2.8 Developing Fuels

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2.8 Developing Fuels
Measuring Volumes
1dm3
= 1000cm3
Molar Volume
The number of molecules in 1 mole of gas = Avogadro's constant (6.02 x 1023)
Equal volumes of all gases at the same temperature and pressure contain an equal
number of molecules
The volume occupied by 1 mole of gasses called the molar volume
At 298 K and 1 atm 1 mole of gas = 24 dm3
Ideal Gas Equation (watch units!)
Pressure (Pa) + V
olume (m3) = number of moles (mol) x R
gas constant (J K1) x Temperature (K)

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