Name: _ Date: _
1. In cubic closest-packed solids, what percentage of space is occupied by the spheres?
2. Elemental magnesium crystallizes in a face-centered cubic lattice. The density of
magnesium is 1.738 g/cm3. The unit cell length is 4.80 102 pm. Wha
1. ( 15 Points) A 10 liter container at STP contains both O 2 and N 2 . Twenty- five percent of all
the atoms in the container are Oxygen. Using this information, please answer the following
a) What is the partial pressure of O
Chemistry 32L- 2nd Exam, April 13, 2011
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Name: _ Date: _2/21/2012_
(10 Points) Carbon dioxide gas (1.00 mole) at 373 K occupies 536 mL at 50.0
atmosphere pressure. What is the calculated value of the pressure using
(i) Ideal gas equation
(ii) Van der Waals equation?
[Van der Waals constants f