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14: Thermodynamics

Last updated

Nov 5, 2020
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- 13.6: Phase Equilbrium
- 14.1: Introduction

Boundless
Boundless

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Topic hierarchy

14.1: Introduction
Work performed by a closed system is the energy transferred to another system that is measured by mechanical constraints on the system.
14.2: The First Law of Thermodynamics
The first law of thermodynamics is a version of the law of conservation of energy specialized for thermodynamic systems. It is usually formulated by stating that the change in the internal energy of a closed system is equal to the amount of heat supplied to the system, minus the amount of work done by the system on its surroundings. The law of conservation of energy can be stated like this: The energy of an isolated system is constant.
14.3: The Second Law of Thermodynamics
The second law of thermodynamics states that heat transfer occurs spontaneously only from higher to lower temperature bodies.
14.4: Entropy
The entropy of a system is a measure of its disorder and of the unavailability of energy to do work.
14.5: The Third Law of Thermodynamics
According to the third law of thermodynamics, the entropy of a perfect crystal at absolute zero is exactly equal to zero.

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