CHM 2046C Module 7 Part II Sample Exam

Part S: Discussion Questions 5 points

1.a. What is the Hydrogen Bond?

1.b. Describe the requirements for the Hydrogen Bond..

1.c. Draw a hydrogen bond between a water molecule and an ethanol (CH₃CH₂OH) molecule.

2a. Describe the process of dynamic equilibrium that exists between a liquid and its vapor in a closed container.

2.b. Why does a system in an open container never reach equilibrium?

3.a. What is the critical point?

3.b. Draw a vapor pressure curve for water and demonstrate the critical points

4.a. Describe the phenomenon of surface tension.

4.b. does water climb up the sides of glassware, while Mercury would not? Sketch/label tubing to show each