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Physics, 18.06.2020 18:57 Bryson2148

Which of the following is the internal energy of a system? A) The total thermal energy gained by the system during melting and boiling.
B) The sum of the potential and the kinetic energies of the particles of the system.
C) The total external work done on the system during melting and boiling.
D) The change in the potential energy of the system that occurs during melting and boiling.

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