Explain the third law of thermodynamics.
Understand the Problem
The question is asking for an explanation of the third law of thermodynamics, which pertains to the behavior of systems as they approach absolute zero temperature. It focuses on how the entropy of a perfect crystal approaches zero as the temperature approaches absolute zero.
Answer
The entropy of a system approaches a constant value as the temperature approaches absolute zero.
The final answer is that the entropy of a system approaches a constant value, often zero for a perfect crystal, as the temperature approaches absolute zero.
Answer for screen readers
The final answer is that the entropy of a system approaches a constant value, often zero for a perfect crystal, as the temperature approaches absolute zero.
More Information
The third law of thermodynamics implies that it is impossible to reach absolute zero in a finite number of steps because entropy would cease to change.
Tips
A common mistake is assuming the entropy at absolute zero is always zero. It is zero only for a perfect crystal.
Sources
- Third Law of Thermodynamics - Entropy at Absolute Zero - BYJU'S - byjus.com
- Third law of thermodynamics - Wikipedia - en.wikipedia.org
- What is the third law of thermodynamics? - Live Science - livescience.com
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