3.1 Phase Changes

Question 1

What is fusion?

Answer 1

• melting.
• s -> l
• endothermic (increased heat)
• increased entropy

Question 2

What is vaporization?

Answer 2

• l -> g
• endothermic (increased heat)
• increased entropy

Question 3

What is sublimation?

Answer 3

• s -> g
• endothermic (increased heat)
• increased entropy

Question 4

What is condensation?

Answer 4

-l

Question 5

What is crystallization?

Answer 5

• Freezing

- s

Question 6

What is deposition?

Answer 6

-s

Question 7

What is the calorimetry equation

Answer 7

Q = MC△T 
Q=Heat in Joules (J)
M=Mass in grams (g)
C=Specific heat in (J/kg∙K)
△T=Change in temperature in Kelvin (K)