8) A sample of 1 mol of perfect gas at 298 K and I bar with Cvm = 3/2 R and Cpm = 5/2 R is put through the following cycle: (a) constant-volume heating to twice its initial pressure, (b) reversible, adiabatic expansion back to its initial temperature, (c) reversible, isothermal compression back to 1 bar. Calculate q, w, AU, and AH for each step, as well as any necessary variables (e.g. V₁, T, etc.)

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.65E: A sample of an ideal diatomic gas is compressed adiabatically and reversibly to double its initial...
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7:53 PM Mon Nov 21
8) A sample of 1 mol of perfect gas at 298 K and 1 bar with Cvm = 3/2 R and Cp.m= 5/2 R is put
through the following cycle: (a) constant-volume heating to twice its initial pressure, (b)
reversible, adiabatic expansion back to its initial temperature, (c) reversible, isothermal
compression back to 1 bar. Calculate q, w, AU, and AH for each step, as well as any necessary
variables (e.g. V₁, T, etc.)
n=1 mol
T= 298 K
P= I bar
Cum 3R
-
2
Cp.m-2R
T
b)
a) w=0
n=1
T= 298 K
Cvm = 3R
2
AP= 1 bar
9,²
AU=
ΔΗ:
PV = nRT
V = nRT
@87%
8
Transcribed Image Text:7:53 PM Mon Nov 21 8) A sample of 1 mol of perfect gas at 298 K and 1 bar with Cvm = 3/2 R and Cp.m= 5/2 R is put through the following cycle: (a) constant-volume heating to twice its initial pressure, (b) reversible, adiabatic expansion back to its initial temperature, (c) reversible, isothermal compression back to 1 bar. Calculate q, w, AU, and AH for each step, as well as any necessary variables (e.g. V₁, T, etc.) n=1 mol T= 298 K P= I bar Cum 3R - 2 Cp.m-2R T b) a) w=0 n=1 T= 298 K Cvm = 3R 2 AP= 1 bar 9,² AU= ΔΗ: PV = nRT V = nRT @87% 8
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ISBN:
9781133958437
Author:
Ball, David W. (david Warren), BAER, Tomas
Publisher:
Wadsworth Cengage Learning,