How many kJ of heat will be evolved in making 22.4 L at STP (1.00 mol) of H2S from Fes and dilute hydrochloric acid?

How many kJ of heat will be evolved in
making 22.4 L at STP (1.00 mol) of H2S
from Fes and dilute hydrochloric acid?
The enthalpies of formation of Fes(s), H
(aq), Fe2+(aq), Cl-(aq), H2S (g) are -95.4,0,
-87.9, -167.0,-20.6 kcal/mol respectively.
-180.1 kJ/mol
/
+180.1 kJ/mol
-13.1 kcal/mol
-13.1 kJ/mol​

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