To draw: The PV diagram of cycle.

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Answer 1

Question

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

(b)

To determine

The volume of gas at the end of adiabatic compression.

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

(d)

To determine

The temperature at the end of the cycle.

(e)

To determine

The net work done.

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A certain gasoline engine is modeled as a monatomic ideal gas undergoing an Otto cycle, represented by the p-V diagram shown in the figure. The initial pressure, volume, and temperature are p1 = 1.05 × 105 Pa, V1 = 0.035 m3, and T1 = 290 K, respectively. a)The first step in the Otto cycle is adiabatic compression. Enter an expression for the work performed on the gas during the first step, in terms of V1, V2, and p1. b) Calculate the work performed on the gas during the first step, in joules, for V2 = V1/9.4. c)Calculate the temperature of the gas, in kelvins, at the end of the first step.

A certain gasoline engine is modeled as a monatomic ideal gas undergoing an Otto cycle, represented by the p-V diagram shown in the figure. The initial pressure, volume, and temperature are p1 = 1.05 × 105 Pa, V1 = 0.035 m3, and T1 = 290 K, respectively. a)The first step in the Otto cycle is adiabatic compression. Enter an expression for the work performed on the gas during the first step, in terms of V1, V2, and p1. b) Calculate the temperature of the gas, in kelvins, at the end of the first step. c)The fourth and last step in the Otto cycle is isochoric cooling to the initial conditions. Find the amount of heat, in joules, that is discharged by the gas during the fourth step.

In an isothermal process, one mole of an ideal monatomic gas at a temperature T is taken from an initial pressure P to a final pressure P/3. Using the convention that work is positive when it is done on the system, what is the work done during the process in terms of R and T?

Answer 2

Question

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

(b)

To determine

The volume of gas at the end of adiabatic compression.

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

(d)

To determine

The temperature at the end of the cycle.

(e)

To determine

The net work done.

Expert Solution & Answer

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Answer 3

Question

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

(b)

To determine

The volume of gas at the end of adiabatic compression.

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

(d)

To determine

The temperature at the end of the cycle.

(e)

To determine

The net work done.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

(b)

To determine

The volume of gas at the end of adiabatic compression.

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

(d)

To determine

The temperature at the end of the cycle.

(e)

To determine

The net work done.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

(b)

To determine

The volume of gas at the end of adiabatic compression.

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

(d)

To determine

The temperature at the end of the cycle.

(e)

To determine

The net work done.

Answer 6

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

Answer 7

Chapter 21, Problem 21.34P

(a)

To determine

To draw: The PV diagram of cycle.

Answer 8

(b)

To determine

The volume of gas at the end of adiabatic compression.

Answer 9

(b)

To determine

The volume of gas at the end of adiabatic compression.

Answer 10

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

Answer 11

(c)

To determine

The temperature of the gas at the start of adiabatic expansion.

Answer 12

(d)

To determine

The temperature at the end of the cycle.

Answer 13

(d)

To determine

The temperature at the end of the cycle.

Answer 14

(e)

To determine

The net work done.

Answer 15

(e)

To determine

The net work done.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Ch. 21 - Two containers hold an ideal gas at the same...Ch. 21 - (i) How does the internal energy of an ideal gas...Ch. 21 - Prob. 21.3QQ Ch. 21 - Prob. 21.4QQ Ch. 21 - Cylinder A contains oxygen (O2) gas, and cylinder...Ch. 21 - An ideal gas is maintained at constant pressure....Ch. 21 - Prob. 21.3OQ Ch. 21 - A helium-filled latex balloon initially at room...Ch. 21 - Prob. 21.5OQ Ch. 21 - Prob. 21.6OQ

To draw: The PV diagram of cycle.

Solution Summary: The author describes the PV diagram of the cycle, which is a graph plotted between pressure and volume.

Videos

To draw: The PV diagram of cycle.

The volume of gas at the end of adiabatic compression.

The temperature of the gas at the start of adiabatic expansion.

The temperature at the end of the cycle.

The net work done.

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Chapter 21 Solutions