丙酮碘化数据处理.docx

1. =0.0015molL-1 ;T=0.256; lgT=-0.592 ; =0.592/0.0015 =394.72.求速率常数25时实验数据（5 mL 溶液 5 mL HCl溶液 5 mL丙酮溶液）t/minT/%lgT033.6-0.47235.8-0.45438.3-0.417640.8-0.39843.5-0.361046.4-0.331249.4-0.3061452.7-0.2781656.3-0.2491860.1-0.22125时lgT-t的关系曲线由图得：Y=-0.47375+0.01403Xk1=K/LCACH =0.01403/(394.5*0.2*0.1) =0.00177830时实验数据（5 mL溶液 5 mL HCl溶液 5 mL丙酮溶液）t/minT/%lgT028.9-0.539130-0.523231.1-0.507332.5-0.488434.5-0.462536.4-0.439638.4-0.416740.7-0.39842.9-0.368945.4-0.3431047.8-0.3211150.7-0.29530时lgT-t的关系曲线（由于第一组数据偏差啊 较大，故计算时舍去） 由图得：Y=-0.56496+0.02477Xk2=K/LCACH =0.02477/(394.5*0.2*0.1) =0.0031393.活化能的计算： T1=25.0=298K T2=30.0=303K R=8.314 J/(K*mol)k1=0.001778k2=0.003139综上带入数据得=8.314 x 298 x 303/(303-298) ln(0.03139/0.01778)=85342.3 J4.反应级数的测定实验一： 25（5 mL 溶液 5 mL HCl溶液 5 mL丙酮溶液）所测实验数据列表t/minT/%LnT033.6-1.09064235.8-1.02722438.3-0.95972640.8-0.89649843.5-0.832411046.4-0.767871249.4-0.705221452.7-0.640551656.3-0.574481860.1-0.50916 根据上述数据画得lnT-t的关系曲线由图得：Y=-1.09047+0.03223Xr1=0.03223实验二： 25 （5 mL 溶液5 mL HCl溶液 10 mL丙酮溶液）所测实验数据列表t/minT/%043.4-0.83471249.2-0.70928459.9-0.51249663.7-0.45099872.3-0.324351082.1-0.197231292.9-0.0736512.951000 根据上述数据画得lnT-t的关系曲线由图得： Y=-0.81913+0.06279Xr2=0.06279实验三： 25 （5 mL 溶液 10 mL HCl溶液 5 mL丙酮溶液）所测实验数据列表t/minT/%LnT034.5-1.06421239.5-0.92887444.9-0.80073651-0.67334858-0.544731065.9-0.417031274.7-0.291691484.2-0.171981693.7-0.0650717.251000 根据上述数据画得lnT-t的关系曲线由图得:Y=-1.04953+0.06205Xr3=0.062058实验四： 30（5 mL 溶液 5 mL HCl溶液 5 mL丙酮溶液）所测实验数据列表t/minT/%LnT028.9-1.24133130-1.20397231.1-1.16796332.5-1.12393434.5-1.06421536.4-1.0106638.4-0.95711740.7-0.89894842.9-0.8463945.4-0.789661047.8-0.738141150.7-0.67924根据上述数据画得lnT-t的关系曲线由图得：Y=-1.26449+0.05231Xr4=0.05231m=( ln r2 /r1) /lnca (2)/ca(1) =ln(0.06279/0.03223) / ln(0.4/0.2) =1x=( ln r3 /r1) / lnc H (