The ionization enthalpy of Na formation from Na is 495.8kJ mol , while the electron gain enthalpy of — Chemical Bonding Chemistry Question

Question

The ionization enthalpy of Na formation from Na is 495.8kJ mol , while the electron gain enthalpy of Br is -325.0 kJ mol . Given the lattice enthalpy of NaBr is -728.4 kJ mol . The energy for the formation of NaBr ionic solid is (-) _______ × 10 kJ mol . + (g) -1 -1 -1 -1 -1