Which of the following is NOT a chemical property?
Toxicity
Combustibility
Conductivity
Flammability
Classify the following matter: Salt Water
Compound
Homogeneous Mixture
Heterogeneous Mixture
Element
All of the following are signs that a chemical reactions took place, EXCEPT
Change in Color
Change in Temperature
Change in Odor
Change in State of Matter
List 3 Intensive Properties
Any 3 Intensive Properties will be accepted
Which of the following is NOT a physical property?
Luster
Melting Point
Freezing Point
Reactivity
What is the formula for calculating volume, given the density and mass?
v = m/d
Describe the difference between Intensive and Extensive Properties
Intensive properties depend on the type of matter in a sample, while Extensive properties depend on the amount of matter in the sample
Classify the following matter: Aluminum
Element
Heterogeneous Mixture
Homogeneous Mixture
Compound
Describe how you would measure the volume of an irregular object.
Describe the process of water displacement
Baking Soda
Mixture
Pure Substance
Classify the following matter: Chocolate Chip Cookies
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Classify the following matter: Salad Dressing
Compound
Element
Heterogeneous Mixture
Homogeneous Mixture
What is the difference between a pure substance and a mixture?
A mixture can be separated by physical means while a pure substance cannot.
Water
Mixture
Pure Substance
Mixtures involving a solute and solvent are special homogeneous mixtures called
Solutions
A substance has a density of 1.25 g/mL and a volume of 34 mL, what is its mass?
43 g
Describe how you would measure the volume of a regular object, for example, a box.
L x W x H
Describe density.
Density is described as the amount of matter (mass) in a certain volume
Describe the difference between a Physical and Chemical CHANGE
A physical change is a change in matter that does NOT alter the chemical composition of the substance, while a chemical change results in a NEW substance
Classify the following matter: Sugar
Compound
Heterogeneous Mixture
Homogeneous Mixture
Eelement
Steel
Pure Substance
Mixture
Concrete
Pure Substance
Mixture
Describe the difference between a homogeneous mixture and a heterogenous mixture.
A homogeneous mixture is uniform throughout, while a heterogeneous mixture is different throughtout
If you heat up a substance, such as a gas, its volume will increase, what will happen to the density?
The density of the substance would decrease.
Describe the difference between an element and a compound.
An element is matter that can not be chemically separated any more, a compound is two or more elements bonded together
State the Law of Conservation of Matter
Matter can neither be created nor destroyed, only transformed
A substance has a volume of 224 mL and a mass of 10.15 g, what is the substance's density?
.045 g/mL
A substance has a mass of 25.0 g and a volume of 32.25 mL, what is the substance's density?
.775 g/mL
Mixture of metals are special homogeneous mixtures called
Alloys
Soil
Mixture
Pure Substance
Which of the following is NOT a chemical change?
Boiling
Combusting
Rusting
Baking
Classify the following matter: Air
Compound
Element
Homogeneous Mixture
Heterogeneous Mixture
Air
Mixture
Pure Substance
List 3 Extensive Properties
Mass, Volume, Energy
Describe the difference between a Physical and Chemical PROPERTY
A physical property can be observed WITHOUT altering the substance, while a chemical property is observed during a chemical reaction
A substance has a density of 1.50 g/mL and a mass of 76 g, what is its volume?
51 mL
If you cool down a substance, such as a gas, its volume will decrease, what will happen to the density?
The density of the substance will increase.
Oxygen
Mixture
Pure Substance
What is the formula for calculating density?
d = m/v
Salt
Pure Substance
Mixture
Classify the following matter: Brass
Compound
Homogeneous Mixture
Element
Heterogeneous Mixture
Classify the following matter: Coffee
Heterogeneous Mixtures
Homogeneous Mixtures
Compound
Element
All phase changes, such as boiling, condensing, melting, freezing, evaporating etc. are classified as
Physical Changes
Chemical Changes
If the matter can be physically separated it is classified as this
Mixture
What is the formula for mass, given the density and the volume?
m = d x v
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