write answers on sheet of paper – 13, 16, 17, 20 write answers for objective 5 on card! 26, 32, 34
TRANSCRIPT
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Write answers on sheet of paper – 13, 16, 17, 20
Write answers for Objective 5 on card!26, 32, 34
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Melting Point
Freezing Point
Solid
Liquid
Gas
Removing Heat (cooling)
Condensation Point
Boiling PointAdding Heat
Phase Change ChartPhase Change Chart
HeatHeat
Temperature Temperature ((ooC)C)
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100 100
200 200200
400 400
300300
400400
Choice1 Choice 2 Choice 3 Choice 4
300 300 300300
200
400400
200
100100
500 500 500500 500500
100
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Row 1, Col 1
H2
Indicates the number of atoms of the element in a chemical equation.
What is a subscript?
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1,2
22HThe number of moleculesin a chemical equation.
What is a coefficient?
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1,3
What state of matter is it that the molecules move very fast?
GASMolecules moving at great speed.
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1,4
CondensationWhen energy is lost from a liquid.
What process causes a gas to turn into a liquid?
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2,1
EndothermicWhen energy is absorbed in a
chemical reaction.
What chemical reaction absorbs energy?
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2,2
A chemical reaction that produces energy.
What is an exothermic reaction?
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2,3
Activation Energy
What do chemicals require to start a reaction?
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2,4
New substanceProduces Gas
Energy ChangeChange of stateColor change
What are the indicators for a chemical reaction?
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3,1
The reactant
In a chemical reaction, what does the products have to equal?
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3,2
Chemical Change
What type of change is it when both the physical and chemical properties are changed?
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3,3
Same substanceColorSmellShapeOdor
Density
What are some of the indicators in a physical property?
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3,4
What is a endothermic reaction?
Chemical Reaction
Activation energy
Reactants Products
Heat absorbed
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4,1
What is a exothermic reaction?
Activation energy
Reactants
Products
Heat released
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4,2
What phase change takes away energy?
Liquid
to a
Solid
Energy is lost
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4,3
What state or matter is electrically charged?
PlasmaPlasmaSuper charged particlesSuper charged particles
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4,4
3Na + 3AlCl 3NaCl +Al3
Is this a balanced chemical equation?
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5,1
2 Ag + O2 Ag2O
Is this an unbalanced chemical equation?
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5,2
RadiantElectrical ChemicalThermal
MechanicalNuclear
What are the different types of energy?
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5,3
Matter cannot be created or destroyed during a chemical or physical reaction.
What is the Law of Conversion of Mass?
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5,4
Which law states that energy can not be created or destroyed?
Law of Conservation of Energy