•Cl2(g) + H2(g) D 2HCl(g)
 •K
 = 2.6 x 1033 and DH = -44kcal at 25oC
 •Is
 the rxn endo or exothermic?
 •Are
 the reactants or products favored at equil?
 •What happens
 when:
 •increase
 pressure
 •inc conc of HCl
 •inc conc of Cl2
 •dec conc of H2
 •add a catalyst.