WorksheetsStates of Matter Review
Total questions: 30
Worksheet time: 22mins
Name
Class
Date
1.
The Kinetic Molecular Theory states that molecules are...
a)
stationary
b)
sometimes moving
c)
always moving
d)
stationary and moving
2.
In a solid, the molecules move _________ than a liquid.
a)
more
b)
less
3.
In a liquid, the molecules move _________ than a gas.
a)
more
b)
less
4.
For the same substance, a ________ has the most energy and a _______ has the least energy.
a)
solid, liquid
b)
liquid, solid
c)
solid, gas
d)
gas, solid
5.
Which number represents a liquid?
a)
2
b)
3
c)
4
d)
4
6.
If you were to calculate the slope for number 4, what would you be calculating?
a)
Energy for melting
b)
Energy for condensation
c)
Heat of fusion for melting
d)
Heat of fusion for condensation
7.
If you were to calculate the slope for number 2, what would you be calculating?
a)
Heat of fusion for melting
b)
Heat of vaporization for melting
c)
Energy for a solid
d)
Energy for a liquid
8.
If you wanted to calculate the energy for a solid, what number on the graph would you need to look at?
a)
1
b)
2
c)
3
d)
4
9.
The formula for heat of fusion is...
a)
Q=mcΔT
b)
Q=mHf
c)
Q=mHv
d)
D=m/v
10.
If you wanted to calculate the energy for a gas, what equation would you need to use?
a)
Q=mcΔT
b)
Q=mHf
c)
Q=mHv
d)
D=m/v
11.
Heat of vaporization is used to calculate...
a)
a solid to a liquid
b)
a solid to a gas
c)
melting/freezing
d)
condensation/evaporation
12.
In the equation Q=mcΔT, what does the Q represent?
a)
Temperature
b)
Energy
c)
Mass
d)
Specific Heat
13.
When calculating energy, what are the units?
a)
Kelvin
b)
Joules
c)
Grams
d)
Joules/Gram
14.
A piece of aluminum has a density of 4.5g/mL and a volume of 1.5mL. What is the mass?
a)
3 grams
b)
6.75 grams
c)
0.33 grams
d)
2 grams
15.
A substance has a density of 7.8 g/mL and a mass of 0.62. What is the volume?
a)
12.581 g/mL
b)
4.836 g.mL
c)
0.0795 mL
d)
7.18 g/mL
16.
In a graduated cylinder, there are 6.7mL of water that weighs 2.8 grams. What is the density?
a)
2.39 g/mL
b)
18.76 g/mL
c)
0.42 g/mL
d)
1 g/mL
17.
An unknown substance has a density of 0.5 g/mL. What is the volume if the mass is 3.6 grams?
a)
7.2 mL
b)
1.8 mL
c)
0.14 mL
d)
1.5 mL
18.
What are the units for specific heat, C?
a)
J/g
b)
g/mL
c)
J/g⋅°C
d)
Joules
19.
What are the units for density?
a)
J/g
b)
g/mL
c)
J/g⋅°C
d)
Joules
20.
What are the units for Heat of fusion/vaporization, Hf/Hv?
a)
J/g
b)
g/mL
c)
J/g⋅°C
d)
Joules
21.
A bag of 20 g ice melts at 0°C. What equation would you use to find the amount of heat energy?
a)
Q=mc∆T
b)
Q=mHf
c)
Q=mHv
d)
D-m/v
22.
How much energy is required to melt a 20.0 g bag of ice at 0°C? (Hf of water = 334J/g and Hv of water = 2260 J/g)
a)
16.7 J
b)
113 J
c)
6680 J
d)
45200 J
23.
Calculate the mass needed to convert water to gas with 65217 joules of energy. (Hf of water = 334J/g and Hv of water = 2260 J/g)
a)
195.3 grams
b)
28.9 grams
c)
21,782,478 grams
d)
147,390,420 grams
24.
15 grams Aluminium takes 230 joules to melt. What is the heat of fusion?
a)
0.065 J/g
b)
15.33 J/g
c)
3450 J/g
d)
4600 J/g
25.
Copper takes 670 joules to vaporize. The heat of vaporization is 0.0047 J/g. What is the mass?
a)
142553.19 grams
b)
7.014 x 10-6 grams
c)
3.149 grams
d)
2.2715 grams
26.
Calculate the specific heat of wood if 120 g of the wood absorbs 1200 joules of heat, and its temperature changes from 15°C to 40°C.
a)
3,600,000 J/g⋅°C
b)
2.5 J/g⋅°C
c)
0.4 J/g⋅°C
d)
0.667 J/g⋅°C
27.
20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
a)
418 Joules
b)
209 J
c)
83 J
d)
4.18 J
28.
The specific heat of aluminum is 0.21 cal/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°?
a)
105 J
b)
10.5 J
c)
1.05 J
29.
20.0 g of mercury is heated from 20°C to 160°C and absorbs 455 joules of heat in the process. Calculate the specific heat capacity of mercury.
a)
0.169 J/g⋅°C
b)
5.934 J/g⋅°C
c)
1,274,000 J/g⋅°C
d)
0.126 J/g⋅°C
30.
For the question: "calculate the amount of heat needed to convert 190.0 g of liquid water at 100°C to steam" what equation would you use?
a)
Q=mc∆T
b)
Q=mHf
c)
Q=mHv
d)
D=m/v
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