Terms
A measure of the gravitational pull on an object; changes with location
What is weight?
What is the density of a sample that has a mass of 4.00 g and a volume of 2.0 cm3?
What is 2.0 g/cm3?
Which is larger: microliters or milliliters?
milliliters
How many sig figs are in 0.003510 L
4
What is the SI unit of mass?
kg
The closeness of a set of measurements to each other
What is precision?
The mass of a 50.0 mL sample that has a density of 5.00 g/mL
What is 250. g?
What is smaller: nanometers or micrometers?
nanometers
Write 0.00005710 m in scientific notation.
5.710 x 10-5 m
What is the SI unit of temperature?
kelvin
The closeness of a measurement to its accepted value
What is accuracy?
The volume of a 75 g of a substance that has a density of 3.0 g/cm3.
What is 25 cm3?
How many milliliters are in 5 liters?
5000 mL
When multiplying 0.349 m and 1.245 m, how many sig figs should be in your answer?
3
How do you change a temperature from Celsius to Kelvin?
Add 273 to the Celsius temperature.
Numbers in a measurement that are known with certainty plus one digit that is estimated
What are significant figures?
An increase in temperature causes the volume of a substance to do this.
What is increase?
How many grams are in 7500 micrograms?
0.0075 grams
Write 153000 in scientific notation.
1.53 x 105
Which temperature scale has no negative temperatures?
Kelvin
Calculated by taking the mass of a sample divided by its volume
What is density?
When a substance is heated, the density of a substance does this.
What is decrease?
How many kilograms are in 56000 milligrams?
0.056 kg
3.8 g
What is a commonly used unit of volume that is NOT an SI unit?
liter