Question 1

The direction of natural processes is from states of

Accepted Answer

A) higher order to lower order. 
B) lower order to higher order. 
C) disorganization to organization. 
D) imbalance to equilibrium. 
A) higher order to lower order. 
B) lower order to higher order. 
C) disorganization to organization. 
D) imbalance to equilibrium.

Question 2

Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have

Accepted Answer

A) low specific heat capacities. 
B) high specific heat capacities. 
C) none of the above 
A) low specific heat capacities. 
B) high specific heat capacities. 
C) none of the above

Question 3

Ice has a lower density than water because ice

Accepted Answer

A) sinks. 
B) molecules are more compact in the solid state. 
C) molecules vibrate at lower rates than water molecules. 
D) is composed of open-structured crystals. 
E) density decreases with decreasing temperature. 
A) sinks. 
B) molecules are more compact in the solid state. 
C) molecules vibrate at lower rates than water molecules. 
D) is composed of open-structured crystals. 
E) density decreases with decreasing temperature.

Question 4

A metal ring with a gap in it is shaped like the letter C. When heated, the gap becomes

Accepted Answer

A) wider. 
B) narrower. 
C) remains the same size. 
A) wider. 
B) narrower. 
C) remains the same size.

Question 5

If the temperature of a sample of 0°C water slightly increases, the sample of water

Accepted Answer

A) expands. 
B) contracts. 
C) neither 
A) expands. 
B) contracts. 
C) neither

Question 6

The motion of particles that contribute to temperature are

Accepted Answer

A) translational. 
B) rotational. 
C) circular. 
D) orbital. 
A) translational. 
B) rotational. 
C) circular. 
D) orbital.

Question 7

If the temperature of a sample of 4°C water slightly decreases, the sample of water

Accepted Answer

A) contracts. 
B) expands. 
C) neither 
A) contracts. 
B) expands. 
C) neither

Question 8

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a

Accepted Answer

A) low specific heat capacity. 
B) high specific heat capacity. 
C) none of the above 
A) low specific heat capacity. 
B) high specific heat capacity. 
C) none of the above

Question 9

If water had a lower specific heat capacity, would ponds and lakes be more or less likely to freeze in winter?

Accepted Answer

Bodies of water would more lik

Question 10

More disorder means

Accepted Answer

A) more entropy. 
B) no real change in entropy. 
C) less entropy. 
A) more entropy. 
B) no real change in entropy. 
C) less entropy.

Question 11

Which of the following normally warms up faster when heat is applied?

Accepted Answer

A) water 
B) iron 
C) glass 
D) wood 
A) water 
B) iron 
C) glass 
D) wood

Question 12

If the same quantity of heat is added to both a 1-liter and a 2-liter container of water, the temperature change of water in the 1-liter container will be

Accepted Answer

A) half. 
B) more than half but less than twice. 
C) twice. 
D) none. 
A) half. 
B) more than half but less than twice. 
C) twice. 
D) none.

Question 13

If a room is cold it is due to a

Accepted Answer

A) presence of cold air. 
B) lack of adequate thermal energy. 
C) low air pressure. 
A) presence of cold air. 
B) lack of adequate thermal energy. 
C) low air pressure.

Question 14

What would be the temperature of 40.0 g of 22°C water mixed with 60.0 g of 80°C water?

Accepted Answer

A) 28.4°C 
B) 30.2°C 
C) 50.6°C 
D) 56.8°C 
A) 28.4°C 
B) 30.2°C 
C) 50.6°C 
D) 56.8°C

Question 15

A volume of helium gas has a temperature of 0°C. The same gas twice as hot has a temperature of

Accepted Answer

A) 0°C. 
B) 2°C. 
C) 100°C. 
D) 273°C. 
E) none of the above 
A) 0°C. 
B) 2°C. 
C) 100°C. 
D) 273°C. 
E) none of the above

Question 16

On which temperature scale is 0 degrees the freezing point of water?

Accepted Answer

A) Celsius 
B) Caloric 
C) Kelvin 
D) Fahrenheit 
E) none of the above 
A) Celsius 
B) Caloric 
C) Kelvin 
D) Fahrenheit 
E) none of the above

Question 17

What would be the temperature of a mixture of 50 g of 20°C water and 50 g of 40°C water?

Accepted Answer

A) 25°C 
B) 28°C 
C) 30°C 
D) 32°C 
E) 34°C 
A) 25°C 
B) 28°C 
C) 30°C 
D) 32°C 
E) 34°C

Question 18

At absolute zero, a substance has

Accepted Answer

A) absolutely no molecular motion. 
B) no more energy to give up. 
C) no volume. 
D) all of the above 
A) absolutely no molecular motion. 
B) no more energy to give up. 
C) no volume. 
D) all of the above

Question 19

The motion of molecules that most affects temperature is

Accepted Answer

A) translational motion. 
B) rotational motion. 
C) oscillatory motion. 
D) simple harmonic motion. 
A) translational motion. 
B) rotational motion. 
C) oscillatory motion. 
D) simple harmonic motion.

Question 20

Heat is simply another word for

Accepted Answer

A) temperature. 
B) thermal energy. 
C) thermal energy that flows from hot to cold. 
D) radiant energy. 
A) temperature. 
B) thermal energy. 
C) thermal energy that flows from hot to cold. 
D) radiant energy.

Exam 6: Thermal Energy and Thermodynamics

The direction of natural processes is from states of

Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have

Ice has a lower density than water because ice

A metal ring with a gap in it is shaped like the letter C. When heated, the gap becomes

If the temperature of a sample of 0°C water slightly increases, the sample of water

The motion of particles that contribute to temperature are

If the temperature of a sample of 4°C water slightly decreases, the sample of water

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a

If water had a lower specific heat capacity, would ponds and lakes be more or less likely to freeze in winter?

More disorder means

Which of the following normally warms up faster when heat is applied?

If the same quantity of heat is added to both a 1-liter and a 2-liter container of water, the temperature change of water in the 1-liter container will be

If a room is cold it is due to a

What would be the temperature of 40.0 g of 22°C water mixed with 60.0 g of 80°C water?

A volume of helium gas has a temperature of 0°C. The same gas twice as hot has a temperature of

On which temperature scale is 0 degrees the freezing point of water?

What would be the temperature of a mixture of 50 g of 20°C water and 50 g of 40°C water?

At absolute zero, a substance has

The motion of molecules that most affects temperature is

Heat is simply another word for

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Timereading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: the Nature of Science

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