Final Exam (A)

A  0

B  2

C  1

D  3

E  4

A  trigonal pyramidal

B  linear

C  trigonal planar

D  bent

E  tetrahedral

A  -121.3

B  -113.8

C  -107.9

D  -115.4

E  0.752

A  enough solvent to make 1.00 kg of solution.

B  1.00 kg of solvent.

C  enough solvent to make 1.00 L of solution.

D  1.00 L of solvent.

A  The solution is considered supersaturated.

B  The solution is considered saturated.

C  The solution would be considered unsaturated if it were cooled a bit to increase the solubility of the solid.

D  The solution is considered unsaturated.

E  None of the above are true.

A  Cl-Cl

B  C-F

C  N-O

D  C-N

E  C-C

A  F

B  Br

C  Be

D  O

E  None of the above can form compounds with an expanded octet.

A  3d

B  1s

C  3s

D  2p

E  4f

A  iron

B  chromium

C  manganese

D  titanium

E  vanadium

A  21 gallons

B  47 gallons

C  24 gallons

D  2.3 gallons

E  7.1 gallons

A  5.00 feet

B  12.7 ft

C  720.0 ft

D  32.2 ft

E  60.0 ft

A  0.775 M

B  0.387 M

C  1.29 M

D  0.194 M

A  4

B  1.6

C  8

D  9

A  2.81 M

B  0.356 M

C  0.274 M

D  3.65 M

A  An acidic solution has [H3O] > [OH]

B  A neutral solution contains [H2O] = [H3O

C  An neutral solution does not contain any H3O+ or OH-

D  A basic solution does not contain H3O+

E  None of the above are true.

A  Br2 

B  NH2-

C  NH3 

D  NH4+ 

E  CH4 

A  Water has strong hydrogen bonding.

B  Water is the main solvent within living organisms.

C  Water has an exceptionally high specific heat capacity.

D  Water is the main solvent within living organisms, it has strong hydrogen bonding, it has an exceptionally high specific heat capacity, and It has a low molar mass, yet it is a liquid at room temperature.

E  Water has a low molar mass, yet it is a liquid at room temperature.

A  147 torr

B  31.8 torr

C  98 torr

D  239 torr

E  41.8 torr

A  Protons and neutrons have opposite, but equal in magnitude, charges.

B  Protons have about the same mass as electrons.

C  Electrons make up most of the mass of an atom.

D  A neutral atom contains the same number of protons and electrons.

E  Neutrons and electrons are found in the nucleus of an atom.

A  5.02 x 1023 atoms

B  3.01 x 1024 atoms

C  7.53 x 1023 atoms

D  4.52 x 1024 atoms

E  1.52 x 1024 atoms

A  a hot cup of coffee (system) cools on a countertop

B  the chemical reaction in a “hot pack” often used to treat sore muscles

C  the vaporization of rubbing alcohol

D  the combustion of propane

E  the freezing of water

A  Na(s) + 2 H(g) + C(s) + 3 O(g) → NaHCO3 (s)

B  Na+(aq) + H2O (l) + CO2 (g) → NaHCO3 (s)

C  Na(s) + 1/2 H2(g) + C(s) + 3/2 O2(g) → NaHCO3 (s)

D  Na(s) + H2(g) + C(s) + O2(g) → NaHCO3 (s)

E  Na+(aq) + HCO3 -1 (aq) → NaHCO3 (s)

A  -16.7 kJ/mol NaOH

B  -169 kJ/mol NaOH

C  – 34.4 kJ/mol NaOH

D  -55.7 kJ/mol NaOH

E  -27.9 kJ/mol NaOH

A  1.10 L

B  3.11 L

C  1.83 L

D  2.00 L

E  2.24 L

A  81.8 g/mol

B  12.2 g/mol

C  33.9 g/mol

D  26.3 g/mol

E  38.0 g/mol