This chapter is about the thermal properties of matter.
What is internal energy?
The total energy form when a solid vibrate about fixed positions, held by strong intermolecular bonds. It comprises of two components, kinetic energy and potential energy.
Kinetic energy:
Cause by the vibration of the particles. The higher the temperature the more vigorous the vibrations of the particles.
Potential energy:
It is due to the stretching and compressing of the intermolecular bonds when the particles vibrate.
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