Answer Four Questions Only QI/ Aparticular substance under goes a mechanically reversible process, expanding from an initial state of (20) bar to a final state of (8) bar. The path for the process is described by the equation [P = (0.036/V) - 4] where P in bar and V in m'. If AU for the change of the state is (-1400J), Determine W, Q and AH? Q2/ A mass of gas is compressed in a quasi-static process from 80 Kpa, 0.1 m to 0.4 Mpa, 0.03 m. Assuming that the pressure and volume are related by pv" = constant, find the work done by the system. Q3/ A rigid tank of 1 m' contains nitrogen gas at 600 kPa, 400 K. By mistake someone lets 0.5 kg flow out. If the final temperature is 375 K, What is the percent error in the final pressure if the compressibility factor is used to represent the behavior of the ideal gas model? Q4/ 100 grams of R-134a initially fill a weighted piston cylinder device with 0.0335 m volume and -20 C temperature. The device is then heated as its volume is increased and the temperature reached 90 C. Determine for this process a) the work done and b) the rate of heat transfer. Q5/ A gas in a piston-cylinder assembly undergoes an expansion process for which the relationship between pressure and volume is given by (PV" = constant) The initial pressure is 3 bar, the initial volume is 0.1 m, and the final volume is 0.2 m. Determine the work for the process, in kJ, if (a) n 1.5, (b) n 1, and (c) n 0.
Answer Four Questions Only QI/ Aparticular substance under goes a mechanically reversible process, expanding from an initial state of (20) bar to a final state of (8) bar. The path for the process is described by the equation [P = (0.036/V) - 4] where P in bar and V in m'. If AU for the change of the state is (-1400J), Determine W, Q and AH? Q2/ A mass of gas is compressed in a quasi-static process from 80 Kpa, 0.1 m to 0.4 Mpa, 0.03 m. Assuming that the pressure and volume are related by pv" = constant, find the work done by the system. Q3/ A rigid tank of 1 m' contains nitrogen gas at 600 kPa, 400 K. By mistake someone lets 0.5 kg flow out. If the final temperature is 375 K, What is the percent error in the final pressure if the compressibility factor is used to represent the behavior of the ideal gas model? Q4/ 100 grams of R-134a initially fill a weighted piston cylinder device with 0.0335 m volume and -20 C temperature. The device is then heated as its volume is increased and the temperature reached 90 C. Determine for this process a) the work done and b) the rate of heat transfer. Q5/ A gas in a piston-cylinder assembly undergoes an expansion process for which the relationship between pressure and volume is given by (PV" = constant) The initial pressure is 3 bar, the initial volume is 0.1 m, and the final volume is 0.2 m. Determine the work for the process, in kJ, if (a) n 1.5, (b) n 1, and (c) n 0.
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
Section: Chapter Questions
Problem 1.1P
Related questions
Question
![Answer Four Questions Only
QI/ Aparticular substance under goes a mechanically reversible process, expanding from
an initial state of (20) bar to a final state of (8) bar. The path for the process is described
by the equation [P = (0.036/V) - 4] where P in bar and V in m'. If AU for the change of
the state is (-1400J), Determine W, Q and AH?
Q2/ A mass of gas is compressed in a quasi-static process from 80 Kpa, 0.1 m to 0.4 Mpa,
0.03 m. Assuming that the pressure and volume are related by pv" = constant, find the
work done by the system.
Q3/ A rigid tank of 1 m' contains nitrogen gas at 600 kPa, 400 K. By mistake
someone
lets 0.5 kg flow out. If the final temperature is 375 K, What is the percent error in the final
pressure if the compressibility factor is used to represent the behavior of the ideal gas
model?
Q4/ 100 grams of R-134a initially fill a weighted piston cylinder device with 0.0335 m
volume and -20 C temperature. The device is then heated as its volume is increased and
the temperature reached 90 C. Determine for this process a) the work done and b) the rate
of heat transfer.
Q5/ A gas in a piston-cylinder assembly undergoes an expansion process for which the
relationship between pressure and volume is given by (PV" = constant) The initial pressure
is 3 bar, the initial volume is 0.1 m, and the final volume is 0.2 m. Determine the work
for the process, in kJ, if (a) n 1.5, (b) n 1, and (c) n 0.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6a787800-987a-4f18-9107-9d87c3992af1%2Fd6c23238-630d-481c-a0b4-84709aedd97e%2Fbdeset2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Answer Four Questions Only
QI/ Aparticular substance under goes a mechanically reversible process, expanding from
an initial state of (20) bar to a final state of (8) bar. The path for the process is described
by the equation [P = (0.036/V) - 4] where P in bar and V in m'. If AU for the change of
the state is (-1400J), Determine W, Q and AH?
Q2/ A mass of gas is compressed in a quasi-static process from 80 Kpa, 0.1 m to 0.4 Mpa,
0.03 m. Assuming that the pressure and volume are related by pv" = constant, find the
work done by the system.
Q3/ A rigid tank of 1 m' contains nitrogen gas at 600 kPa, 400 K. By mistake
someone
lets 0.5 kg flow out. If the final temperature is 375 K, What is the percent error in the final
pressure if the compressibility factor is used to represent the behavior of the ideal gas
model?
Q4/ 100 grams of R-134a initially fill a weighted piston cylinder device with 0.0335 m
volume and -20 C temperature. The device is then heated as its volume is increased and
the temperature reached 90 C. Determine for this process a) the work done and b) the rate
of heat transfer.
Q5/ A gas in a piston-cylinder assembly undergoes an expansion process for which the
relationship between pressure and volume is given by (PV" = constant) The initial pressure
is 3 bar, the initial volume is 0.1 m, and the final volume is 0.2 m. Determine the work
for the process, in kJ, if (a) n 1.5, (b) n 1, and (c) n 0.
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