Suppose the following reaction is at equilibrium at a given temperature and pressure. The pressure is then increased at constant temperature, by compressing the reaction mixture, and the mixture is allowed to re-establish equilibrium. At the new equilibrium ____.
H2(g) + Cl2(g) 2HCl(g)
a. there is more hydrogen chloride than there was originally
b. there is less hydrogen chloride than there was originally
c. there is the same amount of hydrogen chloride as there was originally
d. the hydrogen and chloride are completely used up
e. the amount of hydrogen chloride may be either larger or smaller than it was originally, depending on the value of K
Answer: c. there is the same amount of hydrogen chloride as there was originally