Final Exam

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Question #1

Which represents the greatest mass?

A all the same

B 1.0 mol Fe

C 1.0 mol Al

D 1.0 mol Zn

E 1.0 mol Cu

Question #2

The oxidation product of a primary alcohol is

A a ketone.

B an ether.

C an alkene.

D a tertiary alcohol.

E an acid.

Question #3

The most characteristic reaction of the alkenes is

A reduction.

B addition and elimination.

C addition.

D substitution.

E oxidation.

Question #4

If temperature and pressure are held constant, the volume and number of moles of a gas are

A directly proportional

B inversely proportional

C not enough information given

D independent of each other

E equal

Question #5

How many electrons are in the third principal energy level (n = 3) of one atom of Fe?

A 14

B none of these

C 2

D 8

E 18

Question #6

At 1 atm of pressure and a temperature of 0°C, which phase(s) of H2O can exist?

A ice and water

B water only

C water vapor only

D ice only

E ice and water vapor

Question #7

Perform the indicated conversion: 2.63 X 103 cal = _______________ J

A 629 J

B 1.59 x 10–3 J

C 1.10 X 104 J

D 11.0 J

E 6.29 X 105 J

Question #8

Which of the following is an incorrect designation for an atomic orbital?

A 2p

B 4f

C 3s

D 1s

E 2d

Question #9

True or false? Reduction is a gain of electrons.

A TRUE

B FALSE

Question #10

If you mix 20.0 mL of a 3.00 M sugar solution with 30.0 mL of a 5.30 M sugar solution, you will end up with a sugar solution of ________.

A 4.38 M

B 0.166 M

C 7.30 M

D 4.15 M

E 10.95 M

Question #11

You have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a 0.01042 M solution?

A 2.61 mL

B 214.9 mL

C 239.9 mL

D 26.1 mL

E 22.4 mL

Question #12

The alkaline earth metals have how many valence electrons?

A 1

B 7

C 8

D 2

E 3

Question #13

True or false? The law of conservation of enery states that energy can be converted from one form to another but can be neither created nor destroyed.

A TRUE

B FALSE

Question #14

Which of the following has a double C-O bond and a single C-O bond?

A alcohol

B aldehyde

C ester

D amine

E ketone

Question #15

The state of matter for an object that has a definite volume but not a definite shape is

A mixed

B elemental

C gaseous

D solid

E liquid

Question #16

A solution with a pH of 2.17 is

A neutral

B basic

C acidic

Question #17

The number of protons in a given nucleus determines the

A mass number.

B number of isotopes.

C number of electrons.

D atomic number.

E number of protons.

Question #18

An aqueous solution of sodium carbonate is reacted with an aqueous solution of calcium chloride.

Identify the solid in the balanced equation.

A There is no solid formed when the two solutions are mixed.

B Na2CO3

C CaCO3

D NaCl

E CaCl2

Question #19

A given set of d orbitals consists of ______________ orbital(s).

A 5

B 1

C 6

D 3

Question #20

The number of significant figures in 0.074100 × 10–4 is

A 6

B 3

C 5

D 4

E 7

Question #21

The air in the inner tube of the tire of a racing bike has a pressure of 110.2 psi. Convert this pressure to atm.

A 0.1450 atm

B 7.497 atm

C 110.2 atm

D 1620 atm

E 1.088 atm

Question #22

Choose the state of water in which the water molecules are farthest apart on average.

A liquid

B steam (vapor)

C ice (solid)

D all the same

Question #23

If you were to heat pentanoic acid and 2-butanol with a strong acid, you would most likely discover in your flask:

A an amine

B an aldehyde

C a ketone

D an ester

E an alkane

Question #24

The number of unpaired electrons in a nitrogen atom is

A 7

B 6

C 5

D 3

E 4

Question #25

A solution has [OH–] = 2.8 X 10–7 M. The [H+] in this solution is

A 2.8 X 107 M

B 3.6 X 10–8 M

C 2.8X 107 M

D 3.6 X 107 M

Question #26

A solution with a pH of 2 is how many times more acidic as a solution with a pH of 3?

A 100

B 5

C 0.7

D 10

E 2

Question #27

Name the following:

CH3C ≡ CCH2CH2Cl

A 5-chloro-2pentyne

B 2-chloro-5pentyne

Question #28

True or false? The calorie is defined as the amount of energy (heat) required to raise the temperature of one gram of water by one degree Celsius.

A FALSE

B TRUE

Question #29

The reaction HCl(aq) + KOH(aq) → H2O(l) + KCl(aq) is a(n) ______________ reaction.

A oxidation-reduction

B single-replacement

C precipitation

D acid-base

E none of these

Question #30

True or false? N2 is an example of a covalent bond.

A TRUE

B FALSE

Question #31

Which of the following compounds contains an ionic bond?

A O2

B HCl(g)

C CCl4

D SO2

E NaCl

Question #32

The oxidation product of a secondary alcohol is

A an aldehyde.

B an acid.

C an ester.

D a tertiary alcohol.

E a ketone.

Question #33

When an electron in the ground state absorbs energy, it goes to a(n) ______________ state.

A ionic

B stable

C frenetic

D excited

E lower

Question #34

The complete combustion of heptane, C7H16, which is a volatile hydrocarbon, yields carbon dioxide and water:
__ C7H16 + __ O2 → __ CO2 + __ H2O
The coefficient of oxygen in the balanced equation is

A 15

B 11

C 8

D 9

E 13

Question #35

The best answer to report for 131.00 – 31.9904 is

A 99

B 99.010.

C 99.0096.

D 99.0.

E 99.01.

Question #36

The total mass of a solution is 171.5 g. The solvent mass is 125.2 g. What is the mass percent of the solute?

A 18.1%

B Not enough information is given.

C 73.0%

D 27.0%

E 38.0%

Question #37

Which of the following compounds contains one or more covalent bonds?

A Cs2O

B CO2

C CaO

D NaCl

E BaBr2

Question #38

The elements chlorine and iodine have similar chemical properties because they

A none of these

B are both metals

C have the same number of stable isotopes

D have the same number of electrons in their outer energy levels

E are in the same chemical period

Question #39

Which of the following will yield a carboxylic acid upon oxidation?

A a secondary alcohol

B a ketone

C an aldehyde

D a cycloalkane

E tertiary alcohol

Question #40

Chemical reactions involving alkanes in which hydrogen atoms are removed and the product is an unsaturated hydrocarbon are called

A polymerization reactions.

B addition reactions.

C dehydrogenation reactions.

D substitution reactions.

E combustion reactions.

Question #41

A substance that, when dissolved in water, produces a solution that conducts electric current very efficiently is called

A a strong ion

B a weak electrolyte

C a strong electrolyte

D an electrical solute

E none of these

Question #42

How many protons, electrons, and neutrons, respectively, does 127I have?

A 53, 53, 74

B 74, 53, 127

C 53, 74, 53

D 53, 127, 74

E 53, 53, 127

Question #43

H2CCHCH2N(CH3)2 is

A an alkene and a tertiary amine.

B an alkene and a primary amine.

C an alkyne and a secondary amine.

D an alkyne and a tertiary amine.

Question #44

There are three isotopes of carbon differing with respect to

A number of protons.

B electron configuration.

C atomic number.

E neutrons.

F nuclear charge.

Question #45

True or false? Arrhenius postulated that acids produce hydrogen ions in aqueous solution, whereas bases produce hydroxide ions.

A TRUE

B FALSE

Question #46

True or false? CH4 has ionic bonds.

A FALSE

B TRUE

Question #47

The chemical formula for iron(III) sulfide is

A Fe3(SO3)2.

B Fe2S3.

C Fe2(SO4)3.

D Fe2(SO3)3.

Question #48

3.03 mol of CO2 at STP will occupy

A 33.9 L

B 67.9 L

C 67.9 g

D 8.93 × 10–2 L

E 74.1 L

Question #49

Oxidation of a primary alcohol results in a(n) __________ and oxidation of a secondary alcohol results in a(n) _________.

A aldehyde, ketone

B ketone, aldehyde

C ester, ether

D amine, carboxylic acid

E carboxylic acid, amine

Question #50

True or false? The equation N2(g) + 3H2(g) → 2NH3(g) can be interpreted by saying that 1 mol of N2 reacts with 3 mol of H2 to form 2 mol of NH3.

A TRUE

B FALSE

Question #51

Which of the following statements is/are correct?

A In an acidic solution, [H+] > [OH-], In a basic solution,[OH-] > [H+], and In a neutral solution, [H+] = [OH-] .

B In an acidic solution, [H+] > [OH-]

C In a basic solution,[OH-] > [H+]

D In a neutral solution, [H+] = [OH-]

E None of the above statements are correct.

Question #52

The formula for potassium carbonate is

A K2CO3.

B Po2CO3.

C P2CO3.

D P2C.

E K2C.

Question #53

A 2.2-mol sample of KClO3 was decomposed according to the equation 2KClO3(s) → 2KCl(s) + 3O2(g) How many moles of O2 are formed?

A 2.2 mol

B 1.5 mol

C 3.3 mol

D 1.8 mol

E 1.1 mol

Question #54

1s22s22p63s23p64s23d7 is the electron configuration for which of the following atoms?

A Fe

B Co

C Ca

D Ar

E Cr

Question #55

Heat is typically measured in

A grams

B °C

C °F

D joules

Question #56

Calculate the heat given off when 101.4 g of copper cools from 155.0oC to 23.0oC. The specific heat of copper is 0.385 J/g oC.

A none of these

B 3.48 × 104 J

C 8.98 × 102 J

D 6.05 × 103 J

E 5.15 × 103 J

Question #57

In the reaction 2Cs(s) + Cl2(g) → 2CsCl(s), the chlorine is ______________.

A reduced

B electrolyzed

C synthesized

D oxidized

Question #58

Identify the type of organic compound shown: (CH3)3N

A ester

B ketone

C amine

D aldehyde

Question #59

Which of the following elements is most similar to chlorine?

A Br

B He

C H

D Hg

E Na

Question #60

Which particle has the smallest mass?

A electron

B proton

C helium nucleus

D neutron

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