College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 77GP
A flask with a volume of 1.50 L, provided with a stopcock, contains ethane gas (C2H6) at 300 K and atmospheric pressure (1.013 × 105 Pa). The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 380 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask is cooled to its original temperature. (a) What is the final pressure of the ethane in the flask? (b) Haw many grams of ethane remain in the flask?
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A 2.00 mol sample of an ideal gas with a molar specific heat of CV = 5/2R always starts at pressure 2.00 ✕ 105 Pa and temperature 250 K. For each of the following processes, determine the final pressure (Pf, in kPa), the final volume (Vf, in L), the final temperature (Tf, in K), the change in internal energy of the gas (ΔEint, in J), the energy added to the gas by heat (Q, in J), and the work done on the gas (W, in J).
a. The gas is heated at constant pressure to 365 K.
b.The gas is heated at constant volume to 365 K.
c.The gas is compressed at constant temperature to 235 kPa.
d.The gas is compressed adiabatically to 235 kPa.
Chapter 15 Solutions
College Physics (10th Edition)
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