13. Which of the following statements is/are CORRECT?
1.For a chemical system, if the reaction quotient (Q) is greater than K, reactant must be converted to products to reach equilibrium.
2.For a chemical system at equilibrium, the forward and reverse rates of reaction are equal.
3.For a chemical system at equilibrium, the concentrations of products divided by the concentrations of reactants equals one.



a. 1 only
b. 2 only
c. 3 only
d. 1 and 2
e. 1, 2, and 3

Answer: _____


14. Write the expression for K for the reaction below.
Co2(CO3)3(s)    2 Co3+(aq) + 3 CO32–(aq)


Answer: