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1) 1 picometer = ________ centimeters
A) 1 X 1010
B) 1 X 10-10
C) 1 X 108
D) 1 X 10-8
E) 1 X 10-12
2) The solubility of nitrogen gas in water at 25 oC and a nitrogen pressure of 1.0 atm is
6.9 x 10-4 M. The solubility of nitrogen in water at a nitrogen pressure of 2.0 atm is
________ M.
A) 0.0014
B) 0.00086
C) 120
D) 0.0037
E) 2.0
3) The principal difference between fructose and glucose is that ________.
A) fructose is a disaccharide and glucose is a monosaccharide
B) fructose is a monosaccharide and glucose is a disaccharide
C) fructose is chiral and glucose is not
D) glucose is chiral and fructose is not
E) fructose is a ketone sugar and glucose is an aldehyde sugar
4) A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density
of the resulting solution is 0.974 g/mL. The molality of NH3 in the solution is ________
m.
A) 0.00353
B) 0.882
C) 60.0
D) 3.24
E) 3.53
5) On the phase diagram shown above, the coordinates of point ________ correspond to
the critical temperature and pressure.
A) A
B) B
C) C
D) D
E) E
6) The primary detrimental effect of the presence of large amounts of biodegradable
organic materials in water is ________.
A) it causes death of bottom dwelling organisms because it agglutinates and settles to
the bottom, poisoning bottom dwelling organisms
B) it causes oxygen depletion in the water
C) it rises to the surface and absorbs wavelengths needed by aquatic plants
D) it decomposes endothermically causing the temperature of the water to decrease
below the limits within which most aquatic organisms can live
E) it causes the water to become murky
7) Determine the pH of a 0.35 M aqueous solution of CH3NH2 (methylamine). The Kb
of methylamine is 4.4 x 10-4.
A) 10.00
B) 3.86
C) 12.09
D) 1.96
E) 13.24
8) The correct name for [Ni(NH3)6](NO3)3 ________.
A) dinitrohexaamminenickel (II)
B) hexaamminenickel (III) trinitrate
C) dinitrohexaamminenickelate (III)
D) hexaamminenickel (II) nitrate
E) hexaamminenickel (III) nitrate
9) What compound in limestone and marble is attacked by acid rain?
A) hydroxyapatite
B) calcium carbonate
C) gypsum
D) graphite
E) potassium hydroxide
10) Thermodynamic Quantities for Selected Substances at 298.15 K (25 oC)
The value of S o for the formation of phosphorous trichloride from its constituent
elements,
P2 (g) + 3Cl2 (g) --> 2PCl3 (g)
is ________ J/K mol.
A) -311.7
B) +311.7
C) -263.6
D) +129.4
E) -129.4
11) The kinetic energy of a 7.3 kg steel ball traveling at 18.0 m/s is ________ J.
A) 1.2 x 103
B) 66
C) 2.4 x 103
D) 1.3 x 102
E) 7.3
12) The charge on the ________ ion is -3.
A) sulfate
B) acetate
C) permanganate
D) oxide
E) nitride
