List 3 ways to increase the solubility of a liquid

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Smog is the term used to describe the combination of fog and smoke

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents