Thermodynamics Revision Test

Choose the correct answer

The random motion of a small particle in a fluid is called?

• Brownian motion
• entropy
• Caloric
• thermodynamics

The total kinetic energy of all the molecules of a substance?

• Temperature
• Entropy
• Heat
• Specific heat

“ Energy can nether be created nor destroyed” is the?

• Law of preservation of energy
• Law of conservation of energy
• Law of entropy
• Law of heat energy

the unit of heat that can raise the temperature of one gram of water by one Celsius degree is the?

• thermal
• joule
• calorie
• kilocalorie

the average kinetic energy of the molecules of a substance?

• Pressure
• Heat
• Temperature
• entropy

The fact that each liquid has its own fixed boiling and freezing temperatures was discovered by using a?

• calorimeter
• thermometer
• Microscope
• barometer

the metric unit for temperature is the?

• calorie
• Degree Fahrenheit
• Degree Celsius
• thermometer

The change in length of a solid for each degree Celsius change in temperature is the coefficient of

• Mass increase
• Entropy change
• Linear expansion
• Heat expansion

The measure of an object’s heat capacity is its

• Heat of fusion
• Calorie exchange
• Kinetic energy
• Specific heat

Heat content of a substance is not related to ?

• mass
• density
• Specific heat
• temperature

“ Heat lost = Heat gained” is a concise statement of the?

• Law of temperature conversion
• First law of thermodynamics
• Law of linear expansion
• Law of heat exchange

The amount of heat needed to convert one gram of a liquid at its boiling temperature to a gas at the same temperature is the latent heat of?

• vaporization
• condensation
• evaporation
• fusion

The amount of heat needed to convert one gram of a solid at its normal melting temperature to a liquid at the same temperature is the latent heat of?

• fusion
• condensation
• evaporation
• vaporization

Refrigerator use … to produce cool temperatures

• entropy
• kinetic energy
• evaporation and condensation
• sublimation

The transfer of heat by direct contact is

• convection
• radiation
• conduction
• condensation

The transfer of heat by currents is

• conduction
• convection
• condensation
• radiation

The transfer of energy by electromagnetic waves is

• condensation
• convection
• radiation
• conduction

Ocean currents are not caused by

• gravity
• Earth’s rotation
• Prevailing winds
• convection

The study of the movement of heat is called

• oceanography
• thermodynamics
• entropy
• convection

“ Disorder can never be entirely eliminated” is stated by the

• First law
• Second law
• Third law

of thermodynamics

“ Energy can neither be created nor destroyed” is the

• First law
• Second law
• Third law

of thermodynamics

“ Heat always moves from warmer areas to cooler areas” is the

• First law
• Second law
• Third law

of thermodynamics

Entropy, or the increasing disorganization of the universe, is a result of the

• First law
• Second law
• Third law

of thermodynamics

The kinetic theory of gases assumes the truth of all these statements except:

• Gas molecules are widely separated
• Gas molecules move rapidly and freely in all directions.
• Heavier gas molecules travel with higher velocity than lighter gas molecules
• Gas molecules frequently collide with one another and with walls of their container.

Gases may fail to act according to the ideal gas law at

• Low temperatures or low pressures
• High temperatures or low pressures
• High temperatures or high pressures
• Low temperatures or high pressures