Chem 103- Prefixes, Conversion and sig figs

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list the prefixes (and their symbols) in increasing size

pico (p), angstrom (Å), nano (n), micro (µ), milli (m), centi (c), kilo (k), mega (M)

how many cubic meters are in 6.25 E 5 cubic centimeters?

0.625 m^3

what is the volume of 3.25 cg of mercury (density= 13/56 g/cm^3)?

2.40E-3 cm^3

1ml= __cm^3

1 cm^3

List the four rules for significant figures

1. all nonzeros are significant 2. zeroes between nonzeroes are significant 3. leading zeroes are not significant 4. trailing zeroes are significant with a decimal point (not significant w/o)

1 m= ___ angstrom

10^10 Å

1m= ___ picometers

10^12 pm

1m= ___centimeters

10^2 cm

___m= 1km

10^3 m

1m=___ milimeters

10^3 mm

___m= 1Mm

10^6 m

1m=___ micrometers

10^6 µm

1m= ___nanometers

10^9 nm

convert 56.32 µm into nanometers

56320 nm

what is the mass in grams of a 150lb person (1kg=2.2lbs)?

68,000 grams

SAE I0W=40 engine oil has a density of 0.857g/mL. What is the density in kg/m^3?

857 kg/m^3

rule for significant figures in addition and subtraction

number of decimal places in the result will be the same as the measurement with the fewest decimal places

rule for significant figures in multiplication and division

number of sig figs in the result will be the same as the measurement with the fewest sig figs


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