SI Units
What is the SI unit of length?
meter (m)
Convert 100 cm to meters.
1 m
What is the conversion factor for converting grams to kg?
1 g = 10-3 kg
What is the formula for calculating density?
density = mass/volume
What is the only type of measurement that is not subject to uncertainty?
Counting
What is the SI unit of mass?
kilogram (kg)
Convert 2.5 kg to grams.
2500 g
What is the conversion factor for converting mL to L?
1 mL = 10-3 L
What is the density of a solid with a mass of 7.35 g and a volume of 15.0 cm³?
0.49 g/cm3
There are 12 muffins in a muffin pan. Is this an exact or uncertain measurement?
exact
What is the SI unit of temperature?
Kelvin (K)
Convert 5 liters to milliliters.
What is the conversion factor for converting liters to microliters?
1 microliter = 10-6 L
What is the formula for calculating mass if you know the density and volume of an object?
mass = density x volume
There are 500 mL in a bottle of water. Is this an exact or uncertain measurement?
uncertain
What is the SI unit of volume?
Convert 3 miles to kilometers (1 mi = 1609 m).
4.83 km
What is the conversion factor for converting meters to nm?
1 nm = 10-9 m
What is the mass of a piece of gold (density = 19.3 g/cm³) that has a volume of 50.0 cm³?
965 g
An electronic mass balance tells you that a solid has a mass of 123.40 g. Which digit, if any, is uncertain?
0 (the last digit)
What is the SI unit of density?
kg/m3
Convert 200 m to nm.
2 x 1011 nm
What is the conversion factor for converting seconds to femtoseconds?
1 fs = 10-15 s
What is the formula for calculating volume if you know the mass and density of an object?
volume = mass/density
Which is better for making precise volume measurements: a beaker or a graduated cylinder? Explain your answer.