can somebody please show work and explain how to do these questions. I would really appreciate it

AH = -873.0 kJ 19. Consider the following reaction: 2 K(s) + Cl2(g) 2 KCl (5) How much heat is released if 5 moles of potassium react? a) 2183 k] b) 349.2 kJ c) 174.6 kJ d) 4365 kJ AH = -873.0 kJ 20. Consider the following reaction: 2 K(s) + Cl2(g) + 2 KCI (S) How much heat is released if 5.0 grams of potassium react? a) 174.6 kJ b) 55.8 kJ C 111.6 kJ d) 4365 kJ