Thermal Physics

Question 1

What Does Density Mean

Answer 1

Mass Per Unit Of Volume

Question 2

Density Of Water

Answer 2

1g/cm^3

Question 3

Solids

Answer 3

Vibrate About A Fixed Point

Close Together

Fixed Together Due to Strong Intermolecular Forces

Question 4

Liquid

Answer 4

Move About Each Other

Close Together

Takes Shape of Container

Question 5

Gases

Answer 5

Completely Free to move

Far Apart

Fills Any Space

Question 6

Solid To Liquid

Answer 6

Melting

Question 7

Liquids to Gases

Answer 7

Evaporation

Question 8

Gases to Liquids

Answer 8

Condensation

Question 9

Liquids to Solid

Answer 9

Freezing

Question 10

Solids to Gases

Answer 10

Sublimation

Question 11

What Change Is a Change of State

Answer 11

Physical

Question 12

Latent Heat

Answer 12

When a Substance Changes State Molecules Gain P.e.

Question 13

Specific Latent Heat

Answer 13

The Required Energy for 1Kg of substance to change state

Question 14

What is a Cooling Curve

Answer 14

The Rate of Cooling of a Hot Object, Depends on its surroundings

Question 15

The Particle Model of Gases

Answer 15

Move Randomly
Collide With Each Other in the Container

Question 16

Compressing gases (Boyles Law)

Answer 16

As the Pressure Increases Volume Decreases Because as Volume Decreases Collisions Increase and in Turn A higher pressure is Created.