Chem 2/WS98 Lab 404 Post lab (1) Write out the equilibrium-constant expression for the following (a) Mg(OH)2 -> Mg 2+ and 2OH- (b) N2 + 3 H2 -> 2 NH3 (c) MgCl2 + 2 NaOH -> Mg(OH)2 + 2 NaCl (2) Does heat have an effect on the equilibrium of a reaction ? Explain your answer !