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2L的容器中进行反应
，刚开始时，N2为6mol，H2为10mol，3min后测得NH3为1.2mol，则此时间内，下列反应速率表示正确的是
，刚开始时，N2为6mol，H2为10mol，3min后测得NH3为1.2mol，则此时间内，下列反应速率表示正确的是 | A: v（H2）=0.3mol/（L•min） |
| B: v（N2）=1.0mol/（L•min） |
| C: v（NH3）=0.2mol/（L•s） |
| D: v（H2）=1.67mol/（L•min） |
一次做对，真牛！
+5奖励规则>
- 提示1：IDNtaW7lkI7mtYvlvpfmtYvlvpdOSDxzdWI+Mzwvc3ViPuS4ujEuMm1vbO+8jOWNs05IPHN1Yj4zPC9zdWI+5rWT5bqm5Li6MC42bW9sL0w=
- 提示2：IDxpPnY8L2k+77yITkg8c3ViPjM8L3N1Yj7vvIk9PGltZyB3aWR0aD03MyBoZWlnaHQ9NDQgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84RC8yNC9yQkFDRTFUNVhzRFJETXFaQUFBRERaMnJwNms2NDgucG5nIj4=
- 答案：QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.反应
刚开始时，N2的浓度为3mol/L，H2的浓度5mol/L，3min后测得NH3浓度为0.6mol/L，则此时间内，下列反应速率表示正确的是（ ）
刚开始时，N2的浓度为3mol/L，H2的浓度5mol/L，3min后测得NH3浓度为0.6mol/L，则此时间内，下列反应速率表示正确的是（ ） | A: v（NH3）=0.2mol/（L•min） |
| B: v（N2）=1mol/（L•min） |
| C: v（H2）=1.67mol/（L•min） |
| D: v（H2）=1.37mol/（L•min） |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWvueS6jui/meexu+mXrumimOWPr+S7peeUqOS4ieauteW8j+azleaxgueul+WQhOeJqei0qOihqOekuueahOWPjeW6lOmAn+eOhw==
- 提示2：IDxpbWcgd2lkdGg9MzQ4IGhlaWdodD0xMTEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84RC8yNC9yQkFDRTFUNVh4SERYbWJQQUFBUWlCVVVFUDg5MjYucG5nIj4=
- 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：
3.一定条件下N2和H2在密闭容器中反应生成NH3. 已知它们的起始浓度分别是：N2 1.8mol•L-1；H2 5.4mol•L-1，10min后测得N2的浓度是0.8mol•L-1，则在这10min内NH3的平均反应速率是
| A: 0.1mol•L-1•min-1 |
| B: 0.2mol•L-1•min-1 |
| C: 0.3mol•L-1•min-1 |
| D: 0.6mol•L-1•min-1 |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9MzU3IGhlaWdodD0xMTEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC81OC81QS9yQkFDSjFUNVh4ckNnMFRJQUFBUTB5QWFDcU02MTkucG5nIj4=
- 答案：Qg==
6YeH55So5LiJ5q615byP6Kej5Yaz5q2k57G76Zeu6aKY77yaPGJyPjxpbWcgd2lkdGg9MzU3IGhlaWdodD0xMTEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC81OC81QS9yQkFDSjFUNVh4ckNnMFRJQUFBUTB5QWFDcU02MTkucG5nIj48YnI+PGk+djwvaT7vvIhOSDxzdWI+Mzwvc3ViPu+8iT08aW1nIHdpZHRoPTgxIGhlaWdodD00NSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzU4LzVBL3JCQUNKMVQ1WHhyZ3RjWGVBQUFDLTVIMW5aSTkwMy5wbmciPj0wLjJtb2wmIzgyMjY7TDxzdXA+LTE8L3N1cD4mIzgyMjY7bWluPHN1cD4tMTwvc3VwPu+8jDxicj7mlYXpgIlCLiA=
本课配套习题挑战模式4/5
单选题
难度系数：
4.往2L密闭容器中充入8.0mol气态反应物A，2min后，测得A还剩余2.0mol，则2min内A的化学反应速率为
| A: 1.0mol/（L•min） |
| B: 1.5mol/（L•min） |
| C: 2.0mol/（L•min） |
| D: 3.0mol/（L•min） |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWmguaenOWPr+S7peebtOaOpeiuoeeul+WHuuafkOS4gOenjeeJqei0qOeahOWPmOWMlumHj++8jOWImeS4jeW/heWIl+WHuuS4ieauteW8j+OAguS4jemcgOimgeiIjei/keaxgui/nOOAgg==
- 答案：Qg==
Mm1pbuWGhUHnmoTljJblrablj43lupTpgJ/njoc8aT52PC9pPj08aW1nIHdpZHRoPTE2NSBoZWlnaHQ9NDUgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84RC8yNC9yQkFDRTFUNVh6eml2ODEzQUFBRDVNZjRZdGs4OTQucG5nIj49MS41bW9sL0zvvJs8YnI+5pWF6YCJQi4g
本课配套习题挑战模式5/5
单选题
难度系数：
5.将等物质的量的A和B混合于2L的密闭容器中，发生如下反应：3A（g）+B（g）===xC（g）+2D（g），经过5min后测得D的浓度为0.5mol/L，c（A）：c（B）=3：5，C的反应速率为0.1mol/（L•min），下列说法中不正确的是
| A: 5min末，A的浓度为0.75mol/L |
| B: 0-5min时，B的平均反应速率为0.05mol/（L•min） |
| C: B的起始物质的量为1.5mol |
| D: x=2 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOiuvkHlkoxC6LW35aeLPGI+5rWT5bqmPC9iPuS4um4gbW9sL0zvvIzmoLnmja41bWlu5ZCOROeahOa1k+W6pu+8jOWPr+S7peWIl+WHuuWPjeW6lOeahOS4ieauteW8j++8mg==
- 提示2：PGltZyB3aWR0aD00NDIgaGVpZ2h0PTk3IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNTgvMjAvckJBQ0psVDVYMldnSlp4Z0FBQVFSdWhKSDlrMTYyLnBuZyI+
- 提示3：Mi4g5qC55o2uQ+eahOWPjeW6lOmAn+eOh+WPr+S7peaxguWHujxpPng8L2k+55qE5YC844CC
- 提示4：My4g5YaN5qC55o2uNSBtaW7lkI4gY++8iEHvvInvvJpj77yIQu+8ieWPr+S7peaxguWHumPnmoTlgLzjgII=
- 提示5：NC7lsIY8aT54PC9pPjxpPuOAgTwvaT5j55qE5YC85YiG5Yir5bim5YWl77yM5YiZ5ZCE54mp6LSo6KGo56S655qE5Y+N5bqU6YCf546H6YO95Y+v5Lul5rGC5Ye644CC
- 答案：Qw==
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
