Unit 2

Question 1

Rules of matter

Answer 1

Has to have a mass

Has to have a volume

Question 2

Solid

Answer 2

Vibrate, very close

Question 3

Liquid

Answer 3

Held with intermolecular forces

Question 4

Gas

Answer 4

Moves quickly, far apart

Question 5

Viscosity

Answer 5

Resistance to flow

Question 6

Kinetic energy

Answer 6

Energy in motion

Question 7

Absolute 0

Answer 7

0 kelvin, no movement

Question 8

Celsius to kelvin

Answer 8

K=C+273

Question 9

Kelvin to Celsius

Answer 9

C=K-273

Question 10

Freezing

Answer 10

Phase change, liquid particle stop moving and bunch together

Liquid to a solid

Question 11

Melting

Answer 11

Particles gain kinetic energy, solid to a liquid

Question 12

Evaporation

Answer 12

Kinetic energy increases, liquid to gas

Question 13

Condensation

Answer 13

Kinetic energy decreases, gas to liquid

Question 14

Sublimation

Answer 14

Gains kinetic energy, solid to gas

Question 15

Deposition

Answer 15

Decreases in kinetic energy, gas to solid

Question 16

Thermochemistry

Answer 16

Heat changes that occur during chemical reactions

Question 17

Law of conservation of energy

Answer 17

Energy cannot be created or destroyed

Question 18

Potential energy

Answer 18

Energy stored in an object because wolf its potential

Question 19

Chemical potential energy

Answer 19

The energy stored within the bonds of a chemical compound