The amount of energy needed to melt a substance at its melting point is called the heat of fusion and forwater the value is 6.01 kJ/mol. The amount of energy needed to vaporize a substance at its boiling point iscalled the heat of vaporization and for water the value is 40.7 kJ/mol. Use the relative distances in thestates of matter and the concepts intermolecular forces to explain the difference.
The amount of energy needed to melt a substance at its melting point is called the heat of fusion and forwater the value is 6.01 kJ/mol. The amount of energy needed to vaporize a substance at its boiling point iscalled the heat of vaporization and for water the value is 40.7 kJ/mol. Use the relative distances in thestates of matter and the concepts intermolecular forces to explain the difference.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter10: Liquids And Solids
Section: Chapter Questions
Problem 44E: The enthalpy of vaporization of water is larger than its enthalpy of fusion. Explain why.
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The amount of energy needed to melt a substance at its melting point is called the heat of fusion and for
water the value is 6.01 kJ/mol. The amount of energy needed to vaporize a substance at its boiling point is
called the heat of vaporization and for water the value is 40.7 kJ/mol. Use the relative distances in the
states of matter and the concepts intermolecular forces to explain the difference.
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