Vapor Pressure & Gas Properties
Solution Types, Properties & Curves
Double Replacement
Gas Laws
Concentration & Colligative Properties
100
A high vapor pressure indicates:
low intermolecular forces
100
Under what conditions are gases most soluble in liquids?
low temperature & high pressure
100
Following a double replacement reaction, the solid product is:
A pricipitate
100
The acronym referring to conditions a real gas behaves most like an ideal gas
PLIGHT
100
The phrase which describes that polar solutes dissolve into polar solvents, & nonpolar solutes dissolve into nonpolar solvents
Like dissolves like
200
Using Table H, what can be said about the intermolecular forces of ethanol and water?
ethanol has weaker IMFs, as seen by its higher vapor pressure
200
The region below a solubility curve indicates what type of solution
Unsaturated
200
Given the reaction: ZnCO3 + BaCl2 >
What is the precipitate?
BaCO3
200
The rate at which a gas dissolves is related to its:
molar mass
200
What is the molarity of a solution that contains 0.75 mols of NaCl in 500. mL of solution?
1.5 M
300
Using Table H, what is the vapor pressure of propanone at 45 degrees?
70 kPa
300
The solubility of KCl (s) depends on: (list one variable)
temperature
300
The precipitate formed when K2SO4 (aq) and Ca(ClO3)2 (aq) is:
CaSO4
300
No intermolecular forces, negligible volume, elastic collisions, constant straight line motion
ideal gases via kinetic molecular theory
300
What is the mass of solute in 800 grams of solution, with a concentration of 6 ppm? [Rounded for significant figures]
0.005 g
400
As temperature of a gas increases, volume and pressure...
Volume increases, pressure increases
400
When halides are combined with these, they are insoluble [list at least 2]
Ag, Pb, Hg
400
LiBr (aq) + PbNO3 (aq) > ??
[Chemical and phase]
LiNO3 (aq) + PbBr (s)
400
The temperature of a 5.00 L sample at constant pressure is changed from 300. K to 350. K. What is the new volume? [Round to sig figs]
5.83 L
400
The molecule Al(NO3)2 dissolves into how many electrolytes?
Three
500
A liquid boils when vapor pressure...
equals atmospheric pressure
500
in 100 g of water, what temperature is required to dissolve 50 g of NH3
Less than 25 degrees C
500
CaCl2 (aq) + K2SO4 (aq) > ??
[Chemicals and phase]
CaSO4 (s) + KCl (aq)
500
A 2.8 L sample at 125 kPa and 250 K is changed to STP. what is the new volume? [Round to sig figs]
3.8 L
500
On a molecular level, describe freezing point depression.
dissolved solutes disturb the solvent's ability to form the rigid crystalline structure found in solids.