Kinetic Particle Theory

Question 1

Arrangement of Particles of Solid

Answer 1

Very closely packed in an orderly manner

Question 2

Movement of Particles of Solid

Answer 2

Vibrate about in fixed positions

Question 3

Arrangement of Particles of Liquid

Answer 3

Closely packed in a disorderly manner

Question 4

Movement of Particles of Liquid

Answer 4

Slide past each other and move over short distances

Question 5

Arrangement of Particles of Gas

Answer 5

Far apart in a disorderly manner

Question 6

Movement of Particles of Gas

Answer 6

Move rapidly in all directions

Question 7

Solid to Liquid

Answer 7

Melting

Question 8

Liquid to Solid

Answer 8

Freezing

Question 9

Liquid to Gas

Answer 9

Boiling/Evaporation

Question 10

Gas to Liquid

Answer 10

Condensation

Question 11

Solid to Gas

Answer 11

Sublimation

Question 12

Gas to Solid

Answer 12

Deposition

Question 13

What is Diffusion?

Answer 13

Diffusion is the movement of particles from a region of higher concentration to a region of lower concentration.

Question 14

Why does the graph remain constant during melting/boiling?

Answer 14

During melting and boiling, the temperature remains constant although heating continues because heat energy is used to overcome the attractive forces between the particles.

Question 15

Why does the graph remain constant during freezing/condensation?

Answer 15

During freezing and condensation, the temperature remains constant although cooling continues because heat energy is released when the attractive forces between the particles are formed.