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Chem Gases

QuestionAnswer
1 atm 760 torr
1 torr 1 mm Hg
0 C 273 K
H2 flammable
O2 respiration
O3 block UV
CO toxic
CO2 fire extinguisher
N2 inhaled, does nothing
STP 1 atm, 0 C (273 K)
volume of 1 mol of gas at STP 22.4 L
Boyles Law PV = k
Charles Law V/T = k
Gay Lussacs Law P/T = k
all laws combined PV/T = k
ideal gas law PV = nRT
formula for R PV/nT
R 0.0821
formula for molar mass (MM) M/n
formula for density D = M/V
gas density D= PMM/RT
n number of moles
M mass
D density
P pressure
T temperature
V volume
R constant variable
k constant
Daltons Law total pressure equals all added partial pressures
collecting gas over water total pressure will contain water vapor
Grahams Law big molecules are slower, small particles are faster
Grahams Law Formula M₁v₁²=M₂v₂²
v velocity
Created by: Hola0205
 

 



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