Tuesday, May 1, 2012

Final Post :) due 05/07/2012 at 10:00 am

Compare and contrast Arrehnius, Bronsted Lowry, and Lewis acids and bases to each other. Focus on the definitions for each. A chart may help.

Thursday, March 1, 2012

Ideal gas Law question due 03/04/12 @10:00 pm

Describe the contributions of Guy-Lussac, Charles, Avogadro, and Boyle to the ideal gas law. Also, explain the significance of Graham's Law.

Tuesday, November 29, 2011

Blog 12 due 12/04 at 10:00 pm

Ammonia reacts with oxygen gas to produce nitrogen monoxide and water.
a. Write a blalnced equation for this reaction.
b. If 25 grams of ammonia is placed in a chamber with excess oxygen, how much nitrogen monoxide will be produced?

Friday, October 28, 2011

Blog 11 due 10/31 10:00 am

Write the oxidation number for each element in the following substances:

LiBF4

CaCO3

H3O+

CuSO4

Tuesday, October 18, 2011

Blog 10 Due Monday Oct 24 10:00 pm

Determine the electronegativity difference, probable bond type, and then arrange them in order from  least to greatest bond/lattice energy.

a. H and I
b. S and O
c. K and Br
d. C and H

Tuesday, September 27, 2011

Blog 7 due 10/03/2011 at 10:00am

Which of the following does NOT have noble gas configuration:
Na+, Rb+, O2-, Br-, Ca+, AL3+, S2-

Monday, September 19, 2011

Blog 6 due mon 9/26

What is the wavelength of a wave with an energy of 1,000,000 Joules and a frequency of 0.00025 Js? Is it in the visible spectrum?Hint: use the speed of light and energy equations combined.