BRITISH STANDARD BS ISO 80000-5:2007; Quantities and units — Part 5: Thermodynamics defines entropy as stated below:

Thermodynamics defines entropy as stated below:

Entropy has nothing to do with order.

Entropy has nothing to do with disorder

Entropy has nothing to do with chaos

Order, disorder, & chaos are not physical quantities. Order, disorder, & chaos can’t be measured. Order, disorder, & chaos cannot be expressed in numbers

Entropy like Energy is a thermodynamics property

It takes three steps to prove that Entropy like Energy is a thermodynamics property