Sunday, April 27, 2014

Questions For You!

AP CHEM

1.  Which compound contains the highest percentage of magnesium by mass?
(A)  MgNH4PO4
(B)  Mg(H2PO4)2
(C)  Mg2P4O7
(D)  Mg3(PO4)2

6. Which of the following is a weak electrolyte in aqueous solution?
(A) HF
(B) NaF
(C) HCl
(D) KCl

4. What is the molarity of sodium ions in a solution prepared by diluting 250. mL of 0.550 M Na2SO4 to 1.25 L?
(A) 0.110 M
(B) 0.138 M
(C) 0.220 M
(D) 0.275 M

Friday, April 4, 2014

And The 2014 Winners Are...

What happened to my room?



Each year the students make a molecular and brochure of their favorite molecule.  We then have a voting period over two days where current and former students as well as teachers vote on the models.  The votes are entered on a Google form accessed using any internet device.  Congratulations go out to all my students for producing these wonderful representations.

This years winners (by popular vote) are as follows...

First Place Period G and An Overall Winner
First Place Period C and An Overall Winner
In the dark

First Place Period B
First Place Period A
Other winners are as follows...
An Overall Winner Period G
Second Place (1) Period A 
Second Place (2) Period A
Second Place (1) Period B
Second Place (2) Period B
Second Place Period C

Second Place (1) Period G and An Overall Winner
Second Place (2) Period G
Second Place (3) Period G