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In which of the following scenarios would the entropy of the system decrease?
In which of the following scenarios would the entropy of the system decrease?
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Practice Questions
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Q1
In which of the following scenarios would the entropy of the system decrease?
Ice melting
Water evaporating
Gas compressing
Sugar dissolving in water
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When a gas is compressed, the number of microstates decreases, leading to a decrease in entropy.
Questions & Step-by-step Solutions
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Q: In which of the following scenarios would the entropy of the system decrease?
Solution:
When a gas is compressed, the number of microstates decreases, leading to a decrease in entropy.
Steps: 6
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Step 1: Understand what entropy is. Entropy is a measure of disorder or randomness in a system.
Step 2: Recognize that gases have a lot of microstates, which are different ways the particles can be arranged.
Step 3: When a gas is compressed, the space it occupies becomes smaller.
Step 4: With less space, there are fewer ways (microstates) for the gas particles to be arranged.
Step 5: Since the number of microstates decreases, the disorder of the system also decreases.
Step 6: Therefore, when a gas is compressed, the entropy of the system decreases.
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