Vocab
Anything that has mass and takes up space
Matter
Carbon (C)
Element
Color
physical property
Convert 39 degrees Celsius to Kelvin.
312 K
Write the following number in scientific notation:
82,100
8.21 x 104
Refers to how close a series of measurements are to each other
Precision
Substance made up of two or more different elements that are combined chemically in a fixed ratio
Compound
Sodium hydroxide (NaOH)
Compound
chemical property
What is the density of an unknown metal that has a mass of 13.5 g and a volume of 5.1 mL?
2.6 g/mL
How many significant figures does the following value have?
508
3
Branch of chemistry that analyzes matter and processes of living organisms
Biochemistry
A type of matter that is a combination of two or more pure substances and does not maintain a uniform composition
Heterogeneous Mixture
Human Blood
Heterogeneous Mixture
Ice cream melts
physical change
percent error = ( |error| / accepted value ) x 100
How many significant figures does the following value have?
0.0450870
6
SI unit used for temperature
Kelvin
Gaseous state that is a solid or liquid at room temperature
Vapor
Homogeneous Mixture
Baking chocolate chip cookies
chemical change
Calculate the following and round your answer to the correct number of significant figures:
258.3 - 106.17 = ?
152.1
13.27 L is how many kL?
0.01327 kL
Law that states that mass can neither be created nor destroyed
Law of Conservation of Mass
A type of physical property that is dependent on the amount of substance present
Extensive Property
Ozone (O3)
Element
Dry ice (solid CO2) sublimes into gaseous CO2
physical change
Calculate the following and round your answer to the correct number of significant figures:
120 x 0.10 = ?
12
34.7 cm is how many mm?
347 mm
Method used to separate a mixture of two or more liquids
Distillation or Chromatography