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Chem Semester Test

From Gas Laws On ------>

Barometer A device that measures atmospheric pressure
What does atmospheric pressure result from? The weight of the air.
1 atm = how many mm Hg? 760 mm Hg
760 mm Hg = how many torrs? 760
Boyle's Law P1V1 = P2V2
Boyle's Law deals with? Pressure and volume
P = atm
V = Liters
Charles's Law deals with? Volume and Temperature
Charles's Law V1/T1 = V2/T2
T = K (temperature)
Avagadro's Law deals with? Volume and moles
Avagadro's Law The same as Charles's Law
Ideal Gas Law PV=nRT
Kinetic Molecular Theory Explains the behavior of an ideal gas.
At 1atm pressure, water boils at 100C
At 1atm pressure, water freezes at 0C
Intramolecular Forces The bonding forces that hold the atoms of a molecule together.
Intermolecular Forces The forces that occur among molecules that cause them to aggregate to form a solid or a liquid.
Molar Heat of Fusion The energy required to melt 1 mole of a substance is -
Molar Heat of Vaporization The energy required to change 1 mole of liquid to its vapor -
Dipole-Dipole Attraction When molecules can attract each other by lining up so that the positive and negative ends are close to each other.
Hydrogen Bonding When strong dipole-dipole forces occur between molecules in which hydrogen is bound to a highly electronegative atom.
London Dispersion Forces The forces that exist among noble gas atoms and nonpolar molecules.
Molarity Describes the amount of solute in moles and the volume of the solution in liters.
Dilution The process of adding more solvent to a solution.
Created by: MeganCheney



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