Which statement best explains water's ability to dissolve covalent compounds?

For the dissolution of LiCl in water, ∆H_soln = -37 kJ/mol. Which term would you expect to be the largest negative number: ∆H_solvent, ∆H_solute, or ∆H_mix?

Which of the following in each pair is likely to be more soluble in water: (b) propionic acid (CH₃CH₂COOH) or sodium propionate (CH₃CH₂COONa)

As the intermolecular attractive forces between molecules increase in magnitude, do you expect each of the following to increase or decrease in magnitude? (b) heat of vaporization,