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Dr. Miriam Douglass
Dr. Martin McClinton
Learners examine the method used to calculate the mass percent of an element in a compound. Three examples and one problem illustrate the method.
Standard Molar Volume
By Dr. Miriam Douglass
Learners observe that the volume of one mole of any gas is 22.4 L at standard temperature and pressure. An illustration shows that only the mass of the molar volume differs with the identity of the gas.
Measuring Gas Pressure
By Dr. Miriam Douglass, Dr. Martin McClinton
Learners convert units used to designate pressure. Units for pressure are atm, mm Hg, torr, and pascal.
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners read the definition of atomic weight and obtain the weights of elements by viewing the Periodic Table and charts that list atomic weights by name or symbol.
By Jill Larson
In this animated object, students are introduced to moles as a measurement.
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