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The bond dissociation energy of hydrogen bonds in a water molecule is ______________

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The bond dissociation energy of hydrogen bonds in a water molecule is ______________

(a) 470 kJ/mole

(b) 470 J/mole

(c) 23 kJ/mole

(d) 23 J/mole

I got this question in class test.

This is a very interesting question from Weak Interactions in Aqueous Systems in portion Water Basics of Biochemistry

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The correct answer is (c) 23 kJ/mole

The explanation is: The energy required to break the hydrogen bonds (H-H) in water molecule is 23 kJ/mole.

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