Question 1

How much heat is necessary to change 30 g of water at 40°C into steam at 100°C?

Accepted Answer

A)  0.18 kcal 
B)  1.8 kcal 
C)  18 kcal 
D)  2.04 kcal 
A)  0.18 kcal 
B)  1.8 kcal 
C)  18 kcal 
D)  2.04 kcal

Question 2

To what temperature does 0°F correspond on the Celsius scale?

Accepted Answer

The answer of To what temperature does 0°F correspond on...

Question 3

A quantity that gives the direction of a thermodynamic process is

Accepted Answer

A)  entropy. 
B)  efficiency. 
C)  specific heat. 
D)  energy. 
A)  entropy. 
B)  efficiency. 
C)  specific heat. 
D)  energy.

Question 4

A sample of gas has its number of molecules tripled, its Kelvin temperature quadrupled, and its volume tripled. By what factor has the new pressure changed relative to the original pressure?

Accepted Answer

A)  4 
B)  4.7 
C)  36.3 
D)  36 
A)  4 
B)  4.7 
C)  36.3 
D)  36

Question 5

The amount of heat necessary to change 1 kg of a liquid into a gas at the same temperature is called the

Accepted Answer

A)  entropy. 
B)  boiling point. 
C)  latent heat of vaporization. 
D)  latent heat of fusion. 
A)  entropy. 
B)  boiling point. 
C)  latent heat of vaporization. 
D)  latent heat of fusion.

Question 6

How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0°C and increase the temperature to 25°C?

Accepted Answer

The answer of How many kilocalories of heat would be...

Question 7

The heating of a room by a fire in a fireplace is chiefly due to

Accepted Answer

A)  vaporization. 
B)  radiation. 
C)  convection. 
D)  conduction. 
A)  vaporization. 
B)  radiation. 
C)  convection. 
D)  conduction.

Question 8

The Fahrenheit scale has a ___________ degree size than the Celsius scale.

Accepted Answer

The answer of The Fahrenheit scale has a ___________ degree...

Question 9

When a material is found to have a definite volume but no definite shape, and when it assumes the shape of the container in which it is placed, what is the phase of the material?

Accepted Answer

A)  Gas 
B)  Liquid 
C)  Plasma 
D)  Solid 
A)  Gas 
B)  Liquid 
C)  Plasma 
D)  Solid

Question 10

The amount of heat necessary to change the temperature of 1 kg of a substance 1°C is

Accepted Answer

A)  1 cal. 
B)  the specific heat. 
C)  the heat difference. 
D)  1 J. 
A)  1 cal. 
B)  the specific heat. 
C)  the heat difference. 
D)  1 J.

Question 11

How much heat is required to melt 6.0 kg of ice at 0°C to water at 0°C?

Accepted Answer

A)  480 kcal 
B)  0 kcal 
C)  3240 kcal 
D)  720 kcal 
A)  480 kcal 
B)  0 kcal 
C)  3240 kcal 
D)  720 kcal

Question 12

The insulation in walls uses which of the following methods to prevent heat transfer?

Accepted Answer

A)  Conduction 
B)  Convection 
C)  Radiation 
D)  Conduction and convection 
E)  All of these 
A)  Conduction 
B)  Convection 
C)  Radiation 
D)  Conduction and convection 
E)  All of these

Question 13

A constant volume and mass of helium gas at 77°C is heated so that the pressure of the gas doubles. What is the new temperature of the gas in Celsius degrees?

Accepted Answer

A)  154°C 
B)  273°C 
C)  427°C 
D)  700°C 
A)  154°C 
B)  273°C 
C)  427°C 
D)  700°C

Question 14

On a winter day the temperature drops from -15°C to -25°C overnight. If a pan sitting outside contains 0.50 kg of ice, how much heat is removed from the ice for this temperature change?

Accepted Answer

A)  0.25 kcal 
B)  2.5 kcal 
C)  10 kcal 
D)  1 kcal 
A)  0.25 kcal 
B)  2.5 kcal 
C)  10 kcal 
D)  1 kcal

Question 15

Which of the following has the lowest thermal conductivity?

Accepted Answer

A)  Glass 
B)  Iron 
C)  Wood 
D)  Styrofoam 
A)  Glass 
B)  Iron 
C)  Wood 
D)  Styrofoam

Question 16

The Sun's rays are transmitted to Earth by means of

Accepted Answer

A)  radiation. 
B)  convection. 
C)  temperature. 
D)  conduction. 
A)  radiation. 
B)  convection. 
C)  temperature. 
D)  conduction.

Question 17

A quantity of ideal gas in a rigid container has a pressure of 1.00 $\times$ 106 Pa at 0°C. If the pressure is increased to 1.75 $\times$ 106 Pa, what is the temperature of the gas after this is done?

Accepted Answer

The answer of A quantity of ideal gas in a...

Question 18

The ice point and the steam point of water are commonly called the ______________ point and the ______________ point, respectively.

Accepted Answer

freezing (

Question 19

The number of molecules in a container is tripled and the Kelvin temperature doubled. The volume remains unchanged. The new pressure will be how many times greater than the original pressure?

Accepted Answer

The answer of The number of molecules in a container...

Question 20

How much heat is necessary to change 10 g of ice at -10°C into water at 20°C?

Accepted Answer

A)  0.025 kcal 
B)  0.25 kcal 
C)  1.05 kcal 
D)  0.095 kcal 
A)  0.025 kcal 
B)  0.25 kcal 
C)  1.05 kcal 
D)  0.095 kcal

How much heat is necessary to change 30 g of water at 40°C into steam at 100°C?

To what temperature does 0°F correspond on the Celsius scale?

A quantity that gives the direction of a thermodynamic process is

A sample of gas has its number of molecules tripled, its Kelvin temperature quadrupled, and its volume tripled. By what factor has the new pressure changed relative to the original pressure?

The amount of heat necessary to change 1 kg of a liquid into a gas at the same temperature is called the

How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0°C and increase the temperature to 25°C?

The heating of a room by a fire in a fireplace is chiefly due to

The Fahrenheit scale has a ___________ degree size than the Celsius scale.

When a material is found to have a definite volume but no definite shape, and when it assumes the shape of the container in which it is placed, what is the phase of the material?

The amount of heat necessary to change the temperature of 1 kg of a substance 1°C is

How much heat is required to melt 6.0 kg of ice at 0°C to water at 0°C?

The insulation in walls uses which of the following methods to prevent heat transfer?

A constant volume and mass of helium gas at 77°C is heated so that the pressure of the gas doubles. What is the new temperature of the gas in Celsius degrees?

On a winter day the temperature drops from -15°C to -25°C overnight. If a pan sitting outside contains 0.50 kg of ice, how much heat is removed from the ice for this temperature change?

Which of the following has the lowest thermal conductivity?

The Sun's rays are transmitted to Earth by means of

A quantity of ideal gas in a rigid container has a pressure of 1.00 $\times$ 10⁶ Pa at 0°C. If the pressure is increased to 1.75 $\times$ 10⁶Pa, what is the temperature of the gas after this is done?

The ice point and the steam point of water are commonly called the point and the point, respectively.

The number of molecules in a container is tripled and the Kelvin temperature doubled. The volume remains unchanged. The new pressure will be how many times greater than the original pressure?

How much heat is necessary to change 10 g of ice at -10°C into water at 20°C?

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

Exam 5: Atomic Physics

How much heat is necessary to change 30 g of water at 40°C into steam at 100°C?

To what temperature does 0°F correspond on the Celsius scale?

A quantity that gives the direction of a thermodynamic process is

A sample of gas has its number of molecules tripled, its Kelvin temperature quadrupled, and its volume tripled. By what factor has the new pressure changed relative to the original pressure?

The amount of heat necessary to change 1 kg of a liquid into a gas at the same temperature is called the

How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0°C and increase the temperature to 25°C?

The heating of a room by a fire in a fireplace is chiefly due to

The Fahrenheit scale has a ___________ degree size than the Celsius scale.

When a material is found to have a definite volume but no definite shape, and when it assumes the shape of the container in which it is placed, what is the phase of the material?

The amount of heat necessary to change the temperature of 1 kg of a substance 1°C is

How much heat is required to melt 6.0 kg of ice at 0°C to water at 0°C?

The insulation in walls uses which of the following methods to prevent heat transfer?

A constant volume and mass of helium gas at 77°C is heated so that the pressure of the gas doubles. What is the new temperature of the gas in Celsius degrees?

On a winter day the temperature drops from -15°C to -25°C overnight. If a pan sitting outside contains 0.50 kg of ice, how much heat is removed from the ice for this temperature change?

Which of the following has the lowest thermal conductivity?

The Sun's rays are transmitted to Earth by means of

A quantity of ideal gas in a rigid container has a pressure of 1.00 ×\times× 106 Pa at 0°C. If the pressure is increased to 1.75 ×\times× 106 Pa, what is the temperature of the gas after this is done?

The ice point and the steam point of water are commonly called the ______________ point and the ______________ point, respectively.

The number of molecules in a container is tripled and the Kelvin temperature doubled. The volume remains unchanged. The new pressure will be how many times greater than the original pressure?

How much heat is necessary to change 10 g of ice at -10°C into water at 20°C?

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

A quantity of ideal gas in a rigid container has a pressure of 1.00 $\times$ 10⁶ Pa at 0°C. If the pressure is increased to 1.75 $\times$ 10⁶Pa, what is the temperature of the gas after this is done?

The ice point and the steam point of water are commonly called the point and the point, respectively.