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17 questions
This substance can be separated by physical means
Mixtures
Pure Substances
Elements
Compounds
This substance can be separated by chemical means only
Homogenous mixtures
Heterogeneous misxtures
Elements
Compounds
The composition of this substance is uniform throughout
Homogenous mixtures
Heterogeneous misxtures
Elements
Compounds
How does the amount of energy change in the substance in the phase change from a solid to a liquid?
energy is not affected
increases the amount of energy
decreases energy the amount of energy
amount of energy cannot be determined
How does the amount of energy change in the substance in the phase change from gas to a liquid?
energy is not affected
increases the amount of energy
decreases energy the amount of energy
amount of energy cannot be determined
How does the amount of energy change in the substance in the phase change from a solid to a gas
energy is not affected
increases the amount of energy
decreases energy the amount of energy
amount of energy cannot be determined
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Gold (Au) and Oxygen (O2)
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Water (H2O), Table Salt (NaCl)
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Gravel and Dirt
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Maple Syrup and Seawater
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
What are the two factors that affect the phase of a substance.
pressure and sunlight
pressure and temperature
sunlight and temperature
cannot be determined from the diagram
What letter identifies the LIQUID PHASE in the diagram
A
B
C
D
E
What letter identifies the TRIPLE POINT in the diagram
A
B
C
D
E
Identify the following changes as chemical or physical
Boiling Water
Chemical
Physical
Cannot be determined
Identify the following changes as chemical or physical
Burning Paper
Chemical
Physical
Cannot be determined
What is the normal boiling point (at 1.50 atm) of this substance?
500 oC
800 oC
100 oC
Cannot be determined
What is the normal freezing point (at 1.5.00 atm) of this substance?
-100 oC
350 oC
110 oC
Cannot be determined
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