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Cheat Sheet 2

# Cheat Sheet 2 - Boyle's law PV=k K= a constant at a...

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Boyle’s law – PV=k, K= a constant at a specific temp. for given sample of air V=k/P aka y=mx+b, where y=V, x=1/P, m=k, b=0 at constant T and n Ideal gases obey Boyle’s law To predict the new volume of a gas when pressure is changed(at a constant temp.) or vise versa Charles law - temp.(K)=0 C+273 , V=bT where T=the temp in Kelvins, and b=a proportionality constant At constant P and n Avogadro’s law - V=an, where V=volume of the gas, n= number of moles, a=a proportionality constant For a gas at constant temp. and pressure the volume is directly proportional to the number of moles of gas. Obeyed closely obey gasses at low pressures. Ideal Gas law - PV=nRT an equation of state for a gas Used to calculate changes that will occur when the conditions of a gas are changed Since n and T remain constant P 1 V 1 =nRT and P 2 V 2 =nRT cobining equations P 1 V 1 =P 2 V 2 P 2 =V 1 /V 2 Since V and T change and n, P, R remain constant V 1 /T 1 =nR/P and V 2 /T 2 =nR/P combinging equations V 1 /T 1 =V 2 /T 2 V 2 =T 2 V 1 /T 1 Gas stoichiometry - V=nRT/P (mol)(L atm K -1 mol -1 )(273.2K)/1 atm=L Volume in liters is molar volume of an ideal gas STP= conditions at 0 C and 1 atm

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Cheat Sheet 2 - Boyle's law PV=k K= a constant at a...

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