Type of interaction that is primarily responsible for holding water in its liquid state.
What is hydrogen bonding?
100
Describes a hydrated crystal that has a vapor pressure high enough to loose its water to air.
What is efflorescent?
100
Phenomenon observed when a beam of light passes through a colloid.
What is the Tyndall effect?
100
A formula for a hydrate that is composed of 75.5% calcium chloride and 24.5% water.
What is CaCl2•2H2O?
100
The volume of 1 gram of ice at 0 degree Celsius compared to the volume of 1 gram of liquid water at the same temperature?
What is greater?
200
The temperature at which water has a maximum density of 1.000 g/cc.
What is 4 degrees Celsius (4+273=277)K?
200
A compound that conducts an electric current when it is in an aqueous solution or a molten state.
What is an electrolyte?
200
A type of mixture in which settling of particles occur.
What is a suspension?
200
The amount, in grams, of iron that must react with excess steam to produce 10.0L of hydrogen gas at 20 degrees Celsius and 99.0kPa.
How many is 17.0 g of iron?
200
The volume of 1 gram of liquid water at 100 degrees Celsius compare to the volume of 1g of steam at the same temperature.
What is less?
300
The amount of heat absorbed when 6.30 grams of water melts.
How much is 2.10kJ?
300
The number of water molecules in 39 formula units of calcium chloride dihydrate.
What is 78?
300
Colloidal dispersion of a liquid in a liquid.
What is an emulsion?
300
Explains why calcium carbonate will not dissolve appreciably in water, but magnesium sulfate will.
What are strong ionic forces?
300
The molar mass of a gas that diffuses four times as fast as oxygen.
What is 2 grams per mole?
400
One of only a few solids that can float their own liquid.
What is ice?
400
The percentage of water in cobalt(II) chloride pentahydrate.
What is 45%?
400
Molecules of the dispersion medium colliding with dispersed particles.
What causes the Brownian motion?
400
The balanced chemical equation when epsom salt (magnesium sulfate pentahydrate) changes to the monohydrate.
What is MgSO4•7H2O → MgSO4•H2O + 6H2O
400
The molar mass of an unknown gas that effuses at a rate of 75 seconds per mole compared to oxygen gas at a rate of 30 seconds per mole.
What is 200g/mol?
500
Determines whether a substance in its solid state will float in its own liquid state.
What happens when the density (of a solid) is lower than the density in its liquid state?
500
The amount, in grams, of copper sulfate pentahydrate that needs to be heated in order to produce 29.8 grams of water.
How much is 82.6 grams?
500
Particles in this type of aqueous system, which includes homogenized milk, can be filtered out.
What is a suspension?
500
The balanced equation for the ionization of copper(II) nitrate.
What is Cu(NO3)2(s) --> Cu2+(aq) + 2NO3-(aq)?
500
The total pressure of a 40.0L container in which 34g of ammonia reacts with 96g of oxygen at a temperature of 120 degrees Celsius producing nitrogen monoxide and water vapor.