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 !