Thermal energy, temperature, and heat | Thermochemistry | High school chemistry | Khan Academy

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Thermal energy refers to the kinetic energy of randomly moving particles in a substance. Particles can have translational, rotational, and/or vibrational kinetic energy, depending on the state of matter. Temperature is a measure of the average kinetic energy of the particles in a substance. Heat is thermal energy that transfers into or out of a system. Heat can transfer by conduction, convection, or radiation.

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Видео Thermal energy, temperature, and heat | Thermochemistry | High school chemistry | Khan Academy канала Khan Academy