Question 1

The molar specific heat at constant volume at 0$\degree$C of an ideal monatomic gas is

Accepted Answer

A)  $\frac { 1 } { 2 } R$ . 
B) R. 
C)  $\frac { 3 } { 2 } R$ . 
D) 2R. 
E)  $\frac { 5 } { 2 } R$ . 
A)  $\frac { 1 } { 2 } R$ . 
B) R. 
C)  $\frac { 3 } { 2 } R$ . 
D) 2R. 
E)  $\frac { 5 } { 2 } R$ .

Question 2

One gram of water is heated from 0 $\degree$C to 100 $\degree$C at a constant pressure of 1 atm.Determine the approximate change in internal energy (in cal)of the water.

Accepted Answer

A) 160 
B) 130 
C) 100 
D) 180 
E) 50 
A) 160 
B) 130 
C) 100 
D) 180 
E) 50

Question 3

Which of the following substances has the greatest specific heat?

Accepted Answer

A) copper 
B) ice 
C) water 
D) steam 
E) Ice,water,and steam have equal specific heats since they are the same material,and this specific heat is greater than that of copper. 
A) copper 
B) ice 
C) water 
D) steam 
E) Ice,water,and steam have equal specific heats since they are the same material,and this specific heat is greater than that of copper.

Question 4

A gas expands as shown in the graph.If the heat taken in during this process is 1.02 * 106 J and 1 atm = 1.01 * 105 N/m2,the change in internal energy of the gas (in J)is

Accepted Answer

A) -2.42 *106 
B) -1.40 * 106 
C) -1.02 * 106 
D) 1.02 * 106 
E) 1.40 * 106 
A) -2.42 *106 
B) -1.40 * 106 
C) -1.02 * 106 
D) 1.02 * 106 
E) 1.40 * 106

Question 5

The Earth intercepts 1.27 *1017 W of radiant energy from the Sun.Suppose the Earth,of volume 1.08 * 1021 m3,was composed of water.How long would it take for the Earth at 0$\degree$C to reach 100$\degree$C,if none of the energy was radiated or reflected back out into space?

Accepted Answer

A) 26.9 y 
B) 113 y 
C) 2.69 *104 y 
D) 1.13 * 105 y 
E) 2.69 * 107 y 
A) 26.9 y 
B) 113 y 
C) 2.69 *104 y 
D) 1.13 * 105 y 
E) 2.69 * 107 y

Question 6

An 8 000-kg aluminum flagpole 100-m high is heated by the sun from a temperature of 10$\degree$C to 20$\degree$C.Find the increase in internal energy (in J)of the aluminum.(The coefficient of linear expansion is 24 * 10 - 6 ($\degree$C) - 1,the density is 2.7* 103 kg/m3,and the specific heat of aluminum is 0.215 cal/g.$\degree$C. )

Accepted Answer

A) 7.2 * 105 
B) 7.2 *107 
C) 7.2 * 103 
D) 7.2 * 101 
E) 7.2 * 102 
A) 7.2 * 105 
B) 7.2 *107 
C) 7.2 * 103 
D) 7.2 * 101 
E) 7.2 * 102

Question 7

Which of the following statements is correct?

Accepted Answer

A) You only need to know the amount of thermal energy a body contains to calculate its temperature. 
B) The temperature of a body is directly proportional to the amount of work the body has performed. 
C) The quantity of thermal energy exchanged by two bodies in contact is inversely proportional to the difference in their temperatures. 
D) The quantity of thermal energy exchanged by two bodies in contact is directly proportional to the difference in their temperatures. 
E) Different amounts of thermal energy are transferred between two bodies in contact if different temperature scales are used to measure the temperature difference between the bodies. 
A) You only need to know the amount of thermal energy a body contains to calculate its temperature. 
B) The temperature of a body is directly proportional to the amount of work the body has performed. 
C) The quantity of thermal energy exchanged by two bodies in contact is inversely proportional to the difference in their temperatures. 
D) The quantity of thermal energy exchanged by two bodies in contact is directly proportional to the difference in their temperatures. 
E) Different amounts of thermal energy are transferred between two bodies in contact if different temperature scales are used to measure the temperature difference between the bodies.

Question 8

Five moles of an ideal gas expands isothermally at 100 $\degree$C to five times its initial volume.Find the heat flow into the system.

Accepted Answer

A) 2.5 * 104 J 
B) 1.1 *104 J 
C) 6.7 * 103 J 
D) 2.9 *103 J 
E) 7.0 *102 J 
A) 2.5 * 104 J 
B) 1.1 *104 J 
C) 6.7 * 103 J 
D) 2.9 *103 J 
E) 7.0 *102 J

Question 9

The work done in the expansion from an initial to a final state

Accepted Answer

A) is the area under the curve of a PV diagram. 
B) depends only on the end point. 
C) is independent of the path. 
D) is the slope of a PV curve. 
E) equals P(VF - Vi). 
A) is the area under the curve of a PV diagram. 
B) depends only on the end point. 
C) is independent of the path. 
D) is the slope of a PV curve. 
E) equals P(VF - Vi).

The molar specific heat at constant volume at 0 $\degree$ C of an ideal monatomic gas is

One gram of water is heated from 0 $\degree$ C to 100 $\degree$ C at a constant pressure of 1 atm.Determine the approximate change in internal energy (in cal)of the water.

Which of the following substances has the greatest specific heat?

A gas expands as shown in the graph.If the heat taken in during this process is 1.02 * 10⁶ J and 1 atm = 1.01 * 10⁵ N/m²,the change in internal energy of the gas (in J)is

The Earth intercepts 1.27 10¹⁷ W of radiant energy from the Sun.Suppose the Earth,of volume 1.08 10²¹ m³,was composed of water.How long would it take for the Earth at 0 $\degree$ C to reach 100 $\degree$ C,if none of the energy was radiated or reflected back out into space?

Which of the following statements is correct?

Five moles of an ideal gas expands isothermally at 100 $\degree$ C to five times its initial volume.Find the heat flow into the system.

The work done in the expansion from an initial to a final state

Introduction and Vectors

Motion in One Dimension

Motion in Two Dimensions

The Laws of Motion

More Applications of Newtons Laws

Energy of a System

Conservation of Energy

Momentum and Collisions

Relativity

Rotational Motion

Gravity,planetary Orbits,and the Hydrogen Atom

Oscillatory Motion

Mechanical Waves

Superposition and Standing Waves

Fluid Mechanics

Temperature and the Kinetic Theory of Gases

Heat Engines,entropy,and the Second Law of Thermodynamics

Electric Forces and Electric Fields

Electric Potential and Capacitance

Current and Direct Current Circuits

Magnetic Forces and Magnetic Fields

Faradays Law and Inductance

Electromagnetic Waves

Reflection and Refraction of Light

Image Formation by Mirrors and Lenses

Wave Optics

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Exam 17: Energy in Thermal Processes: the First Law of Thermodynamics

The molar specific heat at constant volume at 0 °\degree° C of an ideal monatomic gas is

One gram of water is heated from 0 °\degree° C to 100 °\degree° C at a constant pressure of 1 atm.Determine the approximate change in internal energy (in cal)of the water.

Which of the following substances has the greatest specific heat?

A gas expands as shown in the graph.If the heat taken in during this process is 1.02 * 106 J and 1 atm = 1.01 * 105 N/m2,the change in internal energy of the gas (in J)is

The Earth intercepts 1.27 *1017 W of radiant energy from the Sun.Suppose the Earth,of volume 1.08 * 1021 m3,was composed of water.How long would it take for the Earth at 0 °\degree° C to reach 100 °\degree° C,if none of the energy was radiated or reflected back out into space?

Which of the following statements is correct?

Five moles of an ideal gas expands isothermally at 100 °\degree° C to five times its initial volume.Find the heat flow into the system.

The work done in the expansion from an initial to a final state

Introduction and Vectors

Motion in One Dimension

Motion in Two Dimensions

The Laws of Motion

More Applications of Newtons Laws

Energy of a System

Conservation of Energy

Momentum and Collisions

Relativity

Rotational Motion

Gravity,planetary Orbits,and the Hydrogen Atom

Oscillatory Motion

Mechanical Waves

Superposition and Standing Waves

Fluid Mechanics

Temperature and the Kinetic Theory of Gases

Heat Engines,entropy,and the Second Law of Thermodynamics

Electric Forces and Electric Fields

Electric Potential and Capacitance

Current and Direct Current Circuits

Magnetic Forces and Magnetic Fields

Faradays Law and Inductance

Electromagnetic Waves

Reflection and Refraction of Light

Image Formation by Mirrors and Lenses

Wave Optics

Quantum Physics

Atomic Physics

Nuclear Physics

Particle Physics

Filters

The molar specific heat at constant volume at 0 $\degree$ C of an ideal monatomic gas is

One gram of water is heated from 0 $\degree$ C to 100 $\degree$ C at a constant pressure of 1 atm.Determine the approximate change in internal energy (in cal)of the water.

A gas expands as shown in the graph.If the heat taken in during this process is 1.02 * 10⁶ J and 1 atm = 1.01 * 10⁵ N/m²,the change in internal energy of the gas (in J)is

The Earth intercepts 1.27 10¹⁷ W of radiant energy from the Sun.Suppose the Earth,of volume 1.08 10²¹ m³,was composed of water.How long would it take for the Earth at 0 $\degree$ C to reach 100 $\degree$ C,if none of the energy was radiated or reflected back out into space?

Five moles of an ideal gas expands isothermally at 100 $\degree$ C to five times its initial volume.Find the heat flow into the system.