An inventor claims to have invented four engines, each of which operates between constant-temperature reservoirs at 400 and 300 K. Data on each engine, per cycle of operation, are: engine A, Q H = 200 J, Q L = –175 J, and W = 40 J; engine B, Q H = 500 J, Q L = –200 J, and W = 400 J; engine C, Q H = 600 J, Q L = –200 J, and W = 400 J; engine D, Q H = 100 J, Q L = –90 J, and W = 10 J. Of the first and second laws of thermodynamics , which (if either) docs each engine violate?
An inventor claims to have invented four engines, each of which operates between constant-temperature reservoirs at 400 and 300 K. Data on each engine, per cycle of operation, are: engine A, Q H = 200 J, Q L = –175 J, and W = 40 J; engine B, Q H = 500 J, Q L = –200 J, and W = 400 J; engine C, Q H = 600 J, Q L = –200 J, and W = 400 J; engine D, Q H = 100 J, Q L = –90 J, and W = 10 J. Of the first and second laws of thermodynamics , which (if either) docs each engine violate?
An inventor claims to have invented four engines, each of which operates between constant-temperature reservoirs at 400 and 300 K. Data on each engine, per cycle of operation, are: engine A, QH = 200 J, QL= –175 J, and W = 40 J; engine B, QH = 500 J, QL = –200 J, and W = 400 J; engine C, QH = 600 J, QL = –200 J, and W = 400 J; engine D, QH = 100 J, QL = –90 J, and W = 10 J. Of the first and second laws of thermodynamics, which (if either) docs each engine violate?
Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.
Three moles of an ideal gas undergo a reversible isothermal compression at 20.0° C. During this compression,
1900 J of work is done on the gas.
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Entropy change in a free expansion.
Part A
What is the change of entropy of the gas?
ΤΕ ΑΣΦ
AS =
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J/K
5.97 Block A, with weight
3w, slides down an inclined plane
S of slope angle 36.9° at a constant
speed while plank B, with weight
w, rests on top of A. The plank
is attached by a cord to the wall
(Fig. P5.97). (a) Draw a diagram
of all the forces acting on block
A. (b) If the coefficient of kinetic
friction is the same between A and
B and between S and A, determine
its value.
Figure P5.97
B
A
S
36.9°
Please take your time and solve each part correctly please. Thank you!!
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The Second Law of Thermodynamics: Heat Flow, Entropy, and Microstates; Author: Professor Dave Explains;https://www.youtube.com/watch?v=MrwW4w2nAMc;License: Standard YouTube License, CC-BY