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18. Calculate Delta S of the following changes in state of 2.00 mol of a diatomic gas with C_{p} = 2.5nR for all temperatures: (a) (2.00 atm, 450 K) → (3.00 atm, 325 K) (b) (28.5 L, 400 K) (42.0 L, 400 K) 20. Calculate AS for the mixing of 15.0 grams of N2(g) at 120°C and 1.50 atm with 10.0 grams of He(g) at 120°C and 1.50 atm.

18. Calculate Delta S of the following changes in state of 2.00 mol of a diatomic gas with C_{p} = 2.5nR for all temperatures: (a) (2.00 atm, 450 K) → (3.00 atm, 325 K) (b) (28.5 L, 400 K) (42.0 L, 400 K) 20. Calculate AS for the mixing of 15.0 grams of N2(g) at 120°C and 1.50 atm with 10.0 grams of He(g) at 120°C and 1.50 atm.

Physical Chemistry
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 2.52E: Use the data in Table 2.2 to determine Hp T for Ar at 0C and 1atm. Make any reasonable assumptions...
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18. Calculate Delta S of the following changes in state of 2.00 mol of a diatomic gas with C_{p} = 2.5nR for all temperatures: (a) (2.00 atm, 450 K) → (3.00 atm, 325 K) (b) (28.5 L, 400 K) (42.0 L, 400 K) 20. Calculate AS for the mixing of 15.0 grams of N2(g) at 120°C and 1.50 atm with 10.0 grams of He(g) at 120°C and 1.50 atm.
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