Question 1

An auditorium has dimensions 10 m *10 m *60 m.How many moles of air fill this volume at one atmosphere and 0 $\degree$C?

Accepted Answer

A) 2.7 * 102 
B) 2.7 * 104 
C) 2.7 * 103 
D) 2.7 * 105 
E) 2.7* 106 
A) 2.7 * 102 
B) 2.7 * 104 
C) 2.7 * 103 
D) 2.7 * 105 
E) 2.7* 106 D

Question 2

A child has a temperature of 104  $\degree$F.What is the temperature in degrees kelvin?

Accepted Answer

A) 40 
B) 406 
C) 401 
D) 313 
E) 349 
A) 40 
B) 406 
C) 401 
D) 313 
E) 349 D

Question 3

A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50 $\degree$C.If the helium behaves like an ideal gas,the average kinetic energy per molecule is

Accepted Answer

A) 6.7 *10-20 J. 
B) 1.0 *10-21 J. 
C) 1.0 * 10-20 J. 
D) 6.7 *10-21 J. 
E) 1.3 * 10-20 J. 
A) 6.7 *10-20 J. 
B) 1.0 *10-21 J. 
C) 1.0 * 10-20 J. 
D) 6.7 *10-21 J. 
E) 1.3 * 10-20 J. D

Question 4

A square plate has an area of 29.00 cm2 at 20.0 $\degree$C.It will be used in a low temperature experiment at T = 10.0K where it must have an area of 28.00 cm2.What area must be removed form the plate at 20.0 $\degree$C for it to have the correct area at 10.0 K? (The coefficient of linear expansion is 10 *10 - 6 ( $\degree$C) - 1. )

Accepted Answer

A) 0.079 3 cm2 
B) 0.159 cm2 
C) 0.238 cm2 
D) 0.841 cm2 
E) 0.921 cm2 
A) 0.079 3 cm2 
B) 0.159 cm2 
C) 0.238 cm2 
D) 0.841 cm2 
E) 0.921 cm2

Question 5

Death Valley in California receives many German tourists.When you convert a summer temperature reading of 130  $\degree$ F to the Celsius scale they use at home,you find that the Celsius temperature is about

Accepted Answer

A) 26  $\degree$0 C. 
B) 54  $\degree$C. 
C) 72  $\degree$ C. 
D) 176  $\degree$ C 
E) 327  $\degree$ C. 
A) 26  $\degree$0 C. 
B) 54  $\degree$C. 
C) 72  $\degree$ C. 
D) 176  $\degree$ C 
E) 327  $\degree$ C.

Question 6

A bubble having a diameter of 1.00 cm is released from the bottom of a swimming pool where the depth is 5.00 m.What will the diameter of the bubble be when it reaches the surface? The temperature of the water at the surface is 20.0 $\degree$C,whereas it is 15.0 $\degree$C at the bottom.(The density of water is 1.00 *103 kg/m3. )

Accepted Answer

A) 1.05 cm 
B) 1.15 cm 
C) 1.45 cm 
D) 1.65 cm 
E) 1.35 cm 
A) 1.05 cm 
B) 1.15 cm 
C) 1.45 cm 
D) 1.65 cm 
E) 1.35 cm

Question 7

In order for two objects to have the same temperature,they must

Accepted Answer

A) be in thermal equilibrium. 
B) be in thermal contact with each other. 
C) have the same relative "hotness" or "coldness" when touched. 
D) have all of the properties listed above. 
E) have only properties (b)and (c)above. 
A) be in thermal equilibrium. 
B) be in thermal contact with each other. 
C) have the same relative "hotness" or "coldness" when touched. 
D) have all of the properties listed above. 
E) have only properties (b)and (c)above.

Question 8

When we consider a thin horizontal layer of the atmosphere,of thickness dy,of area A,with pressure P on the bottom,with an average mass m per molecule,and nV molecules per unit volume,the magnitude of the difference of the pressure at the top and bottom of the layer is given by dP =

Accepted Answer

A) mgdy. 
B) mgnVdy. 
C) mgAdy. 
D) mgnVAdy. 
E) mgnVAPdy. 
A) mgdy. 
B) mgnVdy. 
C) mgAdy. 
D) mgnVAdy. 
E) mgnVAPdy.

Question 9

Angela claims that she wears a cylindrical-shaped hollow gold bracelet because it expands less than a solid one with a change in temperature.Clarissa claims that a cylindrical-shaped solid gold bracelet expands less than a hollow one.Which one,if either,is correct?

Accepted Answer

A) Angela,because the bracelet expands outward on its outer surface and inward on its inner surface. 
B) Clarissa,because the bracelet expands outward on its outer surface and inward on its inner surface. 
C) Angela,because the inner circumference does not change,but the outer circumference expands. 
D) Clarissa,because the inner circumference does not change,but the outer circumference expands. 
E) Neither,because both the inner and outer circumferences increase in length. 
A) Angela,because the bracelet expands outward on its outer surface and inward on its inner surface. 
B) Clarissa,because the bracelet expands outward on its outer surface and inward on its inner surface. 
C) Angela,because the inner circumference does not change,but the outer circumference expands. 
D) Clarissa,because the inner circumference does not change,but the outer circumference expands. 
E) Neither,because both the inner and outer circumferences increase in length.

Question 10

What is the change in area (in cm2)of a 60.0 cm by 150 cm automobile windshield when the temperature changes from 0$\degree$C to 36.0$\degree$C.The coefficient of linear expansion of this glass is 9.0 *10 - 6/$\degree$C.

Accepted Answer

A) 1.6 
B) 2.9 
C) 3.2 
D) 4.9 
E) 5.8 
A) 1.6 
B) 2.9 
C) 3.2 
D) 4.9 
E) 5.8

Question 11

A constant volume gas thermometer has a pressure of 2.00 atm at 100  $\degree$C.What would its pressure be at 0  $\degree$C?

Accepted Answer

A) 0.732 atm 
B) 1.46 atm 
C) 1.24 atm 
D) 1.37 atm 
E) More information is needed to find the answer. 
A) 0.732 atm 
B) 1.46 atm 
C) 1.24 atm 
D) 1.37 atm 
E) More information is needed to find the answer.

Question 12

Two thermometers are calibrated,one in degrees Celsius and the other in degrees Fahrenheit.At what temperature (in kelvins)do their readings measure the same temperature?

Accepted Answer

A) 218.15 
B) 233.15 
C) 273.15 
D) 40.15 
E) 0 
A) 218.15 
B) 233.15 
C) 273.15 
D) 40.15 
E) 0

Question 13

One mole of an ideal gas is held at a constant pressure of 1 atm.Find the change in volume (in liters)if the temperature changes by 50  $\degree$C.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 14

During the volcanic eruption of Mt.Pelee in 1902,an incredibly hot "burning cloud" rolled down the mountain and incinerated the town of Saint-Pierre.From the damage done,the temperature in the cloud was estimated at 700$\degree$C.If the air temperature was 20$\degree$C and a mole of air is 29 grams,estimate the molecular weight of the gas in the "burning cloud" that made it heavier than the surrounding air.(As a follow-on,estimate the most probable composition of the cloud.Some typical volcanic gases are H2S,SO2,H2SO4,CO2,NO. )

Accepted Answer

96,H<sub>2

Question 15

Two bodies can be in thermal equilibrium with one another when they are at the same temperature even if they

Accepted Answer

A) absorb different quantities of thermal energy from their surroundings in equal time intervals. 
B) have different masses. 
C) have different volumes. 
D) have any of the properties listed above. 
E) have any of the properties listed above and one of them is contact with a third body at a different temperature. 
A) absorb different quantities of thermal energy from their surroundings in equal time intervals. 
B) have different masses. 
C) have different volumes. 
D) have any of the properties listed above. 
E) have any of the properties listed above and one of them is contact with a third body at a different temperature.

Question 16

The average kinetic energy of a nitrogen molecule at room temperature (20 $\degree$C)is

Accepted Answer

A) 2 *10 - 21 J. 
B) 4 *10 - 21 J. 
C) 6 * 10 - 21 J. 
D) 8 *10 - 21 J. 
E) 1 *10 - 20 J. 
A) 2 *10 - 21 J. 
B) 4 *10 - 21 J. 
C) 6 * 10 - 21 J. 
D) 8 *10 - 21 J. 
E) 1 *10 - 20 J.

Question 17

At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?

Accepted Answer

The answer of At what Fahrenheit temperature are the Kelvin...

Question 18

When the coefficient of linear expansion,$\alpha$,and the temperature change,Tf - Ti,are large,a length Li of a solid substance expands in length to

Accepted Answer

A) Lf = $\alpha$Li(Tf - Ti). 
B) Lf = Li[1 + $\alpha$(Tf - Ti)]. 
C) Lf = Li[1 + ln($\alpha$(Tf - Ti))]. 
D)  $L _ { f } = L _ { i } e ^ { \alpha \left( T _ { f } - T _ { 1 } \right) }$ . 
E)  $L _ { f } = L _ { i } \left[ 1 + e ^ { \alpha \left( T _ { f } - T _ { i } \right) } \right]$ . 
A) Lf = $\alpha$Li(Tf - Ti). 
B) Lf = Li[1 + $\alpha$(Tf - Ti)]. 
C) Lf = Li[1 + ln($\alpha$(Tf - Ti))]. 
D)  $L _ { f } = L _ { i } e ^ { \alpha \left( T _ { f } - T _ { 1 } \right) }$ . 
E)  $L _ { f } = L _ { i } \left[ 1 + e ^ { \alpha \left( T _ { f } - T _ { i } \right) } \right]$ .

Question 19

A scuba diver has his lungs filled to half capacity (3 liters)when 10 m below the surface.If the diver holds his breath while quietly rising to the surface,what will the volume of the lungs be (in liters)at the surface? Assume the temperature is the same at all depths.(The density of water is 1.0 *103 kg/m3. )

Accepted Answer

A) 5.9 
B) 4.5 
C) 6.4 
D) 3.9 
E) 3.1 
A) 5.9 
B) 4.5 
C) 6.4 
D) 3.9 
E) 3.1

Question 20

A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50 $\degree$C.If the helium behaves like an ideal gas,the total energy of the system is

Accepted Answer

A) 2.0 * 104 J. 
B) 2.5 *104 J. 
C) 1.7 * 103 J. 
D) 1.5 * 103 J. 
E) 4.0 *104 J. 
A) 2.0 * 104 J. 
B) 2.5 *104 J. 
C) 1.7 * 103 J. 
D) 1.5 * 103 J. 
E) 4.0 *104 J.

Exam 16: Temperature and the Kinetic Theory of Gases

An auditorium has dimensions 10 m *10 m *60 m.How many moles of air fill this volume at one atmosphere and 0 °\degree° C?

A child has a temperature of 104 °\degree° F.What is the temperature in degrees kelvin?

A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50 °\degree° C.If the helium behaves like an ideal gas,the average kinetic energy per molecule is

Death Valley in California receives many German tourists.When you convert a summer temperature reading of 130 °\degree° F to the Celsius scale they use at home,you find that the Celsius temperature is about

In order for two objects to have the same temperature,they must

When we consider a thin horizontal layer of the atmosphere,of thickness dy,of area A,with pressure P on the bottom,with an average mass m per molecule,and nV molecules per unit volume,the magnitude of the difference of the pressure at the top and bottom of the layer is given by dP =

Angela claims that she wears a cylindrical-shaped hollow gold bracelet because it expands less than a solid one with a change in temperature.Clarissa claims that a cylindrical-shaped solid gold bracelet expands less than a hollow one.Which one,if either,is correct?

What is the change in area (in cm2)of a 60.0 cm by 150 cm automobile windshield when the temperature changes from 0 °\degree° C to 36.0 °\degree° C.The coefficient of linear expansion of this glass is 9.0 *10 - 6/ °\degree° C.

A constant volume gas thermometer has a pressure of 2.00 atm at 100 °\degree° C.What would its pressure be at 0 °\degree° C?

Two thermometers are calibrated,one in degrees Celsius and the other in degrees Fahrenheit.At what temperature (in kelvins)do their readings measure the same temperature?

One mole of an ideal gas is held at a constant pressure of 1 atm.Find the change in volume (in liters)if the temperature changes by 50 °\degree° C.

Two bodies can be in thermal equilibrium with one another when they are at the same temperature even if they

The average kinetic energy of a nitrogen molecule at room temperature (20 °\degree° C)is

At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?

When the coefficient of linear expansion, α\alphaα ,and the temperature change,Tf - Ti,are large,a length Li of a solid substance expands in length to

A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50 °\degree° C.If the helium behaves like an ideal gas,the total energy of the system is

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

Energy in Thermal Processes: the First Law of Thermodynamics

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

An auditorium has dimensions 10 m 10 m 60 m.How many moles of air fill this volume at one atmosphere and 0 $\degree$ C?

A child has a temperature of 104 $\degree$ F.What is the temperature in degrees kelvin?

A container having a volume of 1.0 m³ holds 5.0 moles of helium gas at 50 $\degree$ C.If the helium behaves like an ideal gas,the average kinetic energy per molecule is

Death Valley in California receives many German tourists.When you convert a summer temperature reading of 130 $\degree$ F to the Celsius scale they use at home,you find that the Celsius temperature is about

When we consider a thin horizontal layer of the atmosphere,of thickness dy,of area A,with pressure P on the bottom,with an average mass m per molecule,and n_V molecules per unit volume,the magnitude of the difference of the pressure at the top and bottom of the layer is given by dP =

What is the change in area (in cm²)of a 60.0 cm by 150 cm automobile windshield when the temperature changes from 0 $\degree$ C to 36.0 $\degree$ C.The coefficient of linear expansion of this glass is 9.0 *10 ^- ⁶/ $\degree$ C.

A constant volume gas thermometer has a pressure of 2.00 atm at 100 $\degree$ C.What would its pressure be at 0 $\degree$ C?

One mole of an ideal gas is held at a constant pressure of 1 atm.Find the change in volume (in liters)if the temperature changes by 50 $\degree$ C.

The average kinetic energy of a nitrogen molecule at room temperature (20 $\degree$ C)is

When the coefficient of linear expansion, $\alpha$ ,and the temperature change,T_f - T_i,are large,a length L_i of a solid substance expands in length to

A container having a volume of 1.0 m³ holds 5.0 moles of helium gas at 50 $\degree$ C.If the helium behaves like an ideal gas,the total energy of the system is