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Chemistry Final Exam Review
Test Description: This is a review for your final exam.
Instructions: Answer all questions to get your test result.
1) What is the formula for barium sulfate?
A
BaSO4
B
Ba2(SO3)2
C
BaSO3
D
Ba2(SO4)2
2) What is the formula for Dinitrogen Pentoxide?
A
N2O5
B
N2P5
C
N5O2
D
NO
3) What is the name of NaOH?
A
sodium oxygen hydride
B
sodium hydroxide
C
sodium oxalate
D
Sodium oxide hydride
4) What is the name of SO2?
A
sulfur dioxide
B
sodium oxide
C
sodium oxygen
D
sulfur oxide
5) What type of reaction is 2Na + Cl2 ---- 2NaCl?
A
single replacement
B
double replacement
C
synthesis
D
decomposition
6) What type of reaction is CH4 + 2O2 --- CO2 + 2H2O
A
Single replacement
B
combustion
C
decomposition
D
synthesis
7) What type of reaction is CuSO4 + Fe ---- FeSO4 + Cu?
A
decomposition
B
double replacement
C
synthesis
D
single replacement
8) What are the reactant(s) in the reaction 2H2O2 ---- 2H2O + O2?
A
H2O2, H2O, and O2
B
H2O and O2
C
H and O
D
H2O2
9) What are the corresponding coefficients to balance the equation H2 + N2 ---- NH3?
A
3, 1, 2
B
3, 2, 1
C
2, 1, 3
D
2, 2, 3
10) In the reaction 2H2O2 ---- 2H2O + O2 how many oxygens are on the right side of the equation?
A
3
B
2
C
1
D
4
11) What is the molar mass of NaCl?
A
58.44 g/mol
B
35.453 g/mol
C
22.9898 g/mol
D
116.88 g/mol
12) How many moles of NaCl are in 116.88 grams of NaCl?
A
2
B
3
C
1
D
4
13) How many molecules are 2.0 moles of H2O?
A
1,000,000
B
6.0 x 10^23
C
1.2 x 10^24
D
125
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