Pretest energy balance

What is the process of ice turning to water?

• Melting

• Freezing

• Boiling

• Condensation

What is process of liquid turning into vapor (gas)? [Two possible answers]

• Melting

• Condensation

• Vaporization

• Boiling

What is the process of solid turning into vapor (gas)?

• Sublimation

• Melting

• Vaporization

• Boiling

What is the process involving in CO (l) to CO (g)? (2 corrected answers)

• Melting

• Vaporization

• Condensation

• Boiling

What is the molecular weight of CaCO3? (Ca = 40, C = 12 and O = 16)

• 100 g

• 1 g

• 5 g

• 68 g

54 g H2O equals to ? mol (H = 1, O = 16)

• 3

• 54

• 1

• 16