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AP Physics 2
9.6 Entropy and the Second Law of Thermodynamics
9.4 The First Law of Thermodynamics
9.1 Kinetic Theory of Temperature and Pressure
AdvancedMCQConceptual19.1k
An insulated container with a partition separating an ideal gas from a vacuum.
An insulated container with a partition separating an ideal gas from a vacuum.
A rigid, thermally insulated container is divided into two equal compartments by a thin removable partition. One compartment contains a sample of an ideal gas at temperature \(T_0\), while the other compartment is completely evacuated. The partition is suddenly removed, allowing the gas to expand freely and fill the entire container until reaching a new equilibrium state. Which of the following explanations correctly accounts for why the equilibrium temperature of the gas remains \(T_0\)?

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