dontforgetitfaosgudc dontforgetitfaosgudc
  • 02-07-2017
  • Physics
contestada

explain why the internal energy of a solid increases when its heated at its melting point

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infinitegamer1342
infinitegamer1342 infinitegamer1342
  • 03-07-2017
Because the molecules are vibrating. Also keep in mind that when a substance is a solid its molecules are tightly packed. When it is a liquid its molecules are less compact
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