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Chemistry U2 Test Sem 2
Terms in this set (18)
Water vapor in the bathroom after a hot shower is an example of what type of solution?
The random movement of molecules in a solvent causes a cube of solid solute to ________.
We did a lab in physical science where we separated ink pigments. What was this process called?
moles of solute/liters of solution
What are the units of molarity
Which colligative property is employed when coolant is added to a car's radiator to keep it from overheating?
Crude oil is separated into different substances such as gasoline, petroleum, diesel fuel, and propane by which process?
increase temperature, increase surface area (smash it), stir
What things might you do to dissolve sugar your sugar cube at a faster rate?
A solution contains 45 grams of nitrogen gas and 40 grams of argon. What is the mole fraction of argon in this solution?
moles of a solute divided by the kilograms of solvent
Which colligative property is employed when salt is put on an icy sidewalk to melt ice?
In an icy glass of tea, which of the following is the solvent?
As I browned my hamburger meat, I rinsed the grease out before I added it to my spaghetti sauce. What method did I use to separate the grease and meat?
The process of fractionation is based on which property of the components of a solution?
You have two liquids in solution. The solutions have different boiling points. Which of the following is the best method to separate them?
Martha has a large amount of 1.25 M H2SO4 in her lab. She needs 36 grams of H2SO4 for a chemical reaction she wants to perform. How many liters of the solution should she use?
A solution is prepared from 8 grams of acetic acid (CH2CO2H) and 725 grams of water. What is the molality of this solution?
Which of the following involves separating a solution by moving liquids across a selectively permeable membrane?
Solutions that cannot dissolve any more solute
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