Flashcards in Chapter 3 And 10 Deck (18):
Convert and form scientific notations.
Followed by 10 raised to a power
Accuracy vs. precision
Accuracy- how close a measurement comes to the true vale.
Precision- how close a series of measurements are to each other
Determine the correct # of sig. Figs. In a measurement
All know digits and the last one that is estimated.
Decimal present (Pacific) start on left side
Decimal absent (Atlantic) start on the right side
Use the rules for calculating sig figs
Atlantic (right) no decimal
Identify common SI units
Kilo- 1000 (more)
Convert between Celsius and kelvin
K to c = c+237
C to k = k-273
Complete simple metric conversions
Convert numbers of moles to numbers of particles
Take number of moles X 6.02X10^23
Find molar mass of an elephant
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)
Covert mass to mole
Experimental -accepted. X100%
Decimal sig fig
1. Start on left, start counting at non-zero number
Go to the end
Non decimal sig fig
Start on right, non zero number, count until the end
Density of water
4 C is 1g/mL