Third Law of Thermodynamics
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The Third Law of Thermodynamics applies to:
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Why is it practically impossible to reach absolute zero?
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The Third Law helps in determining:
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Which of the following substances would NOT have zero entropy at absolute zero?
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The Third Law of Thermodynamics is primarily concerned with:
Explanation: The Third Law focuses on the entropy of systems as they approach absolute zero, providing insights into low-temperature behavior.
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If a system does not have zero entropy at absolute zero, it is likely because:
Explanation: Non-zero entropy at absolute zero occurs in imperfect crystals or systems with residual disorder, such as amorphous materials or impurities.
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Which of the following is a consequence of the Third Law?
Explanation: The Third Law implies that absolute zero is unattainable in a finite number of processes, as the entropy change approaches zero, requiring infinite steps to reach 0 K.
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At absolute zero, the entropy of a substance is zero only if:
Explanation: Only a perfect crystal, with no disorder or defects, has zero entropy at absolute zero, as per the Third Law.
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What is the significance of the Third Law of Thermodynamics?
Explanation: The Third Law establishes a zero-entropy reference at absolute zero, allowing absolute entropy values to be calculated for substances.
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What does the Third Law of Thermodynamics state?
Explanation: The Third Law states that the entropy of a perfect crystalline substance is zero at absolute zero (0 K), as there is no disorder in a perfectly ordered system.
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