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Thermodynamics: The Zeroth Law of Thermodynamics

The Zeroth Law of Thermodynamics is one of the fundamental laws of thermodynamics. It is called the zeroth law because it came after the 1st and 2nd law of thermodynamics when in fact it should have come before. What the Zeroth law says is "If two bodies are in thermal equilibrium with a third body then they are in equilibrium with each other." In other words all bodies within the system must have the same temperature otherwise there will be have to be some sort of energy transfer between the objects until they reach an equilibrium state.

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