- #1
aniketp
- 84
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Hey can neone tell me why this is so? I have not got the ans in any book i read...
Thnx 4 replying
Thnx 4 replying
Entropy is a physical quantity that measures the level of disorder or randomness in a system. In simple terms, it is a measure of how much the energy in a system is spread out or distributed.
The relationship between entropy and temperature can be described by the equation Qrev/T, where Qrev is the reversible heat transfer and T is the temperature. This equation shows that as temperature increases, the entropy of a system also increases.
Entropy affects the behavior of a system by determining the direction of spontaneous processes. A system will naturally tend towards a state of higher entropy, meaning a state of greater disorder or randomness.
In isolated systems, the entropy can never decrease. This is known as the second law of thermodynamics. However, in open systems, where energy can be exchanged with the surroundings, entropy can decrease locally as long as it is compensated for by an increase in entropy in the surroundings.
The concept of entropy is used in various fields of science, including thermodynamics, statistical mechanics, information theory, and chemistry. It is a fundamental concept that helps us understand and predict the behavior of systems at a microscopic level.