Studied by 18 peopleQualitative
does not involve number
quantitative
involves numbers
accuracy
measure value vs. true value
precision
closeness of repeated measurements
significant figures
precision of a measured number
absolute uncertainty
uncertainty of last digit of measurement
relative uncertainty
absolute uncertainty divided by number itself
independent variable
determined by experimenter
dependent variable
measured property of the independent variable
“TD” glassware
“to deliver”, most accurate for pouring
“TC” glassware
“to contain”, should not be used for pouring, only holding
stockpot
part of buret that controls flow of water
pycnometer
determines liquid density
specific heat equation
q = (mass)(specific heat)(temperature change)
bumping
sudden, violent burst of boiling
volumetric flask
used for obtaining specific volume of molar concentration
pneumatic troughs
collect gasses formed in a reaction
filtration
used to collect larger solids from a liquid
centrifugation
used to collect small solids from a liquid
supernatant
clear liquid from a centrifuge
distillation
separates liquids with two different boiling points
pH meter or pH paper
used to find specific pH
litmus paper
determines if solution is acidic or basic
spectrophotometer
measures amount of light that a colored solution absorbs
beer’s law
A = abc
Note 
Flashcard (20)