Which of the following expressions is the correct equilibrium-constant expression for the reaction below? HF(aq)+H2O(I)H3O+(aq)+F(aq) Select one: a. \fs55Kc=[HF]/c[H3O+]/c[F]/c b. \ fs 5Kc=[H3O+]/c[F]/c[HF]/c c. \fs5Kc=[HF]/c[H2O]/c[H3O+]/c[F]/c d. \fs5Kc=1[H3O+]/c[F]/c e. \ fs 5Kc=[H3O+]/c[F]/c1 EQ01E07 The equilibrium constant for the gas phase reaction N2(g)+3H2(g)2NH3(g) is Keq=4.34103 at 300C. At equilibrium, Select one: a. roughly equal amounts of products and reactants are present b. only products are present c. reactants predominate d. products predominate e. only reactants are present