Internal Energy Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What are the characteristics of solid particles?

A

They can’t move, only vibrate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is potential energy when referring to the movement of particles?

A

The intermolecular forces and chemical bonds of particles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is internal energy?

A

The energy stored in a system by particles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the calculation for internal energy?

A

Kinetic energy + Potential energy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Does melting and boiling increase or decrease potential energy?

A

Increase.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What kind of change is a change of state?

A

Physical.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is evaporation?

A

When a liquid changes into a gas but only on the surface of a liquid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Why does evaporation only occur on the surface of particles?

A

The particles on the surface are the only particles to have enough energy to change state.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly