Final Exam

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Question #1

Which represents the greatest mass?

A 1.0 mol Zn

B 1.0 mol Cu

C 1.0 mol Fe

D all the same

E 1.0 mol Al

Question #2

The oxidation product of a primary alcohol is

A a ketone.

B an acid.

C an alkene.

D a tertiary alcohol.

E an ether.

Question #3

The most characteristic reaction of the alkenes is

A addition.

B oxidation.

C reduction.

D addition and elimination.

E substitution.

Question #4

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

A equal

B not enough information given

C independent of each other

D inversely proportional

E directly proportional

Question #5

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

A 2

B none of these

C 14

D 18

E 8

Question #6

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

A water only

B ice and water vapor

C ice only

D water vapor only

E ice and water

Question #7

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

A 629 J

B 11.0 J

C 1.10 X 104 J

D 1.59 x 10–3 J

E 6.29 X 105 J

Question #8

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

A 4f

B 3s

C 2p

D 2d

E 1s

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 10.95 M

B 0.166 M

C 7.30 M

D 4.15 M

E 4.38 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 239.9 mL

B 22.4 mL

C 214.9 mL

D 26.1 mL

E 2.61 mL

Question #12

The alkaline earth metals have how many valence electrons?

A 1

B 7

C 2

D 3

E 8

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 ester

C aldehyde

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 elemental

B liquid

C gaseous

D solid

E mixed

Question #16

A solution with a pH of 2.17 is

A acidic

B neutral

C basic

Question #17

The number of protons in a given nucleus determines the

A atomic number.

B number of electrons.

C number of protons.

D number of isotopes.

E mass 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 NaCl

B CaCl2

C Na2CO3

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

E CaCO3

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 7

B 6

C 5

D 3

E 4

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 110.2 atm

B 0.1450 atm

C 7.497 atm

D 1.088 atm

E 1620 atm

Question #22

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

A all the same

B steam (vapor)

C ice (solid)

D liquid

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 aldehyde

B an amine

C an alkane

D an ester

E a ketone

Question #24

The number of unpaired electrons in a nitrogen atom is

A 3

B 7

C 5

D 6

E 4

Question #25

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

A 3.6 X 107 M

B 2.8 X 107 M

C 3.6 X 10–8 M

D 2.8X 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 0.7

C 10

D 5

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 acid-base

B oxidation-reduction

C single-replacement

D precipitation

E none of these

Question #30

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

A FALSE

B TRUE

Question #31

Which of the following compounds contains an ionic bond?

A O2

B NaCl

C CCl4

D HCl(g)

E SO2

Question #32

The oxidation product of a secondary alcohol is

A an aldehyde.

B a ketone.

C an ester.

D an acid.

E a tertiary alcohol.

Question #33

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

A lower

B stable

C excited

D ionic

E frenetic

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 9

B 11

C 13

D 15

E 8

Question #35

The best answer to report for 131.00 – 31.9904 is

A 99.01.

B 99.0.

C 99

D 99.0096.

E 99.010.

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 27.0%

C 18.1%

D 38.0%

E Not enough information is given.

Question #37

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

A CO2

B Cs2O

C BaBr2

D NaCl

E CaO

Question #38

The elements chlorine and iodine have similar chemical properties because they

A are in the same chemical period

B have the same number of stable isotopes

C none of these

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

E are both metals

Question #39

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

A a cycloalkane

B a ketone

C tertiary alcohol

D an aldehyde

E a secondary alcohol

Question #40

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

A dehydrogenation reactions.

B combustion reactions.

C addition reactions.

D substitution reactions.

E polymerization reactions.

Question #41

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

A a strong electrolyte

B a weak electrolyte

C a strong ion

D none of these

E an electrical solute

Question #42

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

A 53, 53, 127

B 53, 53, 74

C 53, 127, 74

D 74, 53, 127

E 53, 74, 53

Question #43

H2CCHCH2N(CH3)2 is

A an alkene and a tertiary amine.

B an alkyne and a secondary amine.

C an alkyne and a tertiary amine.

D an alkene and a primary amine.

Question #44

There are three isotopes of carbon differing with respect to

A electron configuration.

B neutrons.

C nuclear charge.

E number of protons.

F atomic number.

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 FALSE

B TRUE

Question #47

The chemical formula for iron(III) sulfide is

A Fe2S3.

B Fe2(SO3)3.

C Fe3(SO3)2.

D Fe2(SO4)3.

Question #48

3.03 mol of CO2 at STP will occupy

A 74.1 L

B 33.9 L

C 8.93 × 10–2 L

D 67.9 L

E 67.9 g

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 carboxylic acid, amine

C ketone, aldehyde

D amine, carboxylic acid

E ester, ether

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 FALSE

B TRUE

Question #51

Which of the following statements is/are correct?

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

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

E None of the above statements are correct.

Question #52

The formula for potassium carbonate is

A K2C.

B P2CO3.

C P2C.

D K2CO3.

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 2.2 mol

B 1.1 mol

C 1.5 mol

D 3.3 mol

E 1.8 mol

Question #54

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

A Co

B Ar

C Cr

D Fe

E Ca

Question #55

Heat is typically measured in

A joules

B °C

C grams

D °F

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 8.98 × 102 J

B 3.48 × 104 J

C none of these

D 5.15 × 103 J

E 6.05 × 103 J

Question #57

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

A synthesized

B reduced

C electrolyzed

D oxidized

Question #58

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

A amine

B ester

C aldehyde

D ketone

Question #59

Which of the following elements is most similar to chlorine?

A H

B Br

C Hg

D Na

E He

Question #60

Which particle has the smallest mass?

A neutron

B helium nucleus

C proton

D electron

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