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science gasses

QuestionAnswer
what is pressure pressure is the amount of force exerted on an area
what is the standard pressure of atm 1 atm
what is the standard pressure of Pa 101300pa/ 101.3kpa
what is the standard pressure of torr 760 torr
what is the standard pressure of mmhg 760 mmHg
what are some factors that affect pressure 1. temperature- faster particles move, they wil collide with the walls of the containor 2. amount of gas- # of particles 3, volume- less space, increase in pressure, more likely to collide
how do we describe gases - no definite shape or volume -take shape + volume of their container - fluids: particles can flow easily
avogadro's hypothesis any gases with the same pressure, temp, and volume will have an equal # of particles
the kinetic molecular theory 1. no mass + particles have no volume 2. collisions between moving gases are elastic ( energy is transformed) 3. gases move in a rapid, random, straight line motion. No attractive forces between gas particles.
what are real gases - have some mass + volume - collisions are inelastic, energy is transferred to surroundings - gas particles have slight attraction for each other
what are the ideal gas conditions: high temp and low pressure
what is Boyle's law pressure and volume are inversely related
what is the formula for Boyle's law P1V2=P2V2
what is charles'law volume and temperature are directly related at a constant pressure
what is the formula for charles law V1/T1=V2/t2
what is Gay Lussac's law pressure and temperature are directly related at constant volume
what is the formula for gay lussac's law P1/T1=P2/T2
the combined gas law P1V2/T1=P2V2/T2
how is vapor pressure defined? At the surface of a liquid, some of the particles have enough energy to turn into vapor ( gas phase) a liquid boils when its vapor pressure equals the external pressure acting on the surface of the liquid
what is the normal boiling point boiling point of a liquid 1 atm or 101.3 kpa
ideal gas law equation PV=nRT
what is dalton's law of partail pressure used when different gases are mixed together in the same container
what is the formula p1+p2+p
Created by: lezzat
 

 



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