Table 3: Activation parameters of crotonic acid in different PEG media. Units of = dm3 mol−1 min−1.

Type of PEGPEG atEquation
% (V/V)300 KkJ/molJ/K/mol

0.50.01 = −9.907 + 22.70.99982.485.1−9.0
1.00.02 = −6.742 + 12.860.99956.083.3−91.0
PEG-2002.00.03 = −5.069 + 7.6880.99942.182.3−134
3.00.04 = −6.020 + 11.130.99950.081.5105
4.00.05 = −7.664 + 16.870.99964.081.2−57.3
5.00.06 = −7.062 + 14.920.99959.081.0−73.5

0.50.01 = −9.797 + 22.350.99981.485.0−12.0
1.00.02 = −8.070 + 17.250.99967.083.2−54.2
PEG-3002.00.04 = −4.233 + 5.1800.99835.281.5−154
3.00.05 = −6.852 + 14.130.99954.679.0−80.0
4.00.06 = −6.564 + 13.360.99954.580.4−86.5
5.00.08 = −9.440 + 23.130.99978.580.0−5.3

0.50.01 = −9.759 + 22.230.99981.285.0−13.0
1.00.02 = −7.864 + 16.590.99965.483.3−57.0
PEG-4002.00.04 = −4.189 + 5.0340.99935.082.0−155
3.00.05 = −8.018 + 17.930.99967.081.5−48.5
4.00.06 = −5.394 + 9.4540.99945.080.7−119
5.00.08 = −8.250 + 19.250.99868.680.0−37.5

0.50.01 = −9.630 + 21.810.99880.085.0−16.3
1.00.02 = −5.541 + 8.8520.99846.083.2−123
PEG-6002.00.03 = −5.256 + 8.4040.99944.082.3−128
3.00.04 = −5.421 + 9.2430.99845.081.2−120
4.00.06 = −4.492 + 6.4660.99737.480.5−144
5.00.09 = −6.254 + 12.730.99952.080.0−91.8