
Interpretation: The heat absorbed by a certain quantity of liquid water changes into vapor at specified conditions.
Concept Introduction: The enthalpy of vaporization is the amount of energy that must be added to a liquid substance to transform a quantity of that substance into a gas.

Answer to Problem 24SP
The heat absorbed when
Explanation of Solution
The enthalpy of the vaporization of water at
This means that to convert 1 mole of water at
Moles of a substance is found by dividing the given amount of substance by the molecular mass of the substance.
Amount of water
Moles of water =
For the conversion of 1 mole of water at
Thus, for the conversion of
Chapter 17 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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