Review Questions

1 . Given   the following   reaction:

2NO 2    (g)    +   2H 2    (g) →   N 2  (g)    +   2H 2 O  (g),

what    is  the law of  mass    action  equation?

2 . If  Kc  >>  1,

(A) the equilibrium mixture will    favor   products    over    reactants

(B) the equilibrium mixture will    favor   reactants   over    products

(C) the equilibrium amounts of  reactants   and products    are equal

(D) the reaction    is  irreversible

3 . Answer  the following   questions   using   the reaction    given   below.

CH 3 OH (l) +   H 2     (g) →   CH 4     (g)    +   H 2 O   (l)

If  the reaction    releases    energy, in  which   direction   would   the reaction    be  shifted if  the

temperature were    increased?

(A)

(B) In  which   direction   would   the reaction    be  shifted if  the volume  were    doubled?

In  which   direction   would   the reaction    be  shifted if  CH 4 ,  methane,    were    removed from

the reaction    vessel?

(C)

4 . What    is  the concentration   of  the Ag+ ion in  a   saturated   solution    of  AgCl?   (Ksp    for AgCl    =   1.7

×    10 −10)