The entropy of a perfect crystalline substance at absolute zero is given by which law?
Practice Questions
1 question
Q1
The entropy of a perfect crystalline substance at absolute zero is given by which law?
Third law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Zeroth law of thermodynamics
The third law of thermodynamics states that the entropy of a perfect crystalline substance approaches zero as the temperature approaches absolute zero.
Questions & Step-by-step Solutions
1 item
Q
Q: The entropy of a perfect crystalline substance at absolute zero is given by which law?
Solution: The third law of thermodynamics states that the entropy of a perfect crystalline substance approaches zero as the temperature approaches absolute zero.
Steps: 5
Step 1: Understand what entropy is. Entropy is a measure of disorder or randomness in a system.
Step 2: Learn about absolute zero. Absolute zero is the lowest possible temperature, where all molecular motion stops, and it is 0 Kelvin.
Step 3: Know what a perfect crystalline substance is. A perfect crystalline substance has a highly ordered structure with no defects.
Step 4: Familiarize yourself with the third law of thermodynamics. This law states that as the temperature of a perfect crystalline substance approaches absolute zero, its entropy approaches zero.
Step 5: Conclude that the third law of thermodynamics explains the behavior of entropy at absolute zero.
