How Many KJ of Heat Are Needed to Completely Vaporize

question 67

Multiple Choice

How many kJ of heat are needed to completely vaporize 3.30 moles of H₂O? The heat of vaporization for water at the boiling point is 40.6 kJ/mole.

• A)12.3
• B)134
• C)67.0
• D)2.26
• E)none of the above

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