# Chem Ch.5 Gases

 What is the equation to find the number of moles of a gas? Mass divided by Molar Mass (m/MM) How do you find the temperature in Kelvin from degrees Celsius ○C+273.15=○K What is the mercury unit of pressure? Meter of Mercury (mm Hg) What is a bar equal to in pascals? 105Pa What does atm stand for? atmosphere What is Standard Pressure and Temperature? 0○C and 1atm What is the equation for the Ideal Gas Law? PV=nRT What is the volume of a mole of any gas at STP? 22.4L What is the value of "R" in Ideal Gas Law? 0.0821 What is the unit for "R" in Ideal Gas Law? (L*atm)/(mol*K) What is the equation for finding density of a gas? (m/V)=MM(P/RT) What are the full conversion factors of pressure? 1.013bar =1atm = 760 torr = 760mm Hg = 14.7psi = 105 Pa What is the equation for finding the height of mercuric pressure for a substance with a differing density than the original? Daha=Dbhb What is the equation for total pressure exerted when two species co-exist? Ptot = [(na+nb) RT]/VorPtot = Pa + Pb How do you calculate partial pressure when total pressure and composition of mixture are known? Pa = (na/ntot)*Ptot Authorballinbc14 ID43277 Card SetChem Ch.5 Gases Descriptionchemistry chapter 5 gases and their laws Updated2010-10-22T18:27:11Z Show Answers