Unit 1 Part 3 Chemical Reactions Review

Question 1

What is the kinetic molecular theory?

Answer 1

All matter is made up of particles in continuous random motion.

Question 2

How does the kinetic molecular theory relate to gases?

Answer 2

A gas has widely separated molecules in constant, chaotic motion

Question 3

How does the kinetic molecular theory relate to liquids?

Answer 3

Molecules within a liquid are able to move in a more or less chaotic fashion. Allows liquids to be poured, and flow to take the shape of their container.

Question 4

How does the kinetic molecular theory relate to solids

Answer 4

Particles of a solid are not free to move. The molecules within a solid may undergo vibrational motion.

Question 5

Under what circumstances would collisions not result in a chemical reaction?

Answer 5

The collision–reaction theory states that particles must collide with correct orientation and at sufficient speed to react. Reactions will not occur when the orientation is not correct, and/or when the speed is not sufficient.

Question 6

How to balance equations

Answer 6

Metals, polyatomic ion groups, non-metals, hydrogen oxygen last