Elements, Compounds & Mixtures
When two or more substances are physically combined, the result is....
mixture
Find Mass.
D= 10 g/ml
V= 5 ml
M=50 g
Physical or Chemical Property?
The color of ink
Physical Property
Physical or Chemical?
Boiling water
Physical
CaCO3 is an example of which type of matter?
a compound
Mrs. James blends lemon juice, sugar and water in a pitcher. What type of mixture has she made?
A Homogeneous mixture
Find Density
M= 100g
V= 25 ml
D=4 g/ml
This term describes the amount of mass in a given volume of a substance.
Density
Physical or Chemical?
Blowing up a Balloon
Physical change
What does the Law of Conservation of Mass state?
Mass is not lost or created during a chemical change.
Hydrogen, gold and iron are all examples of...
elements
Find Volume
D= 3 g/cm^3
M= 33g
V= 11cm^3
Does honey or water have the most viscosity?
Honey
Identify TWO chemical changes from the list below:
Ice Melting, Paper Burning, Salt Dissolving in Water, Iron Rusting
Paper Burning & Iron Rusting
This type of change does not create a new substance but may alter the state, shape or size of a material.
physical change
What is a type of matter formed by chemically joining two or more elements called?
a compound
If oil has a lighter density then water, what happens when you put oil and water in a glass together?
The oil will float on top of the water
Which TWO of the following are physical properties?
Boiling point, flammability, density, reactivity with acid
Boiling Point, Density
Forming a precipitate is an example of what type of change?
Chemical
A piece of metal raises the water level in a graduated cylinder by 12.7mL. If the metal has a mass of 16.25g, what is its density?
1.28 g/mL^3
What is another name for a homogeneous mixture where a solute is dissolved in a solvent?
Solution
Using the information below, which metal has a volume of 1.73cm^3 and a mass of 18.15g?
Metal Density
Copper 8.94 g/cm^3
Silver 10.5 g/cm^3
Zinc 7.14 g/cm^3
Silver
Which TWO of the following are chemical properties?
Rusting, Melting Point, Conductivity, Ability to burn
Rusting and Ability to burn
Physical or Chemical Change?
Rusting of a fishing pole
Chemical
Does water or syrup have the least viscosity?
Water