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Chapter 13

Chem

QuestionAnswer
A solution is a homogeneous mixture of two or more substances True
Air is an example of a gaseous solution. true
Steel is an example of a solid solution true
Which of the following substances is NOT a solution copper
Majority component is called solvent
minority component is called solute
Liquid is solvent
• The oxygen in the air we breath is classified as The solute in a homogeneous mixture is
It would be expected that methanol (CH3OH) would be more soluble in water than methane (CH4) would be true
• Vitamin C is a water-soluble vitamin, so it is likely that this vitamin is polar true
Saturated solution holds maximum amount of solute
Supersaturated solution is one holding more than normal maximum amount of solute
Solubility is formally defined as the amount of a compound that can be dissolved in water False
Which compound below forms an electrolyte solution when dissolved in water KOH
In order for a solute to dissolve in solution The solute-solvent forces must be greater than the solute-solute forces
Which of the following compounds is a strong electrolyte HCL, NaCl, NaC2H3O2
The solubility of solids in water Is independent of pressure above solution
The solubility of gases in water: decreases with increasing temperature
What will happen if a healthy red blood cell is placed into a container of pure water The cell will become swollen
The solubility of gases in water decreases with increasing temperature True
Warm beer goes flat quicker than cold beer true
the solubility of gases in water increases with increasing pressure above the water true
Why is it NOT a good idea to drink seawater when people are lost at sea The high concentration of salt forces water out of the cells lining your stomach and intestine
Solution A has a concentration of 0.10 M sugar and Solution B has a concentration of 0.20 M sugar. If the two solutions are separated by a semipermeable membrane, which of the following occurs during osmosis The molarity of A increases
Solution Dilution: These problems are most conveniently solved using the following equation: M1V1 = M2V2
Osmosis: Osmosis is the flow of water from a low-concentration solution to a high-concentration solution through a semipermeable membrane.
Which of the following statements about colligative properties is TRUE? The boiling point of a solution is increased by the addition of salt, the freezing point of a solution is decreased by the addition of salt, the change in temperature is proportional to the molality
Created by: user-1984338
 

 



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