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WorksheetsSpring 2016 Final Review 1
Total questions: 56
Worksheet time: 2hrs 42mins
Name
Class
Date
1.
Which PP represents a mixture?
a)
( 1 )
b)
( 2 )
c)
( 3 )
d)
( 4 )
2.
Which PP represents an element?
a)
( 1 )
b)
( 2 )
c)
( 3 )
d)
( 4 )
3.
How many atoms are in box 4?
a)
0
b)
1
c)
5
d)
10
4.
How many molecules are in box 4?
a)
0
b)
1
c)
5
d)
10
5.
How many elements are in box 4?
a)
0
b)
1
c)
5
d)
10
6.
How many elements are in box 4?
a)
0
b)
1
c)
5
d)
10
7.
How many elements are in box 1?
a)
0
b)
1
c)
5
d)
10
8.
How many compounds are in box 1?
a)
0
b)
1
c)
5
d)
10
9.
Which Particle Picture(s) represent a pure sustance?
a)
( 4 )
b)
( 1 ) and ( 3 )
c)
( 1 ) ( 2 ) and ( 3 )
d)
( 1 ) ( 3 ) and ( 4 )
10.
What would be a possible formula for box 4?
a)
NaCl
b)
Na
c)
Cl2
d)
S5
11.
What would be a possible formula for box 1?
a)
NaCl
b)
Na
c)
Cl2
d)
Na5Cl5
12.
What type of reaction is represented by this PP?
a)
decomposition
b)
synthesis
c)
single replacement
d)
double replacement
13.
How many different compounds are on the product side?
a)
0
b)
1
c)
2
d)
4
14.
How many molecules are on the product side?
a)
0
b)
1
c)
2
d)
4
15.
Is this is chemical or physical change?
a)
chemical change
b)
physical change
16.
Which is a best representation for this chemical reaction?
a)
2 CaSO3 --> 2 SO2 + 2 CaO
b)
CaSO3 --> SO2 + CaO
c)
2 Ca2(SO3)2 --> S2O6 + CaO
17.
What coefficients are needed to correctly balance the equation?
_Bi + _O2 > _Bi2O3
_Bi + _O2 > _Bi2O3
a)
3,2,3
b)
2,3,2
c)
4,3,2
d)
none of these
18.
The substances that are present before a reaction are the...
a)
reactants
b)
products
c)
both of these
d)
neither of these
19.
In a chemical equation, the substances that are on the right side of the arrow are the...
a)
reactants
b)
products
c)
catalysts
d)
inhibitors
20.
What must go in the blank space to balance the equation?
4Fe + _O2 --> 2Fe2O3
4Fe + _O2 --> 2Fe2O3
a)
1
b)
2
c)
3
d)
4
21.
Which of these reactions is a decomposition reaction?
a)
4Al + 3O2 --> 2Al2O3
b)
2CO2 --> 2CO + O2
c)
2K + 2H2O --> H2 + 2KOH
d)
CH4 + 2O2 --> CO2 + 2H2O
22.
What coefficients are needed to correctly balance the following equation?
_KBrO3 --> _KBr + _O2
_KBrO3 --> _KBr + _O2
a)
3, 3, 2
b)
1, 1, 2
c)
1, 1, 3
d)
2, 2, 3
23.
Which coefficients are needed to correctly balance the equation?
_Ca + _AlBr3 --> _CaBr2 + _Al
_Ca + _AlBr3 --> _CaBr2 + _Al
a)
2, 2, 3, 3
b)
3, 2, 3, 2
c)
3, 3, 2, 2
d)
2, 3, 2, 3
24.
What coefficients are needed to correctly balance this equation?
_Br2 + _KI --> _KBr + _I2
_Br2 + _KI --> _KBr + _I2
a)
2, 1, 1, 2
b)
1, 2, 2, 1
c)
1, 1, 1, 1
d)
1, 2, 1, 2
25.
How much water is in this graduated cylinder?
a)
43.000 mL
b)
43 mL
c)
43.0 mL
d)
43.00 mL
26.
How much water is in this graduated cylinder?
a)
44 mL
b)
44.5 mL
c)
44.50 mL
d)
55.5 mL
27.
What is the percent concentration of a sugar solution that is made by dissolving 10 grams of sugar in 30 grams of water?
a)
33 % sugar
b)
25% sugar
c)
0.33% sugar
d)
0.25% sugar
28.
What part of an atom causes it to become an ion?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
29.
What reading is this graduated cylinder?
a)
44.5 mL
b)
44.50 mL
c)
45 mL
d)
44 mL
30.
How are temperature (in Kelvin) and pressure related?
a)
directly and linearly
b)
inversely and linearly
c)
directly and exponentially
d)
inversely and exponentially
31.
How are temperature (in Kelvin) and volume related?
a)
directly and linearly
b)
inversely and linearly
c)
directly and exponentially
d)
inversely and exponentially
32.
How are pressure and volume related?
a)
directly and linearly
b)
inversely and linearly
c)
directly and exponentially
d)
inversely and exponentially
33.
How are pressure and number of particles related?
a)
directly and linearly
b)
inversely and linearly
c)
directly and exponentially
d)
inversely and exponentially
34.
What is pressure?
a)
how often particles hit the walls of a container
b)
particles being attracted to one another
c)
how fast particles move
d)
how much space particles take up
35.
When we compare pressure and volume, what must be held constant?
a)
How many particles there are and how fast they're moving
b)
How much space the particles take up AND how fast they're moving
c)
How often particles hit the walls of a container AND how fast they're moving
d)
How many particles there are
36.
How many diatomic molecules are present in this chemical equation?
a)
10
b)
5
c)
2
d)
1
37.
How many diatomic elements are present in this chemical equation?
a)
10
b)
5
c)
2
d)
1
38.
How many compounds are there?
a)
13
b)
3
c)
8
d)
5
39.
How many molecules are there?
a)
13
b)
3
c)
8
d)
5
40.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
41.
Nitrogen will ____ valence electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
42.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
43.
An atom of X becomes a cation when it forms an ionic bond with two atoms of chlorine. What is the charge atom X now?
a)
+1
b)
+2
c)
+3
d)
+4
44.
Compound: XO
Compound when X combines with Fluorine?
Compound when X combines with Fluorine?
a)
XF
b)
XF2
c)
X2F
d)
X2F3
45.
Compound: Al2X3
Compound when X combines with Calcium?
Compound when X combines with Calcium?
a)
CaX
b)
CaX2
c)
Ca2X
d)
Ca2X3
46.
How many moles of CO molecules in 56g of CO (M(C) = 12, M(O) =16 ?
a)
2
b)
28/56
c)
56 x 6 x 1023
47.
In the following equation;
2 Mg + O2 --> 2 MgO
What is the mole ratio of Magnesium to Oxygen?
2 Mg + O2 --> 2 MgO
What is the mole ratio of Magnesium to Oxygen?
a)
2 Mg / 1 O2
b)
1 O2 / 2 Mg
c)
2 Mg / 2 O2
d)
2 MgO
48.
How many moles is 4 grams of Calcium?
a)
0.10 moles
b)
10 moles
c)
44 moles
d)
160 moles
49.
How many grams is 1.2 moles of Neon?
a)
0.05 grams
b)
16.6 grams
c)
21.2 grams
d)
24 grams
50.
What is the molar mass of B2(CO3)3?
a)
81.632 g/mol
b)
94.842 g/mol
c)
38.822 g/mol
d)
201.648 g/mol
51.
4 Al + 3 O2 –> 2 Al2O3 How much aluminum would be needed to completely react with 45 grams of O2?
a)
1.05 moles
b)
3.75 moles
c)
1.875 grams
d)
1.875 moles
52.
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
a)
0.85 g
b)
290 g
c)
450 g
d)
870 g
53.
When solid aluminum reacts with oxygen gas solid aluminum oxide is produced. How many moles of aluminum are required to produced 4.5 mole of aluminum oxide?
a)
2.25 moles Al
b)
4.66 moles Al
c)
3.81 moles Al
d)
9.0 moles Al
54.
Use the following equation:
NaIO3(aq) + 6HI(aq) --> 3I2(s) + NaI(aq) + 3H2O(l)
How many moles of iodine can be made from 6.55 moles of NaIO3?
NaIO3(aq) + 6HI(aq) --> 3I2(s) + NaI(aq) + 3H2O(l)
How many moles of iodine can be made from 6.55 moles of NaIO3?
a)
4.55 moles I2
b)
23.18 moles I2
c)
19.65 moles I2
d)
34.99 moles I2
55.
A lab student adds salt to water. What is the solvent?
a)
salt
b)
water
c)
the mixture that forms when salt and water are mixed
56.
How many neutrons are in Phosphorus?
a)
15
b)
16
c)
31
d)
30
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