In the reaction below, how would adding more of product c affect the equilibrium of the system? (2 points)
a + b ⇄ c + d
select one:
a. shift it to the right toward the products.
b. shift it to the left toward the reactants.
c. equally create more products and reactants.
d. it would have no effect.

in the endothermic reaction below, how would adding heat affect the equilibrium of the system? (2 points)
a + b + energy ⇄ + d
select one:
a. shift it to the left toward the reactants.
b. shift it to the right toward the products.
c. equally create more products and reactants.
d. it would have no effect.

in the following reaction, if you wanted to produce more hydrochloric acid (hcl), what should you do? (2 points)
4hcl + o2 ⇄ 2h2o + cl2
select one:
a. add more h2o
b. add more o2
c. remove h2o
d. remove cl2