Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter12: States Of Matter
Section: Chapter Questions
Problem 83A
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Question

Transcribed Image Text:What phase(s) is/are present at the point indicated on the graph?
T
liquid
solid
heat
liquid and gas
solid and liquid
gas

Transcribed Image Text:In the previous question, why is the graph flat at the point indicated?
The average kinetic energy of the substance is increasing as heat is added.
The heat being added is being used to overcome intermolecular forces.
The thermal energy added is needed to break bonds.
The thermal energy added is being lost from the system.
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