A steel wire,159 m long at 17°C,has a coefficient of linear expansion of 11 × 10−6/C°.Give its change in length as the temperature changes from 17°C to 52°C.

A) 3.0 cm B) 9.1 cm C) 6.1 cm D) 0.92 cm E) 5.0 cm A) 3.0 cm B) 9.1 cm C) 6.1 cm D) 0.92 cm E) 5.0 cm

A material has a coefficient of volume expansion of 57 × 10−6/°C.What is its area coefficient of expansion?

A) 29 × 10−6/°C B) 38 × 10−6/°C C) 114 × 10−6/°C D) 86 × 10−6/°C E) 19 × 10−6/°C A) 29 × 10−6/°C B) 38 × 10−6/°C C) 114 × 10−6/°C D) 86 × 10−6/°C E) 19 × 10−6/°C

Exam 10: Thermal Physics

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Consider two containers with the same volume and temperature.Container One holds "dry" air--a mixture of nitrogen and oxygen.Container Two holds "moist" air.The "moist" air has the same ratio of nitrogen to oxygen molecules,but also contains water vapor.According to the ideal gas law,if the pressures are equal,the weight of the gas in Container One will be:

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Question 41

The sulfur hexafluoride molecule consists of one sulfur atom and six fluorine atoms.The atomic masses of sulfur and fluorine are 32.0 u and 19.0 u respectively.What mass does one mole of this gas have?

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Question 42

A steel wire,159 m long at 17°C,has a coefficient of linear expansion of 11 × 10−⁶/C°.Give its change in length as the temperature changes from 17°C to 52°C.

(Multiple Choice)

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Question 43

Which best expresses the value for the coefficient of volume expansion,β,for given material as a function of its corresponding coefficient of linear expansion,α?

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Question 44

Metal lids on glass jars can often be loosened by running them under hot water.Why is this?

(Multiple Choice)

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Question 45

A rectangular steel plate with dimensions of 34 cm × 39 cm is heated from 15°C to 246°C.What is its change in area? (Coefficient of linear expansion for steel is 11 × 10−⁶/C°. )

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Question 46

Why do vapor bubbles get larger in boiling water as they approach the surface?

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Question 47

Two ideal gases,X and Y,are thoroughly mixed and at thermal equilibrium in a single container.The molecular mass of X is 4 times that of Y.What is the ratio of root-mean-square velocities of the two gases,v_X,rms /v_Y,rms?

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Question 48

At what temperature is the same numerical value obtained in Celsius and Fahrenheit?

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Question 49

If the temperature of an ideal gas contained in a box is increased:

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Question 50

What happens to a given mass of water as it is cooled from 4°C to zero?

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Question 51

What happens to a given volume of water when heated from 0°C to 4°C?

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Question 52

Boltzmann's constant,k_B,may be derived as a function of R,the universal gas constant,and N_A,Avogadro's number.Which expresses the value of k_B?

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Question 53

An ideal gas is confined to a container with constant volume.The number of moles is constant.By what factor will the pressure change if the absolute temperature triples?

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Question 54

A tank with a volume of 0.2 m³ contains 22°C helium gas at a pressure of 100 atm.How many balloons can be blown up if each filled balloon is a sphere 29 cm in diameter at 22°C and absolute pressure of 1.20 atm? Assume all the helium is transferred to the balloons.

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Question 55

A material has a coefficient of volume expansion of 57 × 10−⁶/°C.What is its area coefficient of expansion?

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Question 56

At 16°C an aluminum ring has an inner diameter of 10.000 cm,and a brass rod has a diameter of 10.050 cm.Keeping the brass rod at 16°C,which of the following temperatures of the ring will allow the ring to just slip over the brass rod? (α_Al = 2.4 × 10−⁵ /C°,α_brass = 1.9 × 10−⁵/C°)

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Question 57

Which best describes the relationship between two systems in thermal equilibrium?

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Question 58

As a copper wire is heated,its length increases by 0.5%.What is the change of the temperature of the wire? (α_Cu = 16.6 × 10−⁶/C°)

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Question 59

A 3-L container holds half a mole of an ideal gas at a pressure of 12 atm.What is the gas temperature? (R = 0.082 1 L⋅atm/mol⋅K)

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Question 60

Showing 41 - 60 of 82

Exam 10: Thermal Physics

The sulfur hexafluoride molecule consists of one sulfur atom and six fluorine atoms.The atomic masses of sulfur and fluorine are 32.0 u and 19.0 u respectively.What mass does one mole of this gas have?

A steel wire,159 m long at 17°C,has a coefficient of linear expansion of 11 × 10−6/C°.Give its change in length as the temperature changes from 17°C to 52°C.

Which best expresses the value for the coefficient of volume expansion,β,for given material as a function of its corresponding coefficient of linear expansion,α?

Metal lids on glass jars can often be loosened by running them under hot water.Why is this?

A rectangular steel plate with dimensions of 34 cm × 39 cm is heated from 15°C to 246°C.What is its change in area? (Coefficient of linear expansion for steel is 11 × 10−6/C°. )

Why do vapor bubbles get larger in boiling water as they approach the surface?

Two ideal gases,X and Y,are thoroughly mixed and at thermal equilibrium in a single container.The molecular mass of X is 4 times that of Y.What is the ratio of root-mean-square velocities of the two gases,vX,rms /vY,rms?

At what temperature is the same numerical value obtained in Celsius and Fahrenheit?

If the temperature of an ideal gas contained in a box is increased:

What happens to a given mass of water as it is cooled from 4°C to zero?

What happens to a given volume of water when heated from 0°C to 4°C?

Boltzmann's constant,kB,may be derived as a function of R,the universal gas constant,and NA,Avogadro's number.Which expresses the value of kB?

An ideal gas is confined to a container with constant volume.The number of moles is constant.By what factor will the pressure change if the absolute temperature triples?

A tank with a volume of 0.2 m3 contains 22°C helium gas at a pressure of 100 atm.How many balloons can be blown up if each filled balloon is a sphere 29 cm in diameter at 22°C and absolute pressure of 1.20 atm? Assume all the helium is transferred to the balloons.

A material has a coefficient of volume expansion of 57 × 10−6/°C.What is its area coefficient of expansion?

At 16°C an aluminum ring has an inner diameter of 10.000 cm,and a brass rod has a diameter of 10.050 cm.Keeping the brass rod at 16°C,which of the following temperatures of the ring will allow the ring to just slip over the brass rod? (αAl = 2.4 × 10−5 /C°,αbrass = 1.9 × 10−5/C°)

Which best describes the relationship between two systems in thermal equilibrium?

As a copper wire is heated,its length increases by 0.5%.What is the change of the temperature of the wire? (αCu = 16.6 × 10−6/C°)

A 3-L container holds half a mole of an ideal gas at a pressure of 12 atm.What is the gas temperature? (R = 0.082 1 L⋅atm/mol⋅K)

Introduction

Introduction: Part A

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids

Solids and Fluids: Part A

Thermal Physics: Part A

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

Particle Collisions, Mediating Photons, and Quark Structures: Exploring the Fundamentals of Physics

A steel wire,159 m long at 17°C,has a coefficient of linear expansion of 11 × 10−⁶/C°.Give its change in length as the temperature changes from 17°C to 52°C.

A rectangular steel plate with dimensions of 34 cm × 39 cm is heated from 15°C to 246°C.What is its change in area? (Coefficient of linear expansion for steel is 11 × 10−⁶/C°. )

Two ideal gases,X and Y,are thoroughly mixed and at thermal equilibrium in a single container.The molecular mass of X is 4 times that of Y.What is the ratio of root-mean-square velocities of the two gases,v_X,rms /v_Y,rms?

Boltzmann's constant,k_B,may be derived as a function of R,the universal gas constant,and N_A,Avogadro's number.Which expresses the value of k_B?

A tank with a volume of 0.2 m³ contains 22°C helium gas at a pressure of 100 atm.How many balloons can be blown up if each filled balloon is a sphere 29 cm in diameter at 22°C and absolute pressure of 1.20 atm? Assume all the helium is transferred to the balloons.

A material has a coefficient of volume expansion of 57 × 10−⁶/°C.What is its area coefficient of expansion?

At 16°C an aluminum ring has an inner diameter of 10.000 cm,and a brass rod has a diameter of 10.050 cm.Keeping the brass rod at 16°C,which of the following temperatures of the ring will allow the ring to just slip over the brass rod? (α_Al = 2.4 × 10−⁵ /C°,α_brass = 1.9 × 10−⁵/C°)

As a copper wire is heated,its length increases by 0.5%.What is the change of the temperature of the wire? (α_Cu = 16.6 × 10−⁶/C°)