Name: ______Period: ______Date: ______
Physical vs. Chemical Properties
I. Reviewing matter:
Matter: anything that has ______and takes up ______
–Mass – the amount of matter in something
–Volume – the amount of space something occupies
Is it Matter? / Yes / NoA car?
A box?
You?
Heat?
II. Property: a characteristic of a ______that can be ______.
III. Physical property: a property that can be observed ______changing
the ______of the substance.
Examples: luster (the ______of a substance), ______(the ability to be hammered into a ______), ______(the ability to stretch into a ______) melting point, ______point, density, solubility (the ability for one substance to ______into another) and specific heat.
IV. Special properties:
Melting point: temperature at which a substance changes from a solid to a ______at a given
H2O = ______
Boiling point: temperature at which a substance changes from a ______to a ______at a given pressure.
H2O = ______.
V. Density: the amount of ______per unit of ______.
•Density can be used to identify a substance.
•Water’s density is ______.
VI. CalculationsD = m/V = g/mL = g/cm3
- Examples: A cube has a mass if 2.8g and occupies a volume of 3.67mL. Would this object float or sink in water?
- This object would ______in water because its density is ______than water whose density is ______.
VII. More Density Calculations
A liquid has a mass of 25.6 g and a volume of 31.6 mL.
What is the identity of the liquid? ______
*Use the information in the chart for reference.
Substance
/ Density (g/mL)Mercury / 13.6
Water / 1.0
Ethanol / 0.81
VIII. Chemical property: a property that can be only be observed by ______
the ______of the substance.
Examples: flammability, ability to rust, reactivity with vinegar
Physical vs. Chemical Changes
- Physical Change
Physical change: a change that occurs that______change the ______of the substance.
Examples: Melting ice ______
Tearing paper ______
- Chemical Change
Chemical change: a change that occurs that ______the ______of the substance to change.
Examples:burning, ______,
Reacting with other substances
A chemical change is also called a ______
- Indicators of a Chemical Change
- Creation of ______
- Creation of ______
- Creation of ______
- ______or ______change
- Formation of a ______which is ______
______
- Is It Physical or Chemical?
Change / Physical / Chemical
Melting cheese
Burning coal
Milk souring
Wadding up paper
Bicycle rusting
Chemical vs. Physical Properties
Property Description / Chemical / PhysicalCan react with vinegar
Density
Can react with the oxygen in the air
Luster (shininess)
The ability to freeze
Can react with an acid
Combustible
The ability to melt
The ability to digest food
The ability to sublime (solid gas)
Malleability
Ductility
The ability to react with water
The ability to neutralize stomach acid
Color
Magnetism
Odor
The ability to rust
The ability to evaporate
Chemical vs. Physical Changes
Property Description / Chemical / PhysicalWood burning
Reacting with vinegar to form CO2 and H2O
Butter melting
Dry ice subliming(sg)
Hydrogen and oxygen reacting to form water
Ice cream freezing
Tearing paper
Salt dissolving in water
Water boiling
Pancake cooking on a griddle
Grass growing
Water condensing
An egg frying
Water evaporating
A cake baking
A soda going flat