Question: Which of the following transitions represent the
emission of a photon with the largest energy?

A) n = 2 to n = 1

B) n = 3 to n = 1

C) n = 6 to n = 4

D) n = 1 to n = 4

E) n = 2 to n = 4

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Question: In a container containing CO, H2, and O2, what is the mole
fraction of CO if the H2mole fraction is 0.22 and the O2mole
fraction is 0.58?

A) 0.20

B) 0.30

C) 0.10

D) 0.50

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Question: A 1.000 kg sample of nitroglycerine, C3H5N3O9, explodes and
releases gases with a temperature of 1985C at 1.100 atm. What is
the volume of gas produced?

4 C3H5N3O9(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g)

A) 742.2 L

B) 3525 L

C) 4730 L

D) 5378 L

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Question: What are the coefficients in front of NO3-(aq) and Cu(s)
when the following redox equation is balanced in an acidic
solution:

___ NO3-(aq) + ___ Cu(s) ___ NO(g) + ___ Cu2+(aq)?

A) 2, 3

B) 2, 6

C) 3, 4

D) 3, 6

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Question: Name the following: [Fe(CO)6][Ag(CN)2]2

A) iron(III)hexacarbonylsilverdicyanide

B) hexacarbonyliron(II) dicyanoargentate

C) iron(II) carbonyl silvercyanide

D) hexacarbonyliron(III) dicyanosilvate

E) iron(II)hexacarbonyl silvercyanide

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Question: Choose the polysaccharide from the compounds below.

A)

B)

C)

D)

E)

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Question: Which of the following pairs of coordination compounds or
complex ions are examples of linkage isomers?

A) [Cu(NHQuestion:5Br]Cl and [Cu(NHQuestion:5Cl]Br

B) [Fe(NHQuestion:2(H2O)4]Cl2 and [Fe(NHQuestion:4(H2O)2]Cl2

C) [Fe(CO)5NO2]2+ and [Fe(CO)5ONO]2+

D) [Fe(NHQuestion:2(H2O)4]Cl2 and [Fe(NHQuestion:2(H2O)4]Br2

E) [Cr(H2O)6]3+ and [Cr(NHQuestion:6]3+

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Question: Identify the number of electron groups around a molecule with
an octahedral shape.

A) 6

B) 2

C) 3

D) 4

E) 5

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Question: Calculate the pH of a solution that contains 3.9 x 10-5M H3O
at 25C.

A) 5.41

B) 4.41

C) 9.59

D) 8.59

E) 0.59

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Question: Identify the missing particle in the following nuclear
equation:

U
Sr
+ ? + 2 n
+ 4 g

A) Te

B) Xe

C) Xe

D) Te

E) Sr

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Question: Calculate the atomic mass of silver if silver has 2 naturally
occurring isotopes with the following masses and natural
abundances:

Ag-107 106.90509 amu 51.84%

Ag-109 108.90476 amu 48.46%

A) 107.90 amu

B) 108.00 amu

C) 107.79 amu

D) 108.32 amu

E) 108.19 amu

Answer:View Answer

Question: Sodium metal reacts with water to produce hydrogen gas and
sodium hydroxide according to the chemical equation shown below.
When 0.025 mol of Na is added to 100.00 g of water, the
temperature of the resulting solution rises from 25.00C to
35.75C. If the specific heat of the solution is 4.18 J/(g C),
calculate H for the reaction, as written.

2 Na(s) + 2 H2O(l) 2 NaOH(aq) + H2(g) H = ?

A) -5.41 kJ

B) -90.0 kJ

C) -180 kJ

D) -360 kJ

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Question: Refer to the above table. Use charge balance to determine the
value of x in the amphibole Ca2(OH)2Znx(Si4OQuestion:2.

A) 1

B) 4

C) 2

D) 5

E) 3

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Question: Which of the following substances would you predict to have
the highest Hvap?

A) CH3Cl

B) HCl

C) HOCH2CH2OH

D) CH3CH2OH

E) CH3CH2CH2CH3

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Question: Identify the compound that is base-insoluble.

A) PbCl2

B) As2S3

C) ZnS

D) Ca3(POQuestion:2

E) KCl

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Question: Place the following in order of increasing bond
length.

NO2 NO3 NO

A) NO < NO2 < NO3

B) NO2 < NO3 < NO

C) NO3 < NO < NO2

D) NO < NO3 < NO2

E) NO3 < NO2 < NO

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Question: A 4.00-L flask contains nitrogen gas at 25C and 1.00 atm
pressure. What is the final pressure in the flask if an
additional 2.00 g of N2gas is added to the flask and the flask
cooled to -55C?

A) 0.319 atm

B) 1.05 atm

C) 1.44 atm

D) 1.96 atm

Answer:View Answer

Question: What is the mole fraction of I2in a solution made by
dissolving 55.6 g of I2in 245 g of hexane, C6H14?

A) 0.0715

B) 0.0770

C) 0.133

D) 0.154

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Question: Parts per million requires a multiplication factor of
________.

A) 10-9

B) 10-3

C) 103

D) 1015

E) 106

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Question: Determine DHsolutefor KBr if the DHsolution (KBr) = +19.9
kJ/mol and the

Hhydration(KBr) = -670. kJ/mol.

A) +650 kJ/mol

B) -650 kJ/mol

C) +690 kJ/mol

D) -710 kJ/mol

E) -690 kJ/mol

Answer:View Answer

Question: What element is being reduced in the following redox reaction?

C3H8O2(aq) + KMnO4(aq) C3H2O4K2(aq) + MnO2(aq)

A) C

B) H

C) O

D) K

E) Mn

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Question: The rate of effusion of two different gases is known as

A) Avogadro’s Law

B) Graham’s Law

C) Charles’s Law

D) Boyle’s Law

E) Dalton’s Law

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Question: Name the following compound.

A) 2-methyl-3-methylhexane

B) heptane

C) 2,3-dimethylpentane

D) 3,4-dimethylpentane

E) 2,4-dimethylpropane

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Question: Identify the type of solid for ice.

A) metallic atomic solid

B) ionic solid

C) nonbonding atomic solid

D) molecular solid

E) networking atomic solid

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Question: Ammonia is an example of

A) a compound.

B) an element.

C) a heterogeneous mixture.

D) a homogeneous mixture.

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Question: A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF.
Calculate the pH of the solution after the addition of 0.0500
moles of solid NaOH. Assume no volume change upon the addition of
base. The Kafor HF is 3.5 10-4.

A) 3.34

B) 3.46

C) 3.57

D) 3.63

E) 2.89

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Question: Determine the electron geometry (eg) and molecular geometry
(mg) of ICl2.

A) eg=tetrahedral, mg=bent

B) eg=tetrahedral, mg=trigonal pyramidal

C) eg=trigonal bipyramidal, mg=linear

D) eg=trigonal bipyramidal, mg=trigonal planar

E) eg=octahedral, mg=linear

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Question: Give the hybridization for the S in SF6.

A) sp

B) sp2

C) sp3

D) sp3d

E) sp3d2

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Question: Which of the following alkane names is correct?

A) 1,2-dimethylhexane

B) 1-propylnonane

C) 4,5-dipropylpentane

D) 2-methyl-3-ethylhexane

E) All of the above names are correct.

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Question: Determine the electron geometry (eg), molecular geometry
(mg), and polarity of SO3.

A) eg=tetrahedral, mg=trigonal pyramidal, polar

B) eg=tetrahedral, mg=tetrahedral, nonpolar

C) eg=trigonal planar, mg=trigonal planar, nonpolar

D) eg= trigonal bipyramidal, mg=trigonal planar, polar

E) eg=trigonal pyramidal, mg=bent, nonpolar

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Question: Explain the difference between a strong and weak electrolyte.
Give an example of each.

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Question: Why is the Hvaphigher than Hfus for a given compound?

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Question: Define osmosis.

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Question: Explain the significance of the standard hydrogen electrode
(SHE) in the tabulation of standard reduction potentials of other
species.

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Question: Define dynamic equilibrium.

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Question: Give the edge length in terms of r for a simple cubic cell.

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Question: What is the concentration (M) of a NaCl solution prepared by
dissolving 7.2 g of NaCl in sufficient water to give 425 mL of
solution?

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Question: List the compound that is formed from the reaction of carbon
dioxide with water.

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Question: Why do atoms only emit certain wavelengths of light when they
are excited? (Why do line spectra exist?)

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Question: Describe the information necessary (and why) to chose a good
indicator for a weak acid/strong base titration.

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