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States of Matter & Thermal
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Question 1 of 16
Q13D
What happens to the internal energy of a substance as it is heated and changes from solid to liquid (melting)?
A
Internal energy increases entirely as kinetic energy.
B
Internal energy increases — the potential energy store of the particles rises while temperature stays constant.
C
Internal energy decreases because the particles slow down.
D
Internal energy stays constant because temperature doesn't change during melting.
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