The substance that is dissolved
What is a solute?
This type of change does not form a new substance
What is a physical change?
The 4th type of matter (found at very high temperatures)
What is plasma?
mixture of 2 or more metals
alloys
Sodium and chlorine combine to form:
table salt
The substance that dissolves another substance
What is a solvent?
A box of cotton candy and a box of licorice. Which box is more dense?
licorice
The number of atoms in 1 molecule of water
3 atoms
One cubic centimeter is equal to one
milliliter
Ways to separate mixtures
by appearance
by size
by shaking
by density
The amount of solute that is dissolved in the solvent
What is the concentration?
Calculating the volume of a solid
Length x width x height
Trail mix is a:
Mixture
mass divided by volume
What is density
Air is a mixture or solution?
Solution
Mass measures the amount of matter. Weight measures the amount of:
Force of gravity exerts on the matter
The standard unit of metric measurement for volume
the liter or the milliliter
the cubic centimeter
Ways to speed up dissolving:
Increase surface area of the solute
stir the solution
Increase the temperature
Water freezes and melts at
0 degrees C
32 degrees F
Soda is a mixture or solution?
solution
When a substance changes from liquid to gas at a temperature below its boiling point
What is evaporation?
The metric unit of mass
the gram and the kilogram
This is the most common solvent on the earth, the universal solvent.
What is water
Water boils and condenses at
100 degrees C
212 degress F
When there is less than a normal amount of solute in the solvent
What is diluted?