Flashcards in Chapter 3 And 10 Deck (18):
0
Convert and form scientific notations.
Coefficient (1-10)
Followed by 10 raised to a power
1
Accuracy vs. precision
Accuracy- how close a measurement comes to the true vale.
Precision- how close a series of measurements are to each other
2
Determine the correct # of sig. Figs. In a measurement
All know digits and the last one that is estimated.
Rules
Decimal present (Pacific) start on left side
Decimal absent (Atlantic) start on the right side
3
Use the rules for calculating sig figs
Pacific (left)
Atlantic (right) no decimal
4
Identify common SI units
Mili- 1000
Kilo- 1000 (more)
Centi- 100
5
Convert between Celsius and kelvin
K to c = c+237
C to k = k-273
6
Calculate density
Mass
Volume
7
Complete simple metric conversions
Notes
8
Memorize mole
6.02X10^23
9
Convert numbers of moles to numbers of particles
Take number of moles X 6.02X10^23
10
Find molar mass of an elephant
They'll
11
Find molar mass of a compound
The mass of a mole of a substance found on the periodic table.
Always under element name. (Round to 4 sig figs)
12
Covert mass to mole
See notes
13
% error
Experimental -accepted. X100%
Accepted
14
Decimal sig fig
1. Start on left, start counting at non-zero number
Go to the end
15
Non decimal sig fig
Start on right, non zero number, count until the end
16
Density of water
4 C is 1g/mL
17