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Gas laws

TermDefinition
Gases exist as completely ______ molecules seperate
Gases are composed of mostly _________ ________ empty space
Gas particles are in __________ random line motion continuous
What do molecular collisions create? Pressure
______ between gas molecules are elastic collisions
What does elastic mean? No loss of energy
What does an increase in temperature result in ? An increase in molecular motion, an increase pressure, an an increase in volume
How do gas molecules do in any container they occupy They completly fill an container they occupy
Ideal gases theoretical gases that have no intermolecular forces of attraction
Real gases Actual gases that have intermolecular forces of attraction
Ideal gases have no _____ volume
Independent variable The variable changed by the experimenter
Dependent variable The variable measured by the experimenter
Control variables quantinites held constant during the experiment
Volume space occupied by a gas sample (Measured in L or mL)
Temperature Average kinetic energy of the molecules of a gas sample (Measured in K)
Pressure A force caused by the molecular collisions in a sample gas ((Measured in ATM, kPa, mmHg, or torr)
Gay-Lussacs laws An increase in temperature leads to an increase in pressure due to molecular collisions (direct relationship), volume must be held constant
The number of ____ and ______ in a sample reamains unchanged Molecules and Mass (Closed system)
Boyles law As volume increases, pressure decreases (Inverse relationship), temperature must be held constant
Charles law As temperature increases, volume increases (direct relationship), pressure must be held constant
Gas law formula p1v1/t1 = p2t2/t2 (cross out anything that is held constant)
Avogadro's law (Volume-Mole relationship) Under similar conditions, equal volumes of gas contain equal numbers of molecules (If conditions are not the same us Boyles law and Charles law to convert to similar conditions)
What is 1 ATM equal to? 760 mmhg (millimeters of mercury)
Created by: 29wernera
 

 



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