WorksheetsChapter 13 Exam
Total questions: 20
Worksheet time: 3hrs 20mins
What is the force needed to overcome intermolecular attractions and break through the surface of a liquid or spread a liquid out?
Capillarity
Surface Tension
Specific Heat
Tyndall Effect
Do ionic or covalent compounds experience dissociation?
Neither types of compounds experience dissociation
Ionic
Covalent
Both types of compounds experience dissociation
What are the units for Molarity (M)?
Moles/liters
Moles/milliliters
grams/liters
grams/milliliters
How is water a unique substance?
All of the above
Water is a liquid at room temperature
Water has a lower density in a solid state than at a liquid state
Water has a very higher boiling point despite its very small molecular size
Select all the elements that can participate in hydrogen bonding:
Hydrogen
Chlorine
Fluorine
Carbon
How many hydrogen bonds are present in this image?
4
5
3
1
What unit is specific heat measured in?
Degrees Celsius
Kelvin
Joules
Grams
In a solution: if the amount of solute dissolved is less than the maximum that can be dissolved, the solution is considered ________________
Supersaturated
Saturated
Unsaturated
If a solution contains the maximum amount of solute per amount of the solution under given conditions, the solution is considered:
Unsaturated
Saturated
Supersaturated
True or False: Pure water has a lower freezing point than salt water
False
True
If we add a solute to pure water, what will happen to the boiling point and the freezing point of the solution?
The boiling point will go up and the freezing point will go down
The boiling point will go down and the freezing point will go up
The boiling point and the freezing point will both go up
The boiling point and the freezing point will both go down
Select the answer that most accurately describes hydrogen bonding:
A bond between two electronegative nonmetals
A bond between a hydrogen atom and another highly electronegative atom
A bond between a nonmetal atom and a metal atom
A bond that is formed between one hydrogen atom and another hydrogen atom
True or False: the more O-H bonds present in a compound, the higher the freezing point will be
True
False
You are being asked to prepare a 3.8M solution of Na2SO4, with a final volume of 2.75 L. How much solid NaSO4 would you add to create this solution?
1484.3 g
1357.7 g
1002.9 g
1594.0 g
If you add 289 g of CuCO3 to a solution with a volume of 1.3 L, what is the Molarity of the resulting solution?
1.8 M
3.2 M
2.3 M
1.6 M
What is not true about colloids?
They have larger than normal particles compared to regular solutions
They can always pass through a selectively permeable membrane
Some colloids experience the Tyndall Effect
Colloids will be evenly distributed and will never settle
You are given 4 solutions. Solution A has a concentration of 1.2M, Solution B has a concentration of 3.4M, Solution C has a concentration of 1.0M, and Solution D has a concentration of 0.5M. Which solution has the lowest freezing point?
Solution A
Solution B
Solution C
Solution D
You are given 4 solutions. Solution A has a concentration of 1.0M, Solution B has a concentration of 0.2M, Solution C has a concentration of 1.7M, and Solution D has a concentration of 0.1M. Which solution has the highest boiling point?
Solution A
Solution B
Solution C
Solution D
Based on your knowledge of unsaturated, saturated, and supersaturated solutions, what would you classify this solution in the image as?
Saturated
Unsaturated
Supersaturated
During osmosis, solvent molecules move through a selectively permeable membrane. This particles are moving from a region of ____________ concentration to a region of ______________ concentration
Higher; Lower
Lower; Higher
The particles actually do not move through osmosis
