Matching
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Match each item with the correct statement below. a. | Boyle's law | c. | Guy-Lussac's law | b. | Charles's law | d. | combined gas law | | | | |
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1.
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For a
given mass of gas at constant temperature, the volume of the gas varies inversely with
pressure.
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2.
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The
volume of a fixed mass of gas is directly proportional to its Kelvin temperature, if the pressure is
kept constant.
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3.
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The
pressure of a gas is directly proportional to its Kelvin temperature if the volume is kept
constant.
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Match each item with the correct statement below. a. | aromatic compound | c. | saturated hydrocarbon | b. | unsaturaded hydrocarbon | | | | |
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4.
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any
straight-chain or branched-chain, alkene, or alkyne
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5.
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any
hydrocarbon compound in which a ring has bonding similar to benzene
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6.
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hydrocarbon with all single bonds.
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Multiple Choice
Identify the letter of the choice that
best completes the statement or answers the question.
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7.
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The
mass of a mole of NaCl is the ____. a. | molar mass | c. | molecular mass | b. | atomic mass | d. | gram atomic mass | | | | |
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8.
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What
is the molar mass of AuCl3? a. | 96 g | c. | 232.5 g | b. | 130 g | d. | 303.6 g | | | | |
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9.
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Chemical reactions ____. a. | occur only in living
organisms | c. | only occur outside living
organisms | b. | create and
destroy atoms | d. | produce new
substances | | | | |
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10.
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What
are the coefficients that will balance the skeleton equation below?
a. | 1, 1,
2 | c. | 3, 1, 2 | b. | 1, 3, 3 | d. | 1, 3, 2 | | | | |
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11.
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Which
of the following is a balanced equation representing the decomposition of lead(IV)
oxide?
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12.
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What
are the correct formulas and coefficients for the products of the following double-replacement
reaction?
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13.
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Hydrogen gas can be produced by reacting aluminum with sulfuric acid. How many moles
of sulfuric acid are needed to completely react with 15.0 mol of aluminum?
2Al + 3H SO --> Al (SO ) + 3H a. | 0.100
mol | c. | 15.0 mol | b. | 10.0 mol | d. | 22.5 mol | | | | |
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14.
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Which
type of stoichiometric calculation does not require the use of the molar mass? a. | mass-mass problems | c. | mass-particle problems | b. | mass-volume problems | d. | volume-volume problems | | | | |
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15.
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How
many grams of beryllium are needed to produce 36.0 g of hydrogen? (Assume an excess of
water.)
a. | 4.00
g | c. | 162 g | b. | 36.0 g | d. | 324 g | | | | |
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16.
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What
is one standard atmosphere of pressure in kilopascals? a. | 0 kPa | c. | 101.3 kPa | b. | 760 kPa | d. | 1 kPa | | | | |
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17.
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If
energy is added to a boiling liquid, what happens to the temperature of the liquid? a. | It increases. | c. | It does not change. | b. | It decreases. | d. | The change cannot be determined. | | | | |
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18.
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Most
solids ____. a. | are dense and
difficult to compress | c. | are
amorphous | b. | are able to
flow | d. | have a disorderly
structure | | | | |
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19.
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What
is the simplest straight-chain alkane? a. | graphite | c. | methane | b. | ammonia | d. | ethane | | | | |
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20.
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Which
of the following is a condensed structural formula for propane? a. | C H | c. | | b. | | d. | | | | | |
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21.
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The
name for an side group that contains two carbon atoms is ____. a. | diphenyl | c. | dimethyl | b. | ethyl | d. | propyl | | | | |
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22.
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A
saturated straight-chain hydrocarbon with two carbons is ____. a. | ethene | c. | propane | b. | decane | d. | ethane | | | | |
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23.
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What
is the name of the smallest alkyne? a. | butyne | c. | methyne | b. | ethyne | d. | propyne | | | | |
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24.
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Which
carbon skeleton represents an aldehyde? a. |
| c. |
| b. |
| d. |
none of the
above | | | | |
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25.
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Which
carbon skeleton represents a ketone?
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26.
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An
insoluble solid produced by a chemical reaction in solution is called a. | a precipitate. | c. | a molecule. | b. | a reactant. | d. | the mass of the product. | | | | |
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27.
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How
would oxygen be represented in the formula equation for the reaction of methane and oxygen to yield
carbon dioxide and water?
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28.
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What
is the balanced equation when aluminum reacts with copper(II) sulfate? a. | Al + Cu2S --> Al2S +
Cu | c. | Al + CuSO4 --> AlSO4
+ Cu | b. | 2Al +
3CuSO4 --> Al2(SO4)3 +
3Cu | d. | 2Al + Cu2SO4 -->
Al2SO4 + 2Cu | | | | |
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29.
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Which
coefficients correctly balance the formula equation
CaCO3 --> CaO + CO2? a. | 1, 1, 1 | c. | 2, 6, 3 | b. | 1, 3, 1 | d. | 3, 1, 2 | | | | |
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30.
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A
reaction of a hydrocarbon, in which carbon dioxide and water are produced, is classified as
a a. | decomposition
reaction. | c. | double-displacement
reaction. | b. | combustion
reaction. | d. | synthesis reaction. | | | | |
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31.
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In
what kind of reaction do two or more substances combine to form a new compound? a. | decomposition reaction | c. | double-displacement reaction | b. | ionic reaction | d. | synthesis reaction | | | | |
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32.
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In the
reaction Ca + Cl2 --> CaCl2, what is the mole ratio of chlorine to calcium
chloride?
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33.
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In the
reaction N2 + 3H2 --> 2NH3, what is the mole ratio of nitrogen to
ammonia?
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34.
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In the
reaction, CH4 + 2O2 --> CO2 + 2H2O, a mass of
25 g CO2 is produced by reacting methane with excess oxygen. The following
expression calculates the
a. | mass of water produced. | c. | minimum mass of oxygen needed. | b. | moles of carbon dioxide
produced. | d. | moles of methane
consumed. | | | | |
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35.
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If the
particles in a sample of matter have an orderly arrangement and move only in place, the sample is
a a. | gas. | c. | solid. | b. | liquid. | d. | substance. | | | | |
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36.
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The
process by which a solid becomes a liquid is a. | freezing. | c. | condensation. | b. | melting. | d. | sublimation. | | | | |
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37.
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In the
above figure, point B represents the _____ of water, and point C represents the ____ of
water. a. | normal freezing
point, normal boiling point | b. | normal boiling point, normal freezing
point | c. | vapor pressure,
atmospheric pressure | d. | critical point of the liquid, critical point of the
vapor | | |
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38.
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Point
A in the figure represents the _____ point of water. a. | boiling | c. | freezing | b. | critical | d. | triple | | | | |
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39.
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In the
figure, water is a _____ at point D and a _____ at point G. a. | solid, liquid | c. | solid, gas | b. | liquid, gas | d. | gas, solid | | | | |
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40.
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The
kinetic-molecular theory states that gas particles are very far apart. This idea explains of a
gas. a. | the fluidity | b. | the compressibility | c. | the fluidity and compressibility | d. | neither the fluidity nor the
compressibility | | |
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41.
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What
is the SI unit of pressure? a. | torr | c. | pound | b. | pascal | d. | newton | | | | |
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42.
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Standard temperature and pressure for a gas is a. | 0°C and 1 atm. | c. | 0°C and 1 Pa. | b. | 0 K and 1 atm. | d. | 0 K and 1 Pa. | | | | |
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43.
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A
pressure of 700. kPa is equal to _____ mm Hg. a. | 40.0 mm Hg | c. | 1060 mm Hg | b. | 401 mm Hg | d. | 5250 mm Hg | | | | |
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44.
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If the
temperature remains constant, V1 and P1 represent the original
volume and pressure, and V2 and P2 represent the new volume and
pressure, what is the mathematical expression for Boyle’s law? a. | P2V1 =
V2P1 | c. | V2V2 =
V1P1 | b. | V1V2 =
P1P2 | d. | | | | | |
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45.
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A
sample of a gas occupies a volume of 752 mL at 25°C. What volume will the gas occupies if the
temperature increases to 50°C, if the pressure remains constant? a. | 376 mL | c. | 815 mL | b. | 694 mL | d. | 1500 mL | | | | |
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46.
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How
many single covalent bonds can a carbon atom form?
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47.
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Which
of the following is the functional group in alcohols?
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48.
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In the
figure above, name the compound in diagram D. a. | 2-bromopropyne | c. | 2-bromopropane | b. | 2-bromopropene | d. | 2,2-bromopropene | | | | |
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49.
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In the
figure above, name the compound in diagram B. a. | 1,3-butadiene | c. | 2,3-butadiene | b. | 1,4-butadiene | d. | 1,3-butene | | | | |
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50.
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In the
figure above, name the compound in diagram A. a. | ethane | c. | ethyne | b. | ethene | d. | ethadiene | | | | |
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