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Glossary of AP Chemistry Laboratory Stuff and Trivia

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Combining acids and water
add acid to water
rinse burette with?
titrant, not water
Weighing regeants
don't weigh directly on scale
When collecting gas over water, take into account
pressure and volume of water vapor
accuracy
close to accepted value
Precise
values of measurements are close together
Method of separation: filtration
porous paper separate solids from liquids
Method of separation: distillation
difference in boiling points of volatile liquids
Method of separation: chromatography
difference in degree to which they absorbed to surface
In nonpolar solvent, Br and I are what color?
dark brown
In a solution, MnO4-
purple
In solution, (2O7)2-
orange
Flame test: Cu
green
Flame test: Li
red
Flame test: Sr
red
Flame test: Na
yellow
Flame test: Ba
green
Flame test: K
violet pink
Color: (CrO4)2-
yellow
Color: Pbl2
yellow
HF to glass
etches
Used in air bags
NaN3
Added to Fe to prevent rusting
Zn
Color: Cl2
green
Color: Br2
orange-brown
Color: NO2
brown
Iodine sublimes into...?
purple vapor

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