Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 5, Problem 12P
To determine
Find the energy released during the
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Problem 1: The figure shows a gas contained in a vertical piston- cylinder assembly. A vertical
shaft whose cross-sectional area is 0.8 cm² is attached to the top of the piston. The total mass of
the piston and shaft is 25 kg. While the gas is slowly heated, the internal energy of the gas
increases by 0.1 kJ, the potential energy of the piston-shaft combination increases by 0.2 kJ, and
a force of 1334 N is exerted on the shaft as shown in the figure. The piston and cylinder are poor
conductors, and friction between them is negligible. The local atmospheric pressure is 1 bar and
g=9.81 m/s². Determine, (a) the work done by the shaft, (b) the work done in displacing the
atmosphere, and (c) the heat transfer to the gas, all in kJ.
F = 1334 N
-A=0.8 cm²
Patm = 1 bar
Gas
-D = 10 cm
Calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. What type of electromagnetic radiation is emitted in each transition?
a. n = 4 → n = 3
b. n = 5 → n = 4
c. n = 5 → n = 3
3.5 kg of an ideal gas is heated at constant temperature from 15 m3 and 4.0 atm to 35 m3 at Determine the work done
Chapter 5 Solutions
Sustainable Energy
Ch. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - A sample of 137Cs (half-life = 30.1 years) decays...Ch. 5 - Prob. 4PCh. 5 - What are the decay products of the decay of the...Ch. 5 - Prob. 6PCh. 5 - Nuclide A has a half-life of 4 days, and nuclide B...Ch. 5 - 64Cu can decay by both decay and + decay. Draw an...Ch. 5 - At time t = 0 a sample contains 3.57 108 nuclei...Ch. 5 - Prob. 10P
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