Why does the temperature of a gas decrease when it undergoes sudden expansion in a perfectly insulated container?

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By Zain

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Source Physics Knowledge Database

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Fact Checked

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Difficulty Hard

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Published 04 Mar 2026

A. Heat is transferred from the gas to the surroundings.

B. Work is done by the gas at the expense of internal energy.

C. The entropy of the system decreases during expansion.

D. Intermolecular collisions increase the total enthalpy.

📚 Topics: Physics Science

🎯 Exams: CSS GEN PMS UK_CS

🏷️ Tags: Internal Energy Kinetic Theory of Gases Thermodynamics

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