Changes of State

Question 1

Define Brownian Motion

Answer 1

Random movement displayed by small particles that are suspended in fluids.

Question 2

Brownian Motion as evidence for the kinetic particle model of matter

Answer 2

Gases based on movement of particles in force fields of other particles and collision and scattering with them.

Question 3

Define Diffusion

Answer 3

Movement of individual molecules of a substance through a semipermeable barrier from an area of higher conc. to an area of lower conc.

Question 4

Define Sublimation

Answer 4

Particles go from solid to gas form