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Chem-Module 12

Pressure The force per unit area exerted on an object
Pa Pascal
1.000 atm (kPa) 101.3 kPa
1.000 atm (torr) 760.0 torr
1.000 atm (mmHg) 760.0 mmHg
Boyle's Law PV=constant
Charles's Law At constant pressure, the temperature and volume of a gas are linearly proportional.
Extrapolation Following an established trend in the data even though there is no data available for that region
The Combined Gas Law P1V1/T1 = P2V2/T2
The molecules (or atoms) that make up the gas are very ______ compared to the total volume available to the gas. small
The molecules (or atoms) that make up the gas must so _____ apart that there is no _______ or _______ between them. Far, attraction, repulsion.
The collisions that occur between the gas molecules (or atoms) must be ______. In other words, no no energy can be lost in the collision. Also, no energy can be lost when they collide of the wall of the container. Elastic
Standard Temperature and Pressure A temperature of 273 K and a pressure 1.00 atm
Dalton's Law of Partial Pressures When two or more ideal gases are mixed together, the total pressure of the mixture is equal to the sum of the pressure of each individual gas.
Vapor Pressure The pressure exerted by the vapor which sits on top of any liquid.
The ______ pressure of any liquid _______ with increasing temperatures Vapor, increases
Boiling point The temperature at which the vapor pressure of a liquid is equal to normal atmospheric pressure
Mole fraction X= # of moles of component/total # of moles in the mixture
P1 = P1=X1PT
Ideal gas constant R+ 0.0821 L x atm/mole x K
Created by: akikoandpoog



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