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ANALYZE Explain why the liquid in a thermometer expands as temperature increases. How is this related to the kinetic energy of

the particles that make up the liquid?

ANALYZE Explain why the liquid in a thermometer expands as temperature increases. How-example-1
User Michael Tallino
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1 Answer

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The liquid in the thermometer goes up when the thermometer is heated because heating makes the alcohol molecules of the liquid move faster. The extra speed of the molecules competes with their attraction for one another and causes them to move slightly further apart.
User Tanita
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