Determine Hf (HCl(g) ) from the following data. H-Cl bond enthalpy = +431 kJ.mol-1
Hf (H(g) ) = +217.9 kJ.mol-1
Hf (Cl(g) ) = +121.4 kJ.mol-1
A) +92 kJ.mol-1
B) (-261 kJ.mol-1 )
C) (-431 kJ.mol-1 )
D) +431 kJ.mol-1
E) (-92 kJ.mol-1 )
Correct Answer:
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