Question: Q7. The Enthalpy change ( H ) for a reaction is given below. H2 (g) + 1/2 O2 (g) H2O(l) H = 286 kJ

Q7. The Enthalpy change ( H ) for a reaction is given below.

H2 (g) + 1/2 O2 (g) H2O(l) H = 286 kJ

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