Sample Test 1
Test no. 1 will consist of 14 multiple choice questions of the type below and three problems to be worked
fully. The problems will be of the type that were assigned for homework. One or more will be directly
from the homework sets. NOTE: DISPLACEMENT REACTIONS (PROBLEM 14) WILL NOT BE ON
THIS TEST. WILL BE ON THE NEXT ONE.
Ch. 1
1.
The volume of a 10.0% glucose solution is 8.25 mL. Its density is 1.039 g/mL. What
mass does the solution have?
a. 8.25 g
b. 8.57 g
c. 0.0857 kg
d. 0.00825 kg
e.
825 mg
2.
Liquid hydrogen boils at –253°C. What is its boiling point on the Kelvin scale?
a. 20.K
b. 30. K
c. 126 K
d. 426 K
e.
526 K
3.
The heat of combustion of benzoic acid is –26.4 kJ/g. What is the heat of combustion
expressed in joules per kilogram?
a. –2.64 x 10
1
J/kg
b. –2.64 x 10
3
J/kg
c. –2.64 x 10
4
J/kg
d. –2.64 x 10
7
J/kg
e.
–2.64 x 10
10
J/kg
4.
The melting point of gold is 1338 K. This corresponds to
a. 1055°C.
b. 1661°C.
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 Fall '07
 Davidovits
 b. c. d.

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