Wednesday, April 2nd, 2014

TODAY IN HONORS CHEM:

Mr. Lieberman was our sub

he didn't check in any homework

we went over the pre-lab

we did LeChatelier's Principle Lab

LAB DATA:

Test tube A: dark blue liquid, pure (transparent)

Test tube B with 1 drop of water: lighter blue

                                             B2: even lighter blue

                                             B3: EVEN lighter blue: bottom becomes light pink

                                             B4: more light pink but still some light blue

** test tube C-F have four drops of water too

Test tube C with 3 drops of HCl: even lighter blue, sky blue

Test tube D with 2 pellets of solid CaCl2: as you crush the pellets; light pink, lavender, light blue, transparent

Test tube E with 25 drops of Acetone: lighter blue, baby blue

Test tube F with 5 drops of AgNO3: thick, cloudy light pink

Test tube B in hot water bath for 2-3  minutes: dark bluish purple; turned into gas, climbed up the side of the test tube and when taken out of water, condenses and turn purple then lighter pink.

Test tube C in ice water bath for 5 minutes: turn lighter and lighter pink, very clear

HOMEWORK:

2 ICE Problem Worksheets Due TOMORROW

Post Lab:      Not a full write up

                     Type up questions and answers

                     Answer in complete sentences

                     Due TOMORROW

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