USC_Chemistry_105A_Parr_Final_Key_2010

Chemistry 105 A
Final Exam
06/24/10

First Letter of last
Name

Dr. Jessica Parr

Question
1
2
3
4
5
6
7
8
9
10

Maximum points 18
8
12
12
8
10
12
10
6
6

(Sub-T)

PLEASE PRINT YOUR NAME IN BLOCK LETTERS
Name: __________________________________________
Last 4 Digits of USC ID:_____

_____

_____

_____

Lab TA’’s Name: _________________________________

Score

(102)

Grader

Question
11
12
13
14
15
16
17
18
19
20
(Sub-T)
TOTAL

Maximum points 12
10
10
10
12
12
10
8
8
6
(98)
200

Score

Grader

Please Sign Below:
I certify that I have observed all the rules of Academic Integrity while taking this examination.
Signature: __________________________________________________________________

Instructions:
1. You must show work to receive credit.
2. You MUST use black or blue ink. (No pencil, no whiteout.)
3. If necessary, please continue your solutions on the back of the preceding page (facing you).
4. There are problems on pages. Please count them before you begin. A periodic table is on the last page.
5. When time is called, stop working on your exam immediately, turn the exam over and pass it to the aisle.
6. Good luck!! =)

1

1. (18 pt)
a. A column of liquid is found to expand linearly on heating 5.25 cm for a 10.0oF rise in temperature. If the initial temperature of the liquid is 98.6oF, what will the final temperature be in o C if the liquid has expanded by 18.5 cm? TC

TF

32

5
9

b. The density of pure silver is 10.5 g/cm3 at 20oC. If 7.65 g of pure silver pellets is added to a graduated cylinder containing 11.2 mL of water, to what volume level will the water in the cylinder rise?

c. Science fiction often uses nautical analogies to describe space travel. If the starship U.S.S.
Enterprise is traveling at warp factor 1.71, what is its speed in knots and in miles per hour?
(Warp 1.71 = 5.00 times the speed of light; speed of light = 3.00