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musickatia
3 months ago
9

A sample of an ideal gas at Pi is initially confined to one chamber of the apparatus represented above, and the other chamber is

initially evacuated. The valve connecting the chambers is opened, and the gas expands at constant temperature to fill both chambers. What best describes ΔS for the process?
Physics
1 answer:
inna [3.1K]3 months ago
7 0

In the case of an ideal gas, its internal energy relies solely on temperature. Hence, when an ideal gas undergoes free expansion, its temperature remains unchanged.

Upon opening the valve of the chamber, the ideal gas expands, having the liberty to move which leads to an increase in entropy. Entropy represents the degree of disorder or unpredictability. Consequently, ΔS becomes positive.

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