Question

what is the equation of the third law of thermodynamics???? Give its derivation.
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Answer 1

Answer:

The third law of thermodynamics states that as the temperature approaches absolute zero in a system, the absolute entropy of the system approaches a constant value. This was true in the last example, where the system was the entire universe. It is also true for smaller closed systems – continuing to chill a block of ice to colder and colder temperatures will slow down its internal molecular motions more and more until they reach the least disordered state that is physically possible, which can be described using a constant value of entropy.

ΔU = Q − W

Explanation:

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