AL 64. One gram sample of ammonium nitrate is decomposed in a Domb calorimeter. The temperature of calorimeter increases by 6.12 K. The heat capacity of the system is 1.23 kJ/g/deg. What 1s the molar heat of decomposition of NH,NO, DCE 2006] (a)-7.53 kJ mol (b)-398.1 kJ mol (d) -602 kJ mol nv af a certain reaction at 273 K is -20.75 kl. The se - 16.1 kJ mo