Chemistry 100

1
(No Transcript)
2
Question 1

• Which is lower in energy?
• a) Mixture of methane and oxygen
• b) Carbon dioxide (g) and water (l)

3
Exothermic Process
4
Question 2

• In which case is the average bond strength the
  greatest?
• a) Methane and oxygen
• b) Carbon dioxide (g) and water (l)

5
Endothermic Process
6
Question 3

• The freezing of water is
• a) Exothermic
• b) Endothermic
• c) Neither

7
Question 4

• When a racquetball is dropped in liquid nitrogen,
  the process (from the racquetballs point of
  view) is
• a) Exothermic
• b) Endothermic
• c) Neither