A heat engine contains an ideal monatomic gas confined to a cylinder by a movable piston. The gas starts at A with T = 350 K. 2.00 1. Find the number of moles of the gas. 2. Find the temperature at B. 1.00 3. Find AU, Q, and W for each of the following: a) The isovolumetric process A → B 0 b) The isothermal process B → C c) The isobaric process C → A 4. Show that the net change in internal energy for the cycle is 0. Find the energy input Q₁, the energy rejected Qc, and the efficiency for the engine. 5. Process AU 6. Find the net work done by the system. Isobaric nC.. AT C A 1 V(L) 0 5.00 10.0 15.0 R = 8.31 J/mol. K R = 0.0821 L.atm/mol K Q W nC AT -PAV

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P (atm)
3.00
A heat engine contains an ideal monatomic gas confined to a cylinder
by a movable piston. The gas starts at A with T = 350 K.
2.00
1. Find the number of moles of the gas.
2. Find the temperature at B.
1.00
3. Find AU, Q, and W for each of the following:
a) The isovolumetric process A → B
b) The isothermal process B → C
c) The isobaric process C → A
4. Show that the net change in internal energy for the cycle is 0.
Find the energy input Q₁, the energy rejected Qc, and the efficiency
for the engine.
5.
Process
AU
6.
Find the net work done by the system.
Isobaric
Adiabatic
nC, AT
nC AT
nC, AT
Isovolumetric
Isothermal
0
nC, AT
General
B
с
V(L)
5.00 10.0 15.0
R = 8.31 J/mol K
R = 0.0821 L.atm/mol K
Q
W
nCp AT
-PAV
0
AU
AU
0
- W
- nRT In
AU - W
(1)
(PV Area)
Transcribed Image Text:P (atm) 3.00 A heat engine contains an ideal monatomic gas confined to a cylinder by a movable piston. The gas starts at A with T = 350 K. 2.00 1. Find the number of moles of the gas. 2. Find the temperature at B. 1.00 3. Find AU, Q, and W for each of the following: a) The isovolumetric process A → B b) The isothermal process B → C c) The isobaric process C → A 4. Show that the net change in internal energy for the cycle is 0. Find the energy input Q₁, the energy rejected Qc, and the efficiency for the engine. 5. Process AU 6. Find the net work done by the system. Isobaric Adiabatic nC, AT nC AT nC, AT Isovolumetric Isothermal 0 nC, AT General B с V(L) 5.00 10.0 15.0 R = 8.31 J/mol K R = 0.0821 L.atm/mol K Q W nCp AT -PAV 0 AU AU 0 - W - nRT In AU - W (1) (PV Area)
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