SI abbreviations
kg is the abbreviation for
Kilogram
76 mm is equal to _ meters
0.076 meters
last thing you do before you leave the lab (not the classroom)
wash your hands
how many sig figs in 400007
6
precise? 31.2, 30.8, 22.8
no
SI unit for length
meter
0.64 km = ___ cm
64,000 cm
A graduated cylinder is marked every 1 mL, data are recorded to...
0.1 mL
How many sig figs should your answer have
6.0000 x 12345678
5
A student records the mass as 1.25g, 1.26 g. 1.22 g but the mass is actually 4.78 g. What likely happened?
forgot to tare the balance
SI unit for temperature
Kelvin
45.07 g = ___ kg
0.04507 kg
The pictogram shows a flame with over a circle, this means...
oxidizer
198/0.0200
9.90 x 10 3
Density 1.39 g/mL, mass 120.0 g, what is the volume
86.3 mL
d is the symbol for this prefix
deci
3.75 ms =____ cs
0.375 cs
when diluting acid...
add the acid to the water
1847 + 0.001
1847
an irregular object is placed in a graduated cylinder containing 14.50 mL of water. The water level rises to 19.25 mL. Calculate the density given that the mass is 26.39 g
5.56 g/mL
k is the symbol for this prefix
kilo
234 dg = ___ kg
.0234 kg
Amount of a substance required to kill half of the test population
(50 x 12.9)/68.10000
9
What is the percent Error? Is it accurate, how do you know (be specific)
experimental : 22.5g theoretical: 26.5g
15.1 % Error, no