Table 8: Values of enthalpy of absorption ( ), entropy of absorption ( ), and Gibbs free energy ( ) of snail shell powder filled natural rubber (filler particle size, 0.300 μm).

SolventFiller content (g) (KJ/mol) (J/mol) (KJ/mol)

218.04 × 10215.3117.99 × 102
510.71 × 10212.9810.67 × 102
Benzene1012.71 × 10213.4912.67 × 102
156.81 × 10211.276.77 × 102
2014.09 × 10213.1714.05 × 102

221.48 × 10216.3221.43 × 102
526.08 × 10217.5926.03 × 102
Toluene1030.87 × 10218.9030.81 × 102
1521.49 × 10215.7721.44 × 102
2017.12 × 10214.2617.08 × 102

216.63 × 10215.1716.59 × 102
516.87 × 10215.1416.82 × 102
Xylene1013.98 × 10214.0113.94 × 102
167.88 × 10211.837.84 × 102
2015.41 × 10213.7615.36 × 102