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The Actual Reason Why Matter Expands When Heated - Thermal Expansion

By Higgsino PhysicsFrom boclips.com
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A physics animation about why matter expands when heated. Thermal expansion is happens because of the morse potential. When heated (adding more kinetic energy in the molecules) the molecules have on average a bigger molecule, but why? The potential energy between neighboring atoms are not symmetric takes more energy to compress the spring, than it takes to stretch.

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Explainer
Application
Physical Sciences
Physics
Technology and Engineering
Chemistry
Advanced Secondary

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