Living by Chemistry
2nd Edition
ISBN: 9781464142314
Author: Angelica M. Stacy
Publisher: W. H. Freeman
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Concept explainers
Question
Chapter U5.99, Problem 2E
Interpretation Introduction
Interpretation: Heat of vaporization is needs to be explained.
Concept Introduction: The Heat of Vaporization is the quantity of heat that requires to be consumed to vaporize an appropriate amount of liquid at a constant temperature. By comparing vapor and liquid state solutions, the steam's kinetic energy is found to be higher than the fluid's kinetic energy.
Expert Solution & Answer
Answer to Problem 2E
Heat needed to change 1 gram of a substance from a liquid into a gas is called the heat of vaporization.
Explanation of Solution
When a substance changes phase from solid to liquid or liquid to gas, a certain amount of energy must be supplied to overcome the molecular or ionic attractions between the particles. This energy is changing the solid into the liquid or the liquid into a gas, without changing the temperature. The value of heat of vaporization of water is
Conclusion
Heat of vaporization is the energy needed to change a substance from liquid to gas.
Chapter U5 Solutions
Living by Chemistry
Ch. U5.94 - Prob. 1TAICh. U5.94 - Prob. 1ECh. U5.94 - Prob. 2ECh. U5.94 - Prob. 3ECh. U5.94 - Prob. 4ECh. U5.94 - Prob. 5ECh. U5.94 - Prob. 6ECh. U5.95 - Prob. 1TAICh. U5.95 - Prob. 1ECh. U5.95 - Prob. 2E
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