Change in enthalpy for reaction,

2H2O2(l) 2H2O(l) + O2(g)

if the heat of formation of H2O2(l) and H2O(l) are -188 and -286 kJ/mol respectively is           

(a) -196 kJ/mol              (b) + 196 kJ/mol

(c) +948 kJ/mol             (d) -948 kJ/mol

Concept Videos :-

#4 | Heat
#26 | Entropy
#29 | Entropy Change Calculation: Case II, III & IV

Concept Questions :-

Enthalpy and It's Type
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