中和热的计算在量热计中将100ml 0.5mol/L的ch3cooh溶液和100ml 0.5mol/L的naoh溶液混合,温度从298.16k升高到300.17k.已知量热计的热容常数为150.5J/K,0.25mol/ch3coona溶液比热容为4.03J/g·K,溶液的密度为0.963g/ml
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![中和热的计算在量热计中将100ml 0.5mol/L的ch3cooh溶液和100ml 0.5mol/L的naoh溶液混合,温度从298.16k升高到300.17k.已知量热计的热容常数为150.5J/K,0.25mol/ch3coona溶液比热容为4.03J/g·K,溶液的密度为0.963g/ml](/uploads/image/z/6258967-7-7.jpg?t=%E4%B8%AD%E5%92%8C%E7%83%AD%E7%9A%84%E8%AE%A1%E7%AE%97%E5%9C%A8%E9%87%8F%E7%83%AD%E8%AE%A1%E4%B8%AD%E5%B0%86100ml+0.5mol%2FL%E7%9A%84ch3cooh%E6%BA%B6%E6%B6%B2%E5%92%8C100ml+0.5mol%2FL%E7%9A%84naoh%E6%BA%B6%E6%B6%B2%E6%B7%B7%E5%90%88%2C%E6%B8%A9%E5%BA%A6%E4%BB%8E298.16k%E5%8D%87%E9%AB%98%E5%88%B0300.17k.%E5%B7%B2%E7%9F%A5%E9%87%8F%E7%83%AD%E8%AE%A1%E7%9A%84%E7%83%AD%E5%AE%B9%E5%B8%B8%E6%95%B0%E4%B8%BA150.5J%2FK%2C0.25mol%2Fch3coona%E6%BA%B6%E6%B6%B2%E6%AF%94%E7%83%AD%E5%AE%B9%E4%B8%BA4.03J%2Fg%C2%B7K%2C%E6%BA%B6%E6%B6%B2%E7%9A%84%E5%AF%86%E5%BA%A6%E4%B8%BA0.963g%2Fml)
中和热的计算在量热计中将100ml 0.5mol/L的ch3cooh溶液和100ml 0.5mol/L的naoh溶液混合,温度从298.16k升高到300.17k.已知量热计的热容常数为150.5J/K,0.25mol/ch3coona溶液比热容为4.03J/g·K,溶液的密度为0.963g/ml
中和热的计算
在量热计中将100ml 0.5mol/L的ch3cooh溶液和100ml 0.5mol/L的naoh溶液混合,温度从298.16k升高到300.17k.已知量热计的热容常数为150.5J/K,
0.25mol/ch3coona溶液比热容为4.03J/g·K,溶液的密度为0.963g/ml
求ch3cooh的中和热
中和热的计算在量热计中将100ml 0.5mol/L的ch3cooh溶液和100ml 0.5mol/L的naoh溶液混合,温度从298.16k升高到300.17k.已知量热计的热容常数为150.5J/K,0.25mol/ch3coona溶液比热容为4.03J/g·K,溶液的密度为0.963g/ml
在量热计中将100ml 0.5mol/L的ch3cooh溶液和100ml 0.5mol/L的naoh溶液混合----得到0.25mol/L的CH3COONa溶液200mL
温度从298.16k升高到300.17k.已知量热计的热容常数为150.5J/K,
0.25mol/ch3coona溶液比热容为4.03J/g·K,溶液的密度为0.963g/ml
温度变化t=300.17-298.16=2.01K
反应放出的热量Q=cmt=150.5*2.01+200*0.963*4.03*2.01
以上是0.05mol的CH3COOH中和放出的热量
ch3cooh的中和热=Q/0.05=37.08kJ/mol