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