What is the equation of entropy?

1.	What is the equation of entropy?
A.	Ratio of reversible transfer of heat to absolute temperature
B.	Ratio of absolute temperature to reversible heat transfer
C.	Ratio of adiabatic heat to macroscopic variables
D.	Ratio of macroscopic variables to adiabatic heat
Answer» B. Ratio of absolute temperature to reversible heat transfer

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What is the equation of entropy?

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