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3.3 The Molar Volume. Pages 132- 141. MOLAR VOLUME. Gay Lussas and Amadeo Avogadro found out that equal volumes of different gases , measured at the same temperature and pressure have equal number of particles. Standard Temperature and Pressure (STP). Temperature: 273.15K or 0ºC
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3.3 The Molar Volume Pages 132- 141
MOLAR VOLUME Gay Lussas and Amadeo Avogadro found out that equal volumes of different gases , measured at the same temperature and pressure have equal number of particles
Standard Temperature and Pressure (STP) Temperature: 273.15K or0ºC Pressure: 101.3kPa or 1 atm
MOLAR VOLUME Volumeoccupied by one mole of the gas at STP
MOLAR VOLUME Volumeoccupied by one mole of anygas at STP Volumeoccupied by 6.02 x 1023 particles of anygas at STP
1 mol of any gas at STP has a volume of 22.4 L OR in other words, The volume of 1 mol of any gas at STP is 22.4 L
MOLAR VOLUME It only applies to: Gases Only at STP Volumeoccupied by one mole of anygas at STP
Two – step conversion: 2 • Volume of Ne tomol of Ne • Mol of Ne toNumber of atoms of Ne 1
Two – step conversion: • Volume of CH4 tomol of CH4 • Mol of CH4 tograms of CH4 1 2
What volume of CO2 at STP contains 0.20g of C? • Grams of Cto mol of C • Mol of Cto mol of CO2 • Mol of CO2to litres of CO2 CO2 C
MOLAR VOLUME and DENSITY Using units for molar volume and molar mass, Try to come up with a formula that relates them to density Density = amount of matter in a given volume
MOLAR VOLUME and DENSITY Using units for molar volume and molar mass, Try to come up with a formula that relates them to density Density = amount of matter in a given volume
Classwork/Homework 3.4 Review Problems (page 140 – 141): all even 3.4 QUIZ, Wednesday, April 16