Laws of Thermodynamics

1.

Multiple Choice

45 sec

1 pt

What is thermodynamics?

study of heat and work

study of momentum

study of atoms

study of light

2.

Multiple Choice

45 sec

1 pt

It is possible to reach absolute zero

true

false

3.

Multiple Choice

45 sec

1 pt

The second law of thermodynamics states that entropy of a system tends to ______________.

increase

decrease

stay constant

fluctuate wildly

4.

Multiple Choice

45 sec

1 pt

The temperature of a glass of cold water will eventually...

Match the temperature of the surrounding environment.

Always be colder than the surrounding environment.

Become warmer than the surrounding environment.

Never change temperature.

5.

Multiple Choice

45 sec

1 pt

The first law of thermodynamics states that energy is

created

destroyed

conserved

created and destroyed

6.

Multiple Choice

45 sec

1 pt

How many laws of thermodynamics are there?

5

4

3

2

1

7.

Multiple Choice

45 sec

1 pt

Entropy increases from solid, liquid to gas. Why?

Molecular disorder increases

Molecular randomness decreases

Molecules are more energetic

Molecules are more reactive

8.

Multiple Choice

45 sec

1 pt

In which of the following systems is entropy increasing?

Putting together a puzzle

Putting books on a shelf

Breaking a plate

Filling a jar of salt

9.

Multiple Choice

45 sec

1 pt

The first law of thermodynamics states that the change in the internal energy of a system is equal to the difference in energy transferred to or from the system as heat and

mass

work done

force

pressure

10.

Multiple Choice

45 sec

1 pt

Heat transfers from an area of ____temperature to an area of ___ temperature.

high to low

low to high

high to high

All

11.

Multiple Choice

45 sec

1 pt

If an ideal gas is compressed isothermally, which of

the following statements is true?

Energy is transferred to the gas by heat.

No work is done on the gas.

The temperature of the gas increases.

The internal energy of the gas remains constant.

None of those statements is true

12.

Multiple Choice

45 sec

1 pt

When an ideal gas undergoes an adiabatic expansion, which of the following statements is true?

The

temperature of the gas doesn’t change

No work is done by the gas.

No energy is delivered to the gas by heat

The internal energy of the gas doesn’t change.

The pressure increases

13.

Multiple Choice

45 sec

1 pt

A gas is heated by supplying it with 250 kJ of

energy; at the same time, it is compressed

so that 500 kJ of work is done on the gas.

Calculate the change in the internal energy of

the gas.

250 kJ

750 kJ

-250 kJ

500 kJ

14.

Multiple Choice

45 sec

1 pt

A heat engine

converts heat input to an equivalent amount of work

converts work to an equivalent amount of heat

takes heat in, does work, and loses energy heat

uses positive work done on the system to transfer heat from a low temperature reservoir to a high temperature reservoir

uses positive work done on the system to transfer heat from a high temperature reservoir to a low temperature reservoir

15.

Multiple Choice

45 sec

1 pt

Which of the following statements best describes the Second Law of Thermodynamics?

The internal energy of the universe is constant.

Energy can be neither created nor destroyed.

When an isolated system undergoes a spontaneous change, the entropy of the system will increase.

At absolute zero, the entropy of a perfect crystal is considered to be zero.

16.

Multiple Choice

45 sec

1 pt

An ice cube is placed on a table and begins to melt. The following conclusion can be made.

Energy is being absorbed by the table which causes the cube to melt.

Energy is being transferred from the table to the ice cube.

Energy is being created by the air and table and making the cube heat up.

Energy is being created by the ice cube and is being released to the air

17.

Multiple Choice

45 sec

1 pt

The _____ Law of Thermodynamics says that heat always flows from an object with a higher temperature to an object of lower temperature naturally

Zeroth

First

Second

Third

18.

Multiple Choice

45 sec

1 pt

Which law of thermodynamics states that absolute zero cannot be reached?

1st

2nd

3rd

Zeroth

19.

Multiple Choice

45 sec

1 pt

As time progresses, Energy will naturally become more spread out. It can only come together if you make it.

Zeroth Law of Thermodynamics

First Law of Thermodynamics

Second Law of Thermodynamics

Third Law of Thermodynamics

20.

Multiple Choice

45 sec

1 pt

What is internal energy?

The amount of heat an object contains.

The sum of the kinetic and potential energy of the particles of a substance.

Something we can measure easily.

Something that does not exist.

21.

Multiple Choice

45 sec

1 pt

The first law of thermodynamics is basically the same as which law?

Newton's first law

The law of conservation of energy

The law of conservation of momentum

Newton's second law

22.

Multiple Choice

45 sec

1 pt

It states that if two thermodynamic systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with each other.

First Law of Thermodynamics

Second Law of Thermodynamics

Third Law of Thermodynamics

Zeroth Law

23.

Multiple Choice

45 sec

1 pt

Which of the following would have the highest entropy?

A cold solid

A hot liquid

A hot gas

A cold gas

24.

Multiple Choice

45 sec

1 pt

Which law states "The entropy of a closed system is always increasing"?

Zeroth Law

1st Law

2nd Law

3rd law

25.

Multiple Choice

45 sec

1 pt

Which law states "Energy can neither be created nor destroyed. It can only be transformed"?

Zeroth Law

1st Law

2nd Law

3rd law

26.

Multiple Choice

45 sec

1 pt

Which law explains the relationship between temperature and entropy?

Zeroth Law

1st Law

2nd Law

3rd Law

27.

Multiple Choice

45 sec

1 pt

Which law of Thermodynamics helps to explain how car engines work?

Zeroth Law

1st Law

2nd Law

3rd Law

28.

Multiple Choice

45 sec

1 pt

Which type of system is always used in the Laws of Thermodynamics?

Open Systems

Closed Systems

Isolated Systems

Skeletal System (obviously)

29.

Multiple Choice

45 sec

1 pt

Which type of system is depicted here?

Open System

Closed System

Isolated System

30.

Multiple Choice

45 sec

1 pt

Which would have the highest entropy?

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