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9.2 Combustion-Matter, Energy, and Change

9.2 Combustion-Matter, Energy, and Change

Assessment

Presentation

Chemistry

9th Grade

Easy

Created by

Jessica Marasco

Used 8+ times

FREE Resource

13 Slides • 20 Questions

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3

Multiple Choice

The Ability to do work
1
Soil 
2
Energy 
3
Matter
4
Math

4

Multiple Choice

Energy stored in chemical bonds between atoms

1

Thermal Atomic Energy

2

Chemical Potential Energy

3

Electrical Atomic Energy

4
Electromagnetic Energy

5

Multiple Choice

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What kind of energy is in a moving skateboard?
1
Potential
2
Kinetic
3
Both potential and kinetic energy
4
none of the above

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Multiple Choice

A piece of candy has 200 Calories per serving. How many calories of heat will be released when it is broken down?

1

200 calories

2

200,000 calories

3

836,800 calories

4

836.8 calories

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9

Multiple Choice

Heat flows from _______ to _________.

1

warm to cool

2

cool to warm

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Multiple Choice

The law of Conservation of Energy states ..

1

Energy can created or destroyed but not transformed

2

Energy cannot be created or destroyed, it can only transformed

3

Energy can't be created, destroyed or transformed

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Multiple Choice

The measure of average kinetic energy of all the particles within an object is called ____________. 
1
temperature
2
conduction
3
radiation
4
heat 

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15

Multiple Choice

The specific heat of aluminum is 0.21 J/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
1
105 J
2
10.5 J
3
1.05 J
4
0.105 J

16

Multiple Choice

A high specific heat means...
1
It requires less energy to change temperature
2
It requires more energy to change temperature
3
It heats up very quickly

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Multiple Choice

In an endothermic reaction the system is releasing energy.
1
True
2
False

20

Multiple Choice

For an endothermic reaction, the heat is on the ____ side.
1
reactant
2
product
3
either side

21

Multiple Choice

If a chemical reaction is EXOTHERMIC, the temperature would....
1
Stay the same
2
Increase
3
Decrease

22

Multiple Choice

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
1
one reaches a temperature of zero
2
they both have an equal temperature
3
one runs out of energy

23

Multiple Choice

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Which letter corresponds to the activation energy of the forward reaction?
1
A
2
B
3
C
4
D

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Multiple Choice

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What type of system is shown in the picture?

1

open

2

close

3

isolated

26

Multiple Choice

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What type of system is shown in the picture?

1

open

2

close

3

isolated

27

Multiple Choice

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What type of system is shown in the picture?

1

Open

2

Close

3

Isolated

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Multiple Choice

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What kind of energy conversion does a combustion reaction involve?
1
Kinetic to Potential Energy
2
Chemical Potential Energy to Kinetic or Thermal Energy
3
Potential Energy to Nuclear Energy
4
Mass to Energy

31

Multiple Choice

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Which of the following chemical reactions involve combustion?
1
A forest fire
2
Human digestion
3
A car using gasoline
4
All of the above

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33

Multiple Choice

Nuclear power plant uses ____ for fuel.

1

steel

2

coal

3

uranium

4

hydrogen

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