Blog 12 due 12/04 at 10:00 pm

Using molecular orbital theory and hybridization theory, predict the following for Li2:

a. magnetism: para vs dia
b. Bond Order and existence of the species
c. hybridization
d. molecular geometry
e. number of sigma and pi bonds

Blog 11 due 11/01/2011 @ 10:00 am

Give the maximum number of electrons in an atom that contains these quantum numbers:

a. n=3, l-2
b. n=5, m= +1/2

Blog 10 Due Monday Oct 24 10:00 pm

Ethanol, C2H5OH, has been proposed an an alternate fuel source. Calculate the standard of enthalpy of combustion per gram of liquid ethanol.

Blog 7 Due October 3, 2011

Suppose two 200 L tanks were filled separately with helium and hydrogen gas. What mass of each gas is needed to produce a pressure of 135 atm in its respective tank at 24 degrees Celsius?

AP Chem blog 6 due mon 9/26 at 9:00 am

Perform the following serial dilutions:

1.75 L of 0.33 M hydrochloric acid from a stock solution of 10 M hydrochloric acid

250 mL of .01 M acetic acid from a solution of 1.5 M acetic acid solution.

Use dimensional analysis to solve!

Blog 5 AP Chem

Explain how to prepare a 2.0L solution of each of the following solutions:
a. 0.25 M NaOH from 1.0 M stock NaOH solution
b. 0.100 M K2CrO4 from 1.75 M K2CrO4

AP Chem blog 3

Calculate the mass percent of each element in glucose (C6H12O6).

AP Chemistry Post 2

Distinguish between the following:
a. molecule vs ion
b. covalent vs ionic bond
c. molecule vs compound
d. anion vs cation

AP Chemistry Unit 1

Hello,
Welcome to AP Chem. This will be a rigorous but rewarding student driven course. We look forward to a promising year! What will you score on the AP Chem exam and why?