the equilibrium constant for the reaction AgBr(s) --->Ag(aq) +Br(aq) is the solubility product constant, Ksp= 7.7 x 10^13 at 25C. Calculate the Delta G for the reaction when [Ag]=1.0 x 10-2M and [Br]=1.0 x 10-3M, Is the reaction spontaneous or nonspontaneous at these concentrations