Which change happens when a substance melts? O Heat energy overcomes the forces of attraction between the molecules of the substance, so the molecules can move more freely. O The vibration of the molecules produces enough heat to weaken the forces of attraction between the molecules the substance. O The molecules of the substance move farther apart, which pulls on the intermolecular bonds between them. O Heat energy forces the molecules of the substance farther apart until the rigid structure of the solid breaks.
Which change happens when a substance melts? O Heat energy overcomes the forces of attraction between the molecules of the substance, so the molecules can move more freely. O The vibration of the molecules produces enough heat to weaken the forces of attraction between the molecules the substance. O The molecules of the substance move farther apart, which pulls on the intermolecular bonds between them. O Heat energy forces the molecules of the substance farther apart until the rigid structure of the solid breaks.
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 17CR: Are changes in state physical or chemical changes? Explain. What type of forces must be overcome to...
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Transcribed Image Text:Which change happens when a substance melts?
O Heat energy overcomes the forces of attraction between the molecules of the substance, so the molecules can move more freely.
O The vibration of the molecules produces enough heat to weaken the forces of attraction between the molecules of the substance.
O The molecules of the substance move farther apart, which pulls on the intermolecular bonds between them.
O Heat energy forces the molecules of the substance farther apart until the rigid structure of the solid breaks.
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