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Matter and energy review

Total questions: 30

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
What line segment represents only the solid state?
a)
A-B
b)
B-C
c)
C-D
d)
D-E
2.
Which segment represents the heat of fusion?
a)
A-B
b)
B-C
c)
C-D
d)
D-E
3.
Which process takes the longest to occur?
a)
melting
b)
boiling
c)
freezing
d)
heating the solid
4.
What state(s) of matter are present at D-E?
a)
Solid-liquid
b)
Liquid
c)
Liquid-gas
d)
Gas-Solid
5.
Between which points is the temperature of the substance remaining constant?
a)
A-B only. 
b)
A-B, C-D, E-F
c)
B-C only. 
d)
B-C, D-E
6.
Between which points is the temperature of the substance increasing?
a)
A-B only. 
b)
A-B, C-D, E-F
c)
B-C only. 
d)
B-C, D-E
7.
Between which points is the substance changing state?
a)
A-B only. 
b)
A-B, C-D, E-F
c)
B-C only. 
d)
B-C, D-E
8.
This type of graph is called a:
a)
Phase diagram
b)
Heating curve
c)
State of matter
d)
Temperature chart
9.

Particles close together, that are touching and uniformed can be found in which state?

a)

Liquid

b)

Gas

c)

Solid

10.

Particles that are touching, but can flow over each other can be found in which state?

a)

Liquid

b)

Gas

c)

Solid

11.

Particles that are not touching and have lots of energy can be found in which state?

a)

Liquid

b)

Gas

c)

Solid

12.
The graph shows a cooling curve for an unknown substance.  What is happening during segment DE?
a)
boiling
b)
condensation
c)
freezing
d)
melting
13.
We measure ______ with Celsius or Fahrenheit degrees.
a)
Temperature
b)
Thermometer
c)
Barometer
14.
When a SOLID changes to a LIQUID, it
a)
Freezes
b)
Boils
c)
Melts
15.
A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C.  Calculate the specific heat capacity of iron.    
a)
0.46 J/gxoC
b)
1.654 J/gxoC
c)
2,567,446.875 J/gxoC
16.
 How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/gx°C?    
a)
297 Joules
b)
0.003 Joules
c)
297 J/gx°C
d)
0.003 J/gx°C
17.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
18.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
19.
Specific heat is....
a)
The measure of kinetic energy of an objects particles
b)
A measure of the energy needed to increase the average kinetic energy of the particles
c)
The heating caused by the motion of flluid due to temperature difference
d)
The transfer of energy by electromagnetic radiation
20.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
21.
20 g of water. specific heat of water is 4.18 J/x°C.  temperature changes from 25° C to 20° Chow much heat energy (Q) moves from the water to the surroundings?
a)
418 Joules
b)
209 J
c)
83 J
d)
4.18 J
22.
If 200 grams of water is to be heated from 24.0° C to  100.0° C to make a cup of tea, what is the mass and what is the change in temperature?
a)
m=200g
∆t= 66
b)
m=200g
∆t=124
c)
m=200
∆t=100
d)
m=200g
∆t=76
23.
Anything that takes up space and has mass is...
a)
Matter
b)
Work
c)
Power
d)
Newton's 1st Law
24.

Calculate the energy transferred when raising the temperature of 16000g of water by 3˚C

a)

785 J

b)

126000J

c)

22000J

d)

200640 J

25.

How many joules are required to boil 75 grams of water?

a)

25050J

b)

169500J

c)

31350J

d)

10000J

26.

How much energy is required to completely boil away 150g of water?

a)

40080J

b)

1417020J

c)

339000J

d)

439000J

27.

A substance is condensing. Which formula should you use?

a)

Q= mHf

b)

Q= mTCp

c)

Q= mHv

28.

How much heat is required to warm 275 g of water from 76C to 87C?

a)

12644J

b)

6322J

c)

25288J

d)

3161J

29.
What is happening to the potential energy during B-C?
a)
increasing
b)
decreasing
c)
staying the same
30.
What is happening to the potential energy during C-D?
a)
increasing
b)
decreasing
c)
staying the same