Wednesday, February 13, 2013

Thurs., Feb. 14, 2013

Objectives:  Use stoichiometry to  determine 
the water of hydration in a crystal
Announcements: Final write-ups due tomorrow
Warm-up: Checking labs
Homework:  Finalize your double lab report

Wed. Feb. 13, 2013

Objectives:  Use stoichiometry to  determine 
the water of hydration in a crystal
Announcements: Final write-ups due Fri.
Warm-up: Let see first draft of an abstract
Homework:  Type up your completed double lab

Wednesday, February 6, 2013

Tues., Feb. 12, 2013

Objectives:  Use stoichiometry to  determine 
the water of hydration in a crystal
Announcements: Final write-ups due Fri.
Warm-up: Let see first draft of an abstract
Homework:  Type up 2nd draft for tomorrow

Mon., Feb. 11, 2013

Objectives:  Use stoichiometry to  determine 
the water of hydration in a crystal
Announcements: Final write-ups due Fri.
Warm-up: Let's see your rough drafts
Writing an abstract
Some samples
Homework:   
  • Show me one of your abstracts tomorrow 
  • Type up 2nd draft, due Wed.


Fri., Feb. 8, 2013

Objectives:  Use stoichiometry to experimentally  determine the water of hydration in a crystal
Announcements: These labs will come in together
Rough draft is due on Monday.

Warm-up: Let's see your labs so far
Hydrates Lab (Part 2) -
Work to determine the formula 
Homework: Get these labs typed up 
We will look at abstracts on Monday.

Thurs., Feb. 7, 2013

Objectives:  Use stoichiometry to experimentally
determine the water of hydration in a crystal
Announcements: These labs will come in together
Rough draft is due on Monday.

Warm-up:  Show me your procedure||Goggles on!

Hydrates Lab (Part 2) -
Clean & mass a crucible & cover
Determine the formula for a hydrate:

MgSO4 · XH2O
Mass out 4-5 grams into your crucible
Record the mass and heat & mass again
Homework: Hydrates Lab (Part 1) -
Write purpose, procedure, data table and calculations (annotated) - rough draft
(Show me this part tomorrow) 

Tuesday, February 5, 2013

Wed., Feb. 6, 2013

Objectives:  Use stoichiometry to predict how much product will be produced in the dehydration of a crystal.
Announcements: Homework due now

Warm-up: You will write full formal write-ups including abstracts for this dual lab
Hydrates Lab (Part 1) -
Calculate percent Error
Write purpose, procedure, data table and calculations (annotated) - rough draft
Hydrates Lab (Part 2) -
Determine the formula for a hydrate.


MgSO4 · XH2O
Determine a methodology and write
a procedure 

Homework: Procedure