A rigid tank whose volume is unknown is divided into two parts by a partition, as shown in Fig. Q4. One side of the tank contains an ideal gas at 227°C. The other side is evacuated and its volume is twice that to the gas containing part. The partition is now removed and the gas quickly expands to fill the entire tank. Heat is then applied to the gas until the pressure equals the initial pressure.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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A rigid tank whose volume is unknown is divided into two parts by a partition, as
shown in Fig. Q4. One side of the tank contains an ideal gas at 227°C. The other side is
evacuated and its volume is twice that to the gas containing part. The partition is now
removed and the gas quickly expands to fill the entire tank. Heat is then applied to the
gas until the pressure equals the initial pressure.
a)
b)
c)
Ideal gas
@p1, V₁,
T1=227°C
Evacuated
2 x V₁
Fig. Q4 - A rigid tank
4
During the first expansion process, which property/properties remain unchanged.
and why?
Determine the pressure, volume and temperature at the end of the expansion
process, in relation to the initial state p₁, V₁ and T₁.
Determine the final temperature of the gas at the end of the heat addition
process.
Transcribed Image Text:A rigid tank whose volume is unknown is divided into two parts by a partition, as shown in Fig. Q4. One side of the tank contains an ideal gas at 227°C. The other side is evacuated and its volume is twice that to the gas containing part. The partition is now removed and the gas quickly expands to fill the entire tank. Heat is then applied to the gas until the pressure equals the initial pressure. a) b) c) Ideal gas @p1, V₁, T1=227°C Evacuated 2 x V₁ Fig. Q4 - A rigid tank 4 During the first expansion process, which property/properties remain unchanged. and why? Determine the pressure, volume and temperature at the end of the expansion process, in relation to the initial state p₁, V₁ and T₁. Determine the final temperature of the gas at the end of the heat addition process.
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