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Mr. Wissmann's Accelerated Chemistry Final Review Part 1
Test Description: Review for the accelerated chemistry final
Instructions: Answer all questions to get your test result.
1) Which type of chemical equation involves one compound breaking apart into two or more molecules?
A
synthesis
B
decomposition
C
double replacement
D
single replacement
2) The study of the amounts of reactants used and products formed from a chemical reaction is called ___?
A
biology
B
geology
C
stoichiometry
D
pharmacology
3) The reactant that is used up first in a chemical reaction is known as the ___________ reactant.
A
limiting
B
restricting
C
excess
D
surplus
4) The SI unit used to measure the number of particles in a substance is called the ___.
A
mole
B
kilogram
C
liter
D
meter
5) The number, 6.02x10^23 is known as
A
Einstein's Constant
B
Avogadro's Number
C
Planck's Constant
D
Schrodinger's Number
6) The mass of the reactants equals the mass of the products. This is the Law of
A
multiple proportions
B
conservation of mass
C
Avogadro's number
D
gravity
7) When gas burns to cook food, the type of reaction is _____.
A
synthesis
B
decomposition
C
single replacement
D
combustion
8) What do you call the mass of 1 mole of a substance?
A
molarity
B
molar mass
C
mole
D
atomic mass
9) What is the percent composition of sodium in sodium phosphate?
A
42%
B
19%
C
14%
D
58%
10) How many atoms of aluminum are in 14.9g of aluminum?
A
9.2x10^-25
B
3.3x10^23
C
0.55
D
9.0x10^24
11) In the reaction 2 S + 3 O2 -- Fe2O3, if given 4.0 mole of S, how many mole of O2?
A
12.0
B
6.0
C
9.0
D
4.0
12) Fe3O4 + 4 CO -- 4 CO2 + 3 Fe, If 201 g Fe3O4 react, how many grams of CO2 form?
A
192 g
B
153 g
C
95 g
D
167 g
13) 2 S + 3 O2 -- 2 SO3, if 6.3 grams of S and 10.0 grams of O2 react, what is the limiting reactant?
A
O2
B
SO3
C
S
D
none of the above
14) The molar mass of Al2(SO4)3 is what?
A
278.5 g
B
342.1 g
C
400.3 g
D
314.5 g
15) This type of matter has indefinite shape and indefinite volume
A
liquid
B
solid
C
none of these
D
gas
16) A mixture which the composition is not uniform throughout, for example pizza, is considered
A
homogeneous
B
mosaic
C
heterogeneous
D
compound
17) Table salt (NaCl) is an example of a
A
compound
B
element
C
mixture
D
base
18) A water molecule has an uneven sharing of electrons between the hydrogen atoms and the oxygen atom, because of this, water is ______
A
soluble
B
nonpolar
C
polar
D
insoluble
19) For an atom, the number of electrons equals the number of ________ and the _________ number
A
protons, atomic
B
atoms, mass
C
protons, mass
D
atoms, atomic
20) Bromine has an atomic number of 35 and an mass number of 80, how many neutrons does it have?
A
35
B
115
C
45
D
80
*select an answer for all questions
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