# Shared Flashcard Set

## Details

Gases
chapter from my chem book.
42
Chemistry
06/06/2010

Term
 Gases have
Definition
 mass
Term
 It is easy to ______ gases
Definition
 compress
Term
 Gases ________ their containers _________
Definition
 fill, completely
Term
 Gases _______ through each other _______
Definition
 diffuse (move through), rapidly.
Term
 Gases exert
Definition
 pressure
Term
 The pressure of a gas depends on its
Definition
 temperature
Term
 Gases are made up of ____________ with ____
Definition
 small particles with mass
Term
 The distances separating particles is
Definition
 relatively large
Term
 The volume of gas particles is assumed to be
Definition
 zero
Term
 Particles are in
Definition
 constant/random/rapid motion.
Term
 Collisions of gas particles with each other or the walls of the container are
Definition
 perfectly elastic
Term
 The average kinetic energy of a gas depends only on
Definition
 gas temperature
Term
 The lower the ______, the lower the _________ and vice versa
Definition
 temperature, energy
Term
 Gas particles exert __ _____ on each other
Definition
 no force.
Term
 Amount of gas
Definition
 n, amount in moles
Term
 Volume
Definition
 V, in liters
Term
 Temperature
Definition
 T, in Kelvins
Term
 T(K) =
Definition
 T(C) + 273
Term
 Pressure
Definition
 P, generally in atm
Term
 Atmospheric pressure
Definition
 the pressure exerted by the air in the atmosphere.
Term
 1 atm in Pascals
Definition
 101,325 Pa
Term
 1 atm in mm Hg
Definition
 760 mm Hg
Term
 1 atm in torr
Definition
 760 torr
Term
 1 atm in lb/in^2
Definition
 14.70 lb/in^2
Term
 1 bar in Pa
Definition
 100,000 Pa
Term
 1 bar in atm
Definition
 0.9869 atm
Term
 barometer
Definition
 glass tube that is sealed at one end, filled with mercury, then inverted into a reservoir of mercury.
Term
 manometer
Definition
 measures pressure inside a closed container.
Term
 STP
Definition
 Standard Temperature and Pressure: 273 K (0 C), 1 atm.
Term
 Boyle's Law
Definition
 The pressure and volume of a sample of gas at a constant temperature are inversely proportional to each other.
Term
 Boyle's Law equation
Definition
 P1V1=P2V2
Term
 absolute zero
Definition
 -273.15 C, 0 K
Term
 Charles's Law
Definition
 At a constant pressure, the volume of a fixed amount of gas is directly proportional to its absolute temperature.
Term
 Charles's Law Equation
Definition
 V1T2 = V2T1
Term
Definition
 Equal volumes of gases at the same temperature and pressure contain an equal number of particles.
Term
Definition
 V = k3N
Term
 Dalton's Law of Partial Pressures
Definition
 The sum of the partial pressures of all the components in a gas mixture is equal to the total pressure of the gas mixture.
Term
 Ideal Gas Equation
Definition
 PV = nRT
Term
 Real gas
Definition
 all gases.
Term
 Gas Constant
Definition
 R, 0.0821 atm-L/mol-K
Term
 All variables can be theoretically adjusted to give
Definition
 low density.
Term
 Effusion
Definition
 The movement of atoms or molecules through a hole so tiny that they do not stream through but instead pass through one particle at a time.
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