Experiment 0: Intro to computers, LoggerPro, and LabPro Flashcards
Do not turn hot plate past…
3
Alcohol Procedure
1) Dip probe in alcohol.
2) Remove.
3) Record Data.
Temperature vs. time for evaporating alcohol?
Level, dups like a “u”, levels at same temp as begnining
Y intercept of flat portion represents (alcohol)…
The room temperature
Freezing point of lauric acid procedure?
1) Melt in water bath.
2) Submerge probe and stir constantly
3) Place test tube in cold water and then ice baths.
Temperature vs time for freezing point of lauric acid?
(1,5), (2,7), (3,3), (4,4),flat…., straight line down m=-xish.
Y intercept of flat portion represents (acid)…
Melting point of lauric acid
Melting and freezing point are the…
SAME
Temp dip before freezing point is called…
Supercooling
Questions on side of PDF
g
What’s used as a sweeping compound for all spills?
Sodium bicarbonate