A heat engine follows a square cycle, as shown, with an isobaric
expansion, followed by an isochoric cooling, followed by an
isobaric contraction, followed by an isochoric heating. The gas
used in the heat engine is an ideal monatomic gas. Given
PA=100×103Pa, PB=292×103, VA=0.00324m3 and VB=0.0141m3, find the
net heat used by this engine to complete one cycle. Answer in
J.
Homework Answers
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A heat engine follows a square cycle, as shown, with an isobaric
expansion, followed by an...
2. Isochoric/Adiabatic/Isobaric Cycle (10 pts) A heat engine using a monatomic gas follows the cycle shown in the PV diagram to the right. Between stages 1 and 2 the gas is at a constant volume,...
2. Isochoric/Adiabatic/Isobaric Cycle (10 pts) A heat engine using a monatomic gas follows the cycle shown in the PV diagram to the right. Between stages 1 and 2 the gas is at a constant volume, and between 2 and 3 no heat is transferred in or out, between 3 and 1 the pressure is held constant (a) For each stage of this process, calculate in Joules the heat, Q, transferred to the gas, and the work, W, done by the...
Part A A heat engine with 0.500 mol of a monatomic ideal gas initially fills a...
Part A A heat engine with 0.500 mol of a monatomic ideal gas initially fills a 3000 cm3 cylinder at 600 K The gas goes through the following closed cycle: - Isothermal expansion to 4000 cm How much work does this engine do per cycle? Express your answer with the appropriate units 3 239 J sochoric cooling to 400 K Isothermal compression to 3000 cm3 Isochoric heating to 600 K rev Vious Answers Answer Requested Part B What is its...
5. The steps of a reversible Stirling engine are as follows. For this problem, we will...
5. The steps of a reversible Stirling engine are as follows. For this problem, we will use 0.001 mol of a monatomic gas that starts at a temperature of 133°C and a volume of 0.1 m3, which will be called point A. Then it goes through the following steps: 1. STEP AB: isothermal expansion at 133o from 0.1 m3 to 0.2 m3 2. STEP BC: isochoric cooling to 33°C 3. STEP CD: isothermal compression at 33°C from 0.2 m3 to...
1. Find efficiency of a reversible power cycle consisting of two isochoric and two isobaric lines,...
1. Find efficiency of a reversible power cycle consisting of two isochoric and two isobaric lines, if temperature is increased by a factor of n during the isochoric heating process and by the same factor n during the isobaric expansion process. The working fluid involved in the cycle is an ideal gas with isentropic exponent k. The answer must be expressed in terms of n and k only. Show the process on the P- V diagram.
1. A crackpot inventor designs the following heat engine. (An annotated PV plot might help.) Step...
1. A crackpot inventor designs the following heat engine. (An annotated PV plot might help.) Step D: Starting at State A (PA, VA, and TA25.0 °C), the gas undergoes a reversible and isothermal expansion until it reaches State B (PB = 1.000 atm, VB, and TB). Step : A dry ice / acetone bath is used to isochorically bring the gas to State C (Pc, Vc, and Tc -78.5 °C) Step : The gas undergoes a reversible adiabatic compression until...
Problem 19.62 Part A A heat engine using a diatomic ideal gas goes through the following...
Problem 19.62 Part A A heat engine using a diatomic ideal gas goes through the following closed cycle What is the thermal efficiency of this heat engine? Isothermal compression until the volume is halved. ·Isobaric expansion until the volume is restored to its initial value Isochoric cooling until the pressure is restored to its initial value Submit My Answers Give Up Incorrect; One attempt remaining; Try Again Part B What is the thermal efficiency a Carnot engine operating between the...
An unusual heat engine combines four different processes to acchieve a complete engine cycle shown below....
An unusual heat engine combines four different processes to acchieve a complete engine cycle shown below. there is a 1.60 moles of gas used in the engine, and the gas behaves like a monatomic ideal gas. Each engine cycle takes 0.020s to complete and involves to absorption of 4.73x10^4 J of heat to the outside enviroment. temperature pressure volume A 1800 K 6.0 x 10^5 Pa 0.0400 m^3 B 1800 K 2.9 x 10^5 Pa 0.0825 m^3 C 1175 K...
12. 1 mole of an ideal gas undergoes an isothermal expansion from V1 = 1.4L followed...
12. 1 mole of an ideal gas undergoes an isothermal expansion from V1 = 1.4L followed by isobaric compression, p = cst.if P1 = 4.4atm, p2 = 1.7atm → ?- m calculate the work done by gas during the expansion. Express work in J = N·m! • For isothermal processes, AT = 0 T = cst → w=faw=fr&v=/MRT AV 594 Show your work like: `x-int_0^5 v(t)dt rarr x-int_0^5(-4*t)dt=-50 m 13. 1 mole of an ideal gas undergoes an isothermal expansion...
A heat engine using a monatomic gas follows the cycle shown in the pVpV diagram. The...
A heat engine using a monatomic gas follows the cycle shown in
the pVpV diagram.
The gas starts out at point 1 with a volume of V1=233 cm3,V1=233
cm3, a pressure of p1=147 kPa,p1=147 kPa, and a temperature of 317
K.317 K. The gas is held at a constant volume while it is heated
until its temperature reaches 395 K395 K (point 2). The gas is then
allowed to expand adiabatically until its pressure is again 147
kPa147 kPa (point...
11. A reversible heat engine uses a three-step cycle consisting of an isothermal expansion at temperature...
11. A reversible heat engine uses a three-step cycle consisting of an isothermal expansion at temperature Ti, a constant volume cooling to temperature T2, and adiabatic compression back to the initial state. (a) Sketch the P-V diagram (b) If 1 mole of a van der Waals gas is used the working material, the efficiency of this engine is defined to be E = Suppose that the heat capacity of gas is independent of temperature. Show that the efficiency of the...
2. Isochoric/Adiabatic/Isobaric Cycle (10 pts) A heat engine using a monatomic gas follows the cycle shown in the PV diagram to the right. Between stages 1 and 2 the gas is at a constant volume, and between 2 and 3 no heat is transferred in or out, between 3 and 1 the pressure is held constant (a) For each stage of this process, calculate in Joules the heat, Q, transferred to the gas, and the work, W, done by the...
Part A A heat engine with 0.500 mol of a monatomic ideal gas initially fills a 3000 cm3 cylinder at 600 K The gas goes through the following closed cycle: - Isothermal expansion to 4000 cm How much work does this engine do per cycle? Express your answer with the appropriate units 3 239 J sochoric cooling to 400 K Isothermal compression to 3000 cm3 Isochoric heating to 600 K rev Vious Answers Answer Requested Part B What is its...
5. The steps of a reversible Stirling engine are as follows. For this problem, we will use 0.001 mol of a monatomic gas that starts at a temperature of 133°C and a volume of 0.1 m3, which will be called point A. Then it goes through the following steps: 1. STEP AB: isothermal expansion at 133o from 0.1 m3 to 0.2 m3 2. STEP BC: isochoric cooling to 33°C 3. STEP CD: isothermal compression at 33°C from 0.2 m3 to...
1. Find efficiency of a reversible power cycle consisting of two isochoric and two isobaric lines, if temperature is increased by a factor of n during the isochoric heating process and by the same factor n during the isobaric expansion process. The working fluid involved in the cycle is an ideal gas with isentropic exponent k. The answer must be expressed in terms of n and k only. Show the process on the P- V diagram.
1. A crackpot inventor designs the following heat engine. (An annotated PV plot might help.) Step D: Starting at State A (PA, VA, and TA25.0 °C), the gas undergoes a reversible and isothermal expansion until it reaches State B (PB = 1.000 atm, VB, and TB). Step : A dry ice / acetone bath is used to isochorically bring the gas to State C (Pc, Vc, and Tc -78.5 °C) Step : The gas undergoes a reversible adiabatic compression until...
Problem 19.62 Part A A heat engine using a diatomic ideal gas goes through the following closed cycle What is the thermal efficiency of this heat engine? Isothermal compression until the volume is halved. ·Isobaric expansion until the volume is restored to its initial value Isochoric cooling until the pressure is restored to its initial value Submit My Answers Give Up Incorrect; One attempt remaining; Try Again Part B What is the thermal efficiency a Carnot engine operating between the...
12. 1 mole of an ideal gas undergoes an isothermal expansion from V1 = 1.4L followed by isobaric compression, p = cst.if P1 = 4.4atm, p2 = 1.7atm → ?- m calculate the work done by gas during the expansion. Express work in J = N·m! • For isothermal processes, AT = 0 T = cst → w=faw=fr&v=/MRT AV 594 Show your work like: `x-int_0^5 v(t)dt rarr x-int_0^5(-4*t)dt=-50 m 13. 1 mole of an ideal gas undergoes an isothermal expansion...
A heat engine using a monatomic gas follows the cycle shown in
the pVpV diagram.
The gas starts out at point 1 with a volume of V1=233 cm3,V1=233
cm3, a pressure of p1=147 kPa,p1=147 kPa, and a temperature of 317
K.317 K. The gas is held at a constant volume while it is heated
until its temperature reaches 395 K395 K (point 2). The gas is then
allowed to expand adiabatically until its pressure is again 147
kPa147 kPa (point...
11. A reversible heat engine uses a three-step cycle consisting of an isothermal expansion at temperature Ti, a constant volume cooling to temperature T2, and adiabatic compression back to the initial state. (a) Sketch the P-V diagram (b) If 1 mole of a van der Waals gas is used the working material, the efficiency of this engine is defined to be E = Suppose that the heat capacity of gas is independent of temperature. Show that the efficiency of the...
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