Discussion Forum



1)

Standard enthalpy  (heat) of formation of liquid water at 250C  is around

H2(g)+12O2(g)→H2O(l)


A) -237 kJ/mol

B) 237 kJ/mol

C) -286 kJ/mol

D) 286 kJ/mol

Answer:

Option C

Explanation:

(△H0f)water =-286 kJ/mol