The pV diagram in the figure shows a cycle of a heat engine that uses 0.250...
The pV diagram in the figure shows a cycle of a heat engine that uses 0.250 mole of an ideal gas having ?=1.40. The curved part ab of the cycle is adiabatic.
Part A
Find the pressure of the gas at point a. (SOLVED)
Pa = 12.3 atm
----
Part B
How much heat enters this gas per cycle?
Qin = J
----
Part C
Where does the entering of heat happen?
----
Part D
How much heat leaves this gas in a cycle?
Q leav = J
----
Part E
Where does the leaving of heat of this gas occur?
----
Part F
How much work does this engine do in a cycle?
A = J
----
Part G
What is the thermal efficiency of the engine?
e = %
Homework Answers
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The pV diagram in the figure shows a cycle of a heat engine that uses 0.250...
The PV - diagram in the figure below shows a cycle of a heat engine that uses 0.250 mol of an ideal gas with γ = 1.40....
The PV - diagram in the figure below shows a cycle of a heat engine that uses 0.250 mol of an ideal gas with γ=1.40. The process a b is adiabatic. (1 atm=105 Pa)(i) Calculate the pressure of the gas at point a.(ii) Calculate how much heat enters this gas per cycle. Indicate the process(es) where this happens.(iii) Calculate how much heat leaves this gas in a cycle. Indicate the process(es) where this occurs.(iv) Calculate how much work the engine...
(Figure 1) shows a pV diagram for a heat engine that uses 1.40 moles of an...
(Figure 1) shows a pV diagram for a heat
engine that uses 1.40 moles of an ideal gas. The internal energy of
the gas changes by the following amounts:
ΔUa→b=+4040J,
ΔUb→c=−4848J,
ΔUc→d=−808J, and
ΔUd→a=+1616J
Part A
How much heat goes into this gas per cycle?
Express your answer in joules to three significant figures.
Answer: ______ J
Part B
Where in the cycle does the heat go into the gas?
Select all that apply.
c→d
b→c
d→a
a→b
Part C...
(Figure 1) shows a pV diagram for a heat engine that uses 1.40 moles of an...
(Figure 1) shows a pV diagram for a heat engine that uses 1.40
moles of an ideal gas. The internal energy of the gas changes by
the following amounts: ΔUa→b=+4040J, ΔUb→c=−4848J, ΔUc→d=−808J, and
ΔUd→a=+1616J
How much heat is ejected by the gas per cycle? Express your
answer in joules to three significant figures.
How much work does this engine do each cycle? Express your
answer in joules to three significant figures.
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(Figure 1) shows a pV diagram for a heat
engine that uses 1.40 moles of an ideal gas. The internal energy of
the gas changes by the following amounts:
ΔUa→b=+4040J,
ΔUb→c=−4848J,
ΔUc→d=−808J, and
ΔUd→a=+1616J
Part A
How much heat goes into this gas per cycle?
Express your answer in joules to three significant figures.
Answer: ______ J
Part B
Where in the cycle does the heat go into the gas?
Select all that apply.
c→d
b→c
d→a
a→b
Part C...
(Figure 1) shows a pV diagram for a heat engine that uses 1.40
moles of an ideal gas. The internal energy of the gas changes by
the following amounts: ΔUa→b=+4040J, ΔUb→c=−4848J, ΔUc→d=−808J, and
ΔUd→a=+1616J
How much heat is ejected by the gas per cycle? Express your
answer in joules to three significant figures.
How much work does this engine do each cycle? Express your
answer in joules to three significant figures.
What is the thermal efficiency of the engine? Express...
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