Thursday, December 1, 2016

thermodynamics - Intuitive understanding of the entropy equation


In thermodynamics, entropy is defined as $ d S = \dfrac{\delta q_{\rm }}{T}$. This definition guarantees that heat will transfer from hot to cold, which is the second law of thermodynamics. But, why do we denote entropy as$\dfrac{\delta q_{\rm }}{T}$ other than $\dfrac{\delta q_{\rm }}{T^2}$,$\dfrac{\delta q_{\rm }}{e^T}$,or something else?


Is there an intuitive explanation for this $\dfrac{\delta q_{\rm }}{T}$?




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