1. Solving a chemistry problem

3. Calculate the work of adhesion for water, glycerin and benzene, which wet fluoroplastic. The surface tension (at the interface with air) of water, glycerin and benzene, respectively, is 71.96; 63.2; 28.9 mJ/m2, and the contact angles are 108, 100 and 46. Arrange the indicated substances in increasing order of their ability to wet fluoroplastic