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aalyn [17]
3 years ago
9

Explain what entropy is in relation to the second law of thermodynamics?

Engineering
1 answer:
Marat540 [252]3 years ago
5 0

Explanation:

Second law tell us that ,the entropy of reversible process is remain constant while the entropy of ir-reversible process increases.

Entropy of universe is the summation of entropy of system and entropy of surrounding.So we can say that

\Delta S_{universe}=\Delta S_{system}+\Delta S_{surrounding}

Entropy can be define as

ds=\int \dfrac{dQ}{T}

Entropy is point function.This is property of system.Ir-reversibility cause the increase of entropy.

\oint \dfrac{dQ}{T} =0 ,this\ is\ reversible\ process

\oint \dfrac{dQ}{T} >0 ,this\ is\ impossible\ process

\oint \dfrac{dQ}{T}

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