Final Exam

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Question #1

Which represents the greatest mass?

A 1.0 mol Fe

B 1.0 mol Zn

C 1.0 mol Cu

D all the same

E 1.0 mol Al

Question #2

The oxidation product of a primary alcohol is

A an acid.

B a ketone.

C an alkene.

D an ether.

E a tertiary alcohol.

Question #3

The most characteristic reaction of the alkenes is

A addition and elimination.

B substitution.

C oxidation.

D addition.

E reduction.

Question #4

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

A independent of each other

B not enough information given

C inversely proportional

D directly proportional

E equal

Question #5

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

A none of these

B 14

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 water vapor only

B ice and water vapor

C ice and water

D water only

E ice only

Question #7

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

A 6.29 X 105 J

B 1.59 x 10–3 J

C 629 J

D 11.0 J

E 1.10 X 104 J

Question #8

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

A 2d

B 4f

C 1s

D 2p

E 3s

Question #9

True or false? Reduction is a gain of electrons.

A FALSE

B TRUE

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 4.15 M

B 10.95 M

C 4.38 M

D 7.30 M

E 0.166 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 214.9 mL

B 2.61 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 8

B 7

C 3

D 1

E 2

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 FALSE

B TRUE

Question #14

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

A alcohol

B amine

C ketone

D aldehyde

E ester

Question #15

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

A mixed

B liquid

C solid

D gaseous

E elemental

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 number of electrons.

B mass number.

C number of protons.

D number of isotopes.

E atomic number.

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 CaCl2

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

C CaCO3

D NaCl

E Na2CO3

Question #19

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

A 3

B 1

C 5

D 6

Question #20

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

A 4

B 7

C 5

D 3

E 6

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 1.088 atm

B 110.2 atm

C 1620 atm

D 0.1450 atm

E 7.497 atm

Question #22

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

A ice (solid)

B liquid

C steam (vapor)

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 ester

B an alkane

C a ketone

D an amine

E an aldehyde

Question #24

The number of unpaired electrons in a nitrogen atom is

A 3

B 7

C 6

D 4

E 5

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 2.8X 107 M

C 3.6 X 10–8 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 2

B 100

C 10

D 5

E 0.7

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 precipitation

B none of these

C acid-base

D oxidation-reduction

E single-replacement

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 SO2

B CCl4

C O2

D NaCl

E HCl(g)

Question #32

The oxidation product of a secondary alcohol is

A an ester.

B a ketone.

C a tertiary alcohol.

D an acid.

E an aldehyde.

Question #33

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

A stable

B frenetic

C lower

D excited

E ionic

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 13

D 8

E 9

Question #35

The best answer to report for 131.00 – 31.9904 is

A 99

B 99.0096.

C 99.010.

D 99.01.

E 99.0.

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 73.0%

B Not enough information is given.

C 38.0%

D 18.1%

E 27.0%

Question #37

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

A BaBr2

B NaCl

C Cs2O

D CaO

E CO2

Question #38

The elements chlorine and iodine have similar chemical properties because they

A none of these

B are in the same chemical period

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

D have the same number of stable isotopes

E are both metals

Question #39

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

A a secondary alcohol

B tertiary alcohol

C a ketone

D an aldehyde

E a cycloalkane

Question #40

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

A combustion reactions.

B polymerization reactions.

C substitution reactions.

D addition reactions.

E dehydrogenation reactions.

Question #41

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

A an electrical solute

B a strong ion

C a strong electrolyte

D none of these

E a weak electrolyte

Question #42

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

A 53, 53, 74

B 53, 74, 53

C 74, 53, 127

D 53, 127, 74

E 53, 53, 127

Question #43

H2CCHCH2N(CH3)2 is

A an alkyne and a tertiary amine.

B an alkene and a tertiary amine.

C an alkyne and a secondary amine.

D an alkene and a primary amine.

Question #44

There are three isotopes of carbon differing with respect to

A number of protons.

C nuclear charge.

D electron configuration.

E atomic number.

F neutrons.

Question #45

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

A FALSE

B TRUE

Question #46

True or false? CH4 has ionic bonds.

A TRUE

B FALSE

Question #47

The chemical formula for iron(III) sulfide is

A Fe3(SO3)2.

B Fe2(SO3)3.

C Fe2S3.

D Fe2(SO4)3.

Question #48

3.03 mol of CO2 at STP will occupy

A 67.9 g

B 67.9 L

C 33.9 L

D 74.1 L

E 8.93 × 10–2 L

Question #49

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

A ester, ether

B carboxylic acid, amine

C aldehyde, ketone

D amine, carboxylic acid

E ketone, aldehyde

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-]

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

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

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

E None of the above statements are correct.

Question #52

The formula for potassium carbonate is

A K2CO3.

B P2C.

C P2CO3.

D K2C.

E Po2CO3.

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 1.1 mol

B 2.2 mol

C 3.3 mol

D 1.5 mol

E 1.8 mol

Question #54

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

A Ar

B Ca

C Co

D Fe

E Cr

Question #55

Heat is typically measured in

A grams

B °F

C °C

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 8.98 × 102 J

C 5.15 × 103 J

D 6.05 × 103 J

E 3.48 × 104 J

Question #57

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

A electrolyzed

B synthesized

C oxidized

D reduced

Question #58

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

A ketone

B ester

C amine

D aldehyde

Question #59

Which of the following elements is most similar to chlorine?

A H

B Br

C He

D Hg

E Na

Question #60

Which particle has the smallest mass?

A proton

B helium nucleus

C electron

D neutron

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