Forces acting in water l Electrostatic – interactions between charges l Hydrogen bonds – hydrogen shared between two electronegative atoms l van der Waals – weak induced dipole interactions between any two atoms in close contact l Hydrophobic interactionsForces acting in water l Electrostatic – interactions between charges l Hydrogen bonds – hydrogen shared between two electronegative atoms l van der Waals – weak induced dipole interactions between any two atoms in close contact l Hydrophobic interactions