IMF
All atoms and molecules contain this type of intermolecular force
What is a dispersion force
State of matter with definite shape and definite volume
What is a solid
What phase change involves turning a liquid into a gas?
What is vaporization
Heat is measured in units of
What are kilojoules
Define surface tension
What is the tendency of a liquid to minimize its surface area
Rank the following forces from strongest to weakest:
Dispersion, Hydrogen bonding, dipole-dipole, and ion-dipole
What is ion-dipole, hydrogen bonding, dipole-dipole, and dispersion
State of matter with indefinite shape, and definite volume
What is a liquid
What phase change involves turning a solid directly into a gas
What is sublimation
The amount of heat required to melt one mole of a solid is called the...
What is the heat of fusion
Polar and _______ compounds are most likely to be miscible.
What is polar
What intermolecular forces are present in Helium
What is dispersion
State of matter with the lowest attraction
What is a gas
Which of the following is an exothermic process, melting or freezing?
What is freezing
ΔHvap is negative for what phase change?
What is condensation
Describe two ways to increase the rate of vaporization
What is increase the temperature, or increase the surface area
What intermolecular forces are present in CH3CH2OH
What are dispersion, dipole-dipole, and hydrogen bonding
What state of matter has the lowest density
What is a gas
Which of the following is an endothermic process:
deposition, sublimation
sublimation
How many kilojoules of heat are needed to completely vaporize 12.0 grams of H2O?
Given ΔH= 40.7 kJ/mol
What is 27.1 kJ of heat
Which element has the highest boiling point:
F, Cl, Br, I
What is Iodine
What intermolecular forces are present in HCl
What are dispersion and dipole-dipole
What state of matter has a high density, indefinite shape, and is difficult to compress
What is a liquid
While water boils, continuing to heat the liquid will _________ the temperature.
What is not change
How much energy does it take to melt 20.0g of ice?
Given ΔHfus= 6.02 kJ/mol
What is 6.68 kJ
What type of solid is C12H22O11
molecular, ionic, or atomic?
What is molecular