a 3.35g sample of solid silver reacted in excess chlorine gass to give a 4.45g sample of pure solid AgCl. the heat given off was 3.95kJ at constant pressure. what is th enthalpy of formation of AgCl?
How many moles AgCl is 4.45g?
4.45/molar mass AgCl.
Then -3.95 kJ/moles AgCl = ??