Significant Figures/Sci not
How many sig fig are in 0.0033?
2
True or False
Precision can be averaged
False
Accuracy can
Name something that is NOT matter.
Energy, fire
Which state of matter has a definite volume but no definite shape?
Liquid
6100 cg to ______g
61
Round 8.999088 to two sig figs
9.0
Which removes the most energy?
Boiling, Vaporization, Melting, or Condensing
Condensing
Milk souring
Chemical or physical
Chemical
Which state of matter has the least energy?
solid
150/20.4
7.4
True or False
2.00 E-4 has only 3 sig figs
true
What are two ways to keep safe in the lab?
Variety of answers
True or False
Solids are made up of particles that are in motion
True
Sublimation
What is associated with nano?
-9
How would you change 0.000094 into scientific notation?
9.4 E-5
Variety of answers
Extensive or intensive
Melting point of oil
intensive
Which phase has the lowest density?
gas
How many hours are in 7.5 years?
65700 hrs
Expand 8.21 E3
8210
Which has a higher density: pebble of limestone or boulder of limestone?
neither both the same density
Classify the matter
SAND
remove (leave system)
233.9901 - 18
216