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| thermodynamics law comparison table | ||||
| Subject | has definition | has synonym | is a kind of | is an instance of |
|---|---|---|---|---|
| first law of thermodynamics | The law of conservation of energy | thermodynamics law | ||
| gas law | thermodynamics law | |||
| second law of thermodynamics | Law stating that total entropy always increases. | thermodynamics law | ||
| third law of thermodynamics | All substances have zero entropy at 0 K. | Nernst theorem | thermodynamics law | |
| virial theorem | For a bound gravitational system the long-term average of the kinetic energy is one-half of the potential energy. | thermodynamics law | ||
| zeroth law of thermodynamics | The temperature of a body in equilibrium is the same at all points. | law of thermal equilibrium | thermodynamics law |
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