Question

An ideal gas at temperature T is initially confined to 1/6th of volume V of an insulated
gas jar. After a while the gas fills the entire jar uniformly as shown in the figure below:

(a) Describe the initial state of the gas in {T, V } coordinates.

(b) Describe the final state of the gas in {T, V } coordinates.

(c) Calculate the change in the entropy of the gas as it goes from the initial state to the
final state.

Initinl Volumo = V/6 Initial Temperature =T Final Volume-V 1 (a) Describe the initial state of the gas in {T,V} coordinates.

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Answer #1

I (a) Description of initial state of the gay Initial volume = Initial temperatura = T T → we have fore dede gas PV=nRT of n() change in entropy As = spalv = [RT dv = RT Y av = RT (Rn u Ja =RT Tenu- en = RT LOG los & RT en 6 ]

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