8. which of the following statements is true?
a) all spontaneous processes are exothermic.
b) all nonspontaneous processes are endothermic.
c) all spontaneous processes release free energy
d) entropy always increases in a spontaneous process.

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.