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what is the definition of entropy formula. In the equation Q is the heat absorbed T is the. In A Mathematical Theory of Communication appendix 2 Shannon proves his Theorem 2 that this Boltzmann entropy is the only function which satisfys the requirements for a function to measure the uncertainty in a message.
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Mathematically the exact definition is. An equivalent definition of entropy is the expected value of the self-information of a variable. For example the S of a solid where the particles are not free to move is less than the S of a gas where the particles will fill the container.
This equation known as the Boltzmanns entropy formula relates the microscopic details or microstates of the system via W to its macroscopic state via the entropy S.
For example the S of a solid where the particles are not free to move is less than the S of a gas where the particles will fill the container. Entropy is a scientific concept as well as a measurable physical property that is most commonly associated with a state of disorder randomness or uncertainty. The unit of entropy is JK. The definition of entropy in statistical mechanics.
