Identifying Matter Vocabulary
Density of water
1.0 g/cm^3
2 g/cm^3
A cube with a length of 2 cm has a mass of 16 g. What is the cubes density?
11.0 grams/cm^3
A rock has a mass of 77.0 grams. The volume is found using water displacement. The initial volume of water is 10.0 mL and the volume of the rock and water is 17.0 mL. Determine the rock's density.
Homogeneous
A solution that completely dissolves the solute
Solid
A state of matter that has a definite shape and a definite volume
Liquid
A state of matter that has no definite shape but has a definite volume.
Gas
A state of matter with no definite shape or volume
5.0 grams/cm^3
An object has a mass of 100.0 grams. The object's volume is 20.0 cubic centimeters. What is the object's density?
matter
Anything that has mass and takes up space, and can change, but not disappear.
d= m/v
Density Equation
final volume - initial volume
Equation for the volume of an irregular object
l x w x h
Equation for volume of a regular object
18.0 g
Find the density of a piece of gold that has a volume of 2cm^3. The mass of gold is 36.0 g.
A container of water is heated to 100 degrees Celsius. What will happen to the water?
It will boil, the molecules will move more quickly.
Boiling
Liquid to gas
Evaporation
Liquid to gas
6 g/cm3
M = 48g, V = 8cm3 D = ?
The solubility of sugar is 203.9 grams of sugar in 100 grams of water at 20°C. Which can occur if the sugar solution is heated to 25°C?
More added sugar can dissolve in the solution.
at the bottom
Most dense in water will be...
Volume
The amount of space an object takes up
40 cm^3
The object's dimensions are 10.0 cm x 2.0 cm x 2.0 cm. Calculate the object's volume.
Boiling Point
The temperature at which a liquid changes to a gas
Melting Point
The temperature at which a solid becomes a liquid
You have a Reeses with a mass of 10g and two Reeses with a mass of 20g. Which will melt faster?
They will melt at the same rate because they are the same substance.
D = 7g/cm3
V = 3 cm3 m =21g
7 mL
What is the total volume of an object that had an initial volume of 20 mL and a final volume of 27 mL?
15 mL
What is the total volume of an object that had an initial volume of 30 mL and a final volume of 45 mL?
Solute
a dissolved substance
irregular solid
a solid figure whose sides CANNOT be measured using a ruler
regular solid
a solid figure whose sides can be measured using a ruler
Solvent
able to dissolve other substances.
graduated cylinder
an item with a narrow cylindrical shape that is used to measure liquids, like a measuring cup
Why would butter take a shorter time to melt than wax?
because it has a lower melting point than wax
Which property of water is demonstrated when it changes from a liquid to a gas at 212°F?
boiling point of water
instructions
detailed information telling how something should be done, operated, or assembled
Condensation
gas to liquid
Freezing Point
liquid to solid
weight
measurement of the pull of gravity on an object
water displacement method
method for finding the volume of irregular objects using water and a graduated cylinder
water displacement
method used to determine volume of irregularly shaped objects
Density < 1.0 g/cm^3
object floats in water
Density > 1.0 g/cm^3
object sinks water
Melting
solid to liquid
Coffee crystals are dissolved in water to make a cup of instant coffee. Which best describes the chemical property that is being displayed in this situation?
solubility of the coffee crystals
Solubility
the ability to be dissolved, especially in water.
Density
the amount of mass per unit of volume
Mass
the amount of matter in an object
meniscus
the curved surface of a liquid in a graduated cylinder
mass
the measure of how much matter something contains
volume
the measure of the amount of space an object takes up
Which property is the same for a 50 mL sample of liquid water and a 100 mL sample of liquid water?
the two waters have the same boiling point
displace
to force to move or flee; to move out of position
triple beam balance
tool used to measure mass
mg, g, kg
units of measure used to find the mass of an object
mm3, cm3, m3
units of measure used to find the volume of a regular solid object
mL, L, kL
units of measure used to find the volume of liquid or an irregular solid
g/mL, g/cm3
units of measurement for density
