Are my answers correct?

Use the data below, for 298.15K, to calculate the following quantities for the decomposition of NH4Br(s) to give NH3(g) and HBr(g). (a) 1H at 298.15K (b) 4.5 at 298.15K (c) .G at 298.15K Enter your answers in the specified units accurate to one decimal place. Do not include units with your answers. (a) The standard enthalpy of reaction at 298.15K is rH= kJmol1. (b) The standard entropy of reaction at 298.15K is rS= (c) The standard Gibbs energy of reaction at 298.15K is r= kJ mol 1