25o C k 0/(s/m)0.198
30o C k 0/(s/m)0.022
25摄氏度下电导率随时间变化
时间/min 4681012152025303542电导率/(s/m)0.1780.170.1630.1570.1520.1450.1360.1290.1240.1190.116(k 0-k t)/t 0.0050.0050.0040.0040.0040.0040.0030.0030.0020.0020.00230摄氏度下电导率随时间变化
时间/min 4681012151821242730电导率/(s/m)0.1870.1790.1720.1650.1590.1530.1490.1420.1390.1360.133k 0-k t /t 0.0080.0070.0060.0050.0050.0040.0040.0040.0030.0030.003乙酸乙酯的皂化反应
起始电导率的测定
y = 21.08x + 0.0710.08
0.13
0.18
0.2300.0020.0040.00625摄氏度kt 对(k0-kt )/t 变化图
线y = 10.80x + 0.1030.090.11
0.130.150.170.19
0.21
00.0050.01
25摄氏度时,1/(ck)=21.08 所以反应常数k=2.371917
30摄氏度时,1/(ck)=10.8 所以反应常数k=4.62963
根据Arrhenius 公式,反应的活化能E=100411KJ/mol
100411