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23 Cards in this Set
 Front
 Back
Pressure

Force per unit


Pascals

SI unit for pressure


Standard Atmospheric pressure

dinfined as 760 torr


Atmoshere

a unit of pressure equal to 760 Torr


Torr

a unit of pressure


Boyle's Law

A law stating that at constant temperature the product of the volume and pressure of a given amount


Charle's Law

a law stating that a constant pressure, the volume of a given quanity of gas is proportional to absolute temperature


Avogadro's Hypothesis

a statement that equal volumes of gases at the samideal gas e temparture and pressure contain equal number of molecules


Avogadro's Law

a statement that the volume of a gas maintained at a constant temperature is directy proportional to the the number of moles of the gas


idealgas equation

PV=nRT


Ideal Gas

a hypothetical gas whose pressure, volume, and temperature behavior is completely described by the ideal gas equation


Gas constant

the constant in PV=nRT (R)


Standard Temperature and pressure

defined as 0 degrees C and at 1 atm frequently used as a refernce for gases


partial pressure

pressure exerted by a particular gas in a mixture


Dalton's law of partial Pressure

a law stating that the total pressure by a of a mixture of gases is the sum of the pressure that each gas would exert if it were present alone


mole fraction

ratio of moles of one componet of a mixture to the total moles of all componets


kineticmolecular theory

a saet of assumptions about the nature of gases. These assumptions, when translatedinto mathmatical form, yeild the idealgas equation


rootmeansquare (rms) speed

the square root of the average of the squared speeds of the gase molcules in a gase sample


effusion

the escape of gas through an orfice or hole


Graham's law

a law stating that the rate of effusion of a gas is inversely proportional to the square root of it's molecular weight


diffusion

the spreading of one substances through a space occupied by one or more other substances


mean free path

the average distance traveled by a gas molecule between collisions


van der Waals equation

an equation of state for nonideal gases that is based on adding corrections to the idealgas equation the correction terms account for intermolcular forces of attraction and for the volume occupied by the gas molecules themselves
