1.

The average O-H bond energy with the help of following data is: (1) 2H(g)⟶H2(g) ;ΔH=−435.0 kJ mol−1 (2) O2(g)⟶2O(g) ;ΔH=+ 489.6 kJ mol−1 (3) 12H2(g)+12O2(g)⟶OH ;ΔH=−42.09 kJ mol−1

Answer»

The average O-H bond energy with the help of following data is:

(1) 2H(g)⟶H2(g) ;ΔH=−435.0 kJ mol−1

(2) O2(g)⟶2O(g) ;ΔH=+ 489.6 kJ mol−1

(3) 12H2(g)+12O2(g)⟶OH ;ΔH=−42.09 kJ mol−1


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