10: The Ideal Gas Laws
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Velocity Formula
Velocity = distance/time
Acceleration formula
Acceleration = change in velocity/time
Potential energy 1) define 2) formula 3) When it is gained
1) The energy of a body by virtue of it’s position above the ground 2) Potential energy = mass x acceleration (gravity) x height 3) as a parcel rises through atmosphere
Work for a parcel of air 1) Define 2) Formula
1) Done when air is compressed into a smaller volume or expanded to a large volume 2) work = force x distance
The Gas Laws Name them (6)
Boyle's law (P & V) Charles's law (V & T) Gay-Lussac's law (P & T) Avogadro's law (V & n) Ideal gas law (P,V,T & n) Dalton's Law
Boyle’s Law 1) Define 2) formula 3) When does it apply
1) Pressure & Volume are inversely related 2) P1 V1 = P2 V2 3) When temperature is constant & no change in amount of gas (n)
Charles’s Law 1) Define 2) Formula 3) When does it occur
1) Volume is directly proportional to temperature 2) V1 / T1 = V2 / T2 3) At constant pressure & number of molecules (n)
Gay-Lussac’s Law 1) Define 2) Formula 3) When does it applied
1) Pressure is directly proportional to temperature 2) P1 / T1 = P2 / V2 3) At constant volume & number of molecules
Avogadro’s Law 1) Formula 2) When it is applied
1) V1 / N1 = V2 / N2 2) Volume of a gas at constant temperature & pressure is proportional to the number of molecules/moles (n)
Ideal Gas Law 1) Formula 2) How to get P 3) How to get R 6) What denotes R
1) PV = nRT 2) P = nRT / V 3) PV / nT = R 4) Universal gas constant
Universal Gas Constant (R)
287.05 J kg-1 K-1
Dalton’s Law 1) Define 2) What is the partial pressure 3) Formula 4) When it is applied
1) Total pressure of a mixture of gases is the sum of the partial pressures of each gas 2) the pressure it would exert if it were the only gas present 3) Pt = (n1 + n2) RT / V 4) When the known of V & T of mixture & n, to find P