AP Chemistry Gas Laws
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Last updated 3:08 PM on 12/20/22
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11 Terms
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Boyle's Law
P₁V₁=P₂V₂
if temperature is constant
if temperature is constant
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Charles' Law
V₁/T₁=V₂/T₂
volume of a fixed mass of a gas is directly proportional to temperature when held at constant pressure
when temperature goes up
volume of a fixed mass of a gas is directly proportional to temperature when held at constant pressure
when temperature goes up
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Gay-Lussac's Law
P₁/T₁=P₂T₂
for given mass and constant volume of a gas
for given mass and constant volume of a gas
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Combined Gas Law
P₁V₁/T₁=P₂V₂/T₂ combines the rules of Boyles, Charles, Gay-Lussac’s
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Standard Temperature and Pressure (STP)
14.7 psi = 1 atm = 760 mmHg/ torr = 101.325 kPa
0° C = 273.15 K
0° C = 273.15 K
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Celsius to Kelvin
K=°C+273.15°C= K-273.15
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BP
barometric pressure, air pressure
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Boiling point of water in Celsius
100°C760mmHg
higher the water temperature
higher the water temperature
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Standard volume of gas at STP
22.4L = 1 mol
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Ideal Gas Law
gas not at STP
PV=nRT
R= 0.0821 L • atm/mol • K
PV=nRT
R= 0.0821 L • atm/mol • K
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Diatomic Gases
H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂