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Chemistry : Density

ACS Chapter 3

TermDefinition
Density property of an object that causes an object to feel heavy for its size
Density amount of matter in an object
Density depends on mass and volume
mass measured in grams
volume measured in cm cubed, or mL
Volume mass x length x width
Density formula mass/volume
number of atoms or molecules that make up a substance Density
A substance with a greater density will always have a greater mass
Mass amount of matter in an object
Weight measure of the force of gravity pulling down on the object
3 properties which effect density size, mass and arrangement of molecules of a substance
Water displacement use of water increase to determine the amount of volume of irregular shaped objects.
A density >1g/mL sink
A density <1 g/mL float
Water's density 1.0 g/mL
An increase in temperature changes an objects density by because particles are moving faster, therefore taking up a greater volume. Which indicates a decrease in density of the object.
A decrease in temperature changes an objects density by particles moving slower, therefore decreasing the volume. Which indicates an increase in density of the object.
Created by: SMMCS-SCI