化学反应速率的测定.ppt

化学反应速率的测定化学反应速率的测定 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. ?目的与要求?实验的重点和难点?仪器和试剂?基本操作?实验原理?实验内容?数据记录和处理?注意事项?思考题 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 实验目的与要求 1、了解浓度、温度和催化剂对反应速率的影响 2、学习过二硫酸铵与碘化钾反应的反应速率测定的原理和方法,计算反应速率和反应速率常数。 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 重点与难点数据处理作图法处理数据 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. ·L -1 (NH 4) 2S 2O 8 ·L -1 KI ·L -1 Na 2S 2O 3 ·L -1 KNO 3 ·L -1 (NH 4) 2 SO 4 % 淀粉溶液 ·L -1 Cu(NO 3) 2 仪器与试剂仪器: 烧杯大试管量筒秒表温度计水浴锅液体药品: 材料:冰 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 1、量筒的使用 2、秒表的使用 3、数据处理方法基本操作 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 实验原理水溶液中过二硫酸铵和碘化钾发生如下反应: S 2O 8 2- + 3I - ===2SO 4 2- + I 3 - (1) 其反应的微分速率方程可表示为: kv -IOS 282 ??t cv??-- = 平均速率 282OS Evaluation only. Evaluation only. Created with