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Four Laws of Thermodynamics

Four Laws of Themodynamics

Zeroth Law: If two systems are sitting in thermal equilibrium with a third system, those two systems are also in thermal equilibrium with each other.
First Law: The change in internal energy of a system is equal to the head added to the system minus the work done by the system. Energy is conserved, it cannot be created or destroyed but only redistributed or changed from one form to another.
Second Law: No reaction is 100% efficient, some energy in a reaction is always lost to heat. Without work applied to a system, heat will always flow from a warm body to a cold body.
Third Law: The energy of a system at absolute zero kelvin is exactly zero.

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