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Question 1 of 8
Score: 0/—
★☆☆ Beginner
Which statement provides the most accurate and complete definition of the internal energy of a substance?
A
The total heat energy supplied to the substance.
B
The sum of the random kinetic and potential energies of all its molecules.
C
The total kinetic energy of the molecules in the substance.
D
The energy stored within the chemical bonds of the molecules.