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How Many KJ of Heat Are Needed to Completely Vaporize

Question 41

Multiple Choice

How many kJ of heat are needed to completely vaporize 23.4 g of H2O? The heat of vaporization for water at the boiling point is 40.6kJ/mole.


A) 31.2
B) 52.8
C) 23.4
D) 2.26
E) none of the above

Correct Answer:

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