlj43lupTliY3lkI7msJTkvZPkvZPnp6/kuI3lj5jvvIzljovlvLrkuI3lj5jvvIzlm6DmraTkuI3og73liKnnlKjljovlvLrnmoTlj5jljJbmnaXmtYvph4/lj43lupTpgJ/njofvvJs=
- 提示2：IELpobnkuqfnlJ9IPHN1Yj4yPC9zdWI+77yM5Zug5q2k5Y+v5Lul5qC55o2u5Lqn55Sf55qESDxzdWI+Mjwvc3ViPuS9k+enr+a1i+WumuWPjeW6lOmAn+eOh++8mw==
- 提示3：IOWboOS4uk5PPHN1Yj4yPC9zdWI+57qi5qOV6Imy77yMTjxzdWI+Mjwvc3ViPk88c3ViPjQ8L3N1Yj7ml6DoibLvvIzlm6DmraTlj6/ku6XmoLnmja7popzoibLmt7HmtYXmnaXliKTmlq3lj43lupTpgJ/njofvvJs=
- 提示4：5Y+N5bqU5Lqn55Sf5rKJ5reA77yM5Zug5q2k5Y+v5Lul5qC55o2u5Lqn55Sf55qE5rKJ5reA6LSo6YeP5rWL6YeP5Y+N5bqU6YCf546H44CC
- 答案：QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.在Na2S2O3和H2SO4反应中，该反应速率可通过测定出现浑浊所需的时间来测定，分析下列实验数据记录，可推测出现混浊的时间由快到慢的顺序是（ ）
| 序号 | Na2S2O3溶液 | 稀H2SO4 | 出现混浊时间 | ||
| 浓度 | 用量 | 浓度 | 用量 | ||
| （1） | 0.1mol•L-1 | 10mL | 0.1mol•L-1 | 10mL | t1 |
| （2） | 0.1mol•L-1 | 10mL+5mL水 | 0.1mol•L-1 | 10mL | t2 |
| （3） | 0.1mol•L-1 | 10mL | 0.1mol•L-1 | 5mL+5mL水 | t3 |
| （4） | 0.1mol•L-1 | 5mL | 0.1mol•L-1 | 5mL | t4 |
| A: t3＜t2＜t1=t4 |
| B: t1<t4＜t3＜t2 |
| C: t1=t4＜t3＜t2 |
| D: t1<t4＜t3=t2 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruehq+S7o+ehq+mFuOmSoOS4jueogOehq+mFuOWPjeW6lOeUn+aIkOS6huWNlei0qOehq++8jOa6tua2suWPmOa1kea1iu+8jOWPr+S7peWIpOaWreWPjeW6lOmAn+eOh+W/q+aFou+8mw==
- 提示2：IOWPjeW6lOeJqea1k+W6pui2iuWkp++8jOWPjeW6lOmAn+eOh+i2iuW/q++8jOWHuueOsOa1kea1iuaXtumXtOi2iuefre+8mw==
- 答案：Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.通过实验测定反应速率的方法有多种，为证明化学反应速率与反应的浓度有关. 有同学设计如下实验：
下列说法中错误的是（ ）
下列说法中错误的是（ ） | A:比较锌粒与不同浓度硫酸反应时的速率，如图装置可通过测定收集等体积H2需要的时间来实现； |
| B:比较锌粒与不同浓度硫酸反应时的速率，如图装置可通过测定单位时间内收集H2的体积来实现； |
| C:在KMnO4与H2C2O4反应中，可通过测定溶液褪色所需时间来测定该反应的速率； |
| D:依据稀硫酸体积的减小量判断反应速率的快慢 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOmUjOeykuS4juehq+mFuOWPjeW6lOeUn+aIkOawouawlO+8jOWPr+mAmui/h+a1i+WumuS4jeWQjOehq+mFuOa1k+W6puaXtu+8jOaUtumbhuetieS9k+enr0g8c3ViPjI8L3N1Yj7pnIDopoHnmoTml7bpl7Tplb/nn63liKTmlq3lj43lupTpgJ/njofnmoTvvJs=
- 提示2：IOWPr+S7pemAmui/h+WNleS9jeaXtumXtOWGheaUtumbhkg8c3ViPjI8L3N1Yj7nmoTkvZPnp6/mnaXliKTmlq3lj43lupTpgJ/njofnmoTlv6vmhaLvvJs=
- 提示3：IEtNbk88c3ViPjQ8L3N1Yj7kuI5IPHN1Yj4yPC9zdWI+QzxzdWI+Mjwvc3ViPk88c3ViPjQ8L3N1Yj7lj43lupTkuK3vvIzpq5jplLDphbjpkr7kuLrntKvoibLvvIzpmo/nnYDlj43lupTov5vooYzvvIzpopzoibLpgJDmuJDopKrljrvjgILlm6DmraTlj6/ku6XmoLnmja7lj43lupTopKroibLnmoTml7bpl7TmnaXmtYvlrprlj43lupTpgJ/njofvvJs=
- 提示4：5Y+N5bqU5raI6ICX56Gr6YW477yM5L2G56iA56Gr6YW455qE5L2T56ev5Yeg5LmO5L+d5oyB5LiN5Y+Y44CC5Zug5q2k5LiN6IO955So5raI6ICX56iA56Gr6YW455qE5L2T56ev5p2l5rWL5a6a5Y+N5bqU6YCf546H44CC
- 答案：RA==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.“碘钟”实验中，3I-+S2O82-===I3-+2SO42-的反应速率可以用I3-与加入的淀粉溶液显蓝色的时间t来度量，t越小，反应速率越大. 某探究性学习小组在20℃进行实验，得到的数据如表：
下列关于该实验的分析正确的是（ ）
| 实验编号 | ③ | ② | ③ | ④ | ⑤ |
| c(I-) mol/L | 0.040 | 0.080 | 0.080 | 0.160 | 0.160 |
| c(S2O82-) mol/L | 0.040 | 0.040 | 0.080 | 0.020 | 0.040 |
| t/s | 88.0 | 44.0 | 22.0 | 44.0 | t2 |
| A: 该实验的目的是探究反应物的浓度对反应速率的影响 |
| B: 显色时间t2=44.0s |
| C: 若在40℃下进行编号③对应浓度的实验，显色时间t2的范围为＞22.0 s |
| D: 通过分析比较上表数据得到的结论是升高温度反应速率加快 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOeUsemimOebruS4reihqOagvOaVsOaNruWPr+WIhuaekOWHumPvvIhJPHN1cD4tPC9zdXA+77yJ44CBY++8iFM8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+PHN1cD4yLTwvc3VwPu+8iea1k+W6pui2iuWkp++8jOWPjeW6lOmAn+eOh+i2iuW/q++8jOaYvuiTneiJsuaJgOmcgOaXtumXtOi2iuWwke+8jOaVheWunumqjOebrueahOW6lOaYr+eglOeptuWPjeW6lOeJqUk8c3VwPi08L3N1cD7kuI5TPHN1Yj4yPC9zdWI+TzxzdWI+ODwvc3ViPjxzdXA+Mi08L3N1cD7nmoTmtZPluqblr7nlj43lupTpgJ/njofnmoTlvbHlk40=
- 提示2：IOWIhue7hOWvueavlOaVsOaNru+8jOWPr+S7peWIhuWIq+aJvuWIsGMg77yIUzxzdWI+Mjwvc3ViPk88c3ViPjg8L3N1Yj48c3VwPjItPC9zdXA+77yJ44CBYyDvvIhJPHN1cD4tPC9zdXA+77yJ5a+55rWT5bqm55qE5b2x5ZON56iL5bqm44CC
- 提示3：IOWNh+mrmOa4qeW6puWPjeW6lOmAn+eOh+WKoOW/q++8jOaJgOS7peaYvuiTneiJsuaJgOmcgOaXtumXtOWHj+Wwke+8jDQw4oSD5LiL6L+b6KGM57yW5Y+34pGi5a+55bqU5rWT5bqm55qE5a6e6aqM77yM5pi+6Imy5pe26Ze0dDxzdWI+Mjwvc3ViPueahOiMg+WbtOS4uu+8nDIyLjBz77yM
- 答案：QQ==
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
