Exam 1 (blue)

Exam 1 (blue) - CHEM 184 Fall, 2007 Hour Exam 1 (Blue)...

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CHEM 184 – Fall, 2007 Hour Exam 1 (Blue) September 13, 2007 Instructions: Your scantron answer sheet must show your NAME , STUDENT 7-DIGIT KUID NUMBER , and LAB SECTION . (Begin these entries at the LEFT end of the space provided.) In answering the questions, be careful to fill in the corresponding circles on the answer sheet according to the number of the question on the exam. USE A SOFT (No. 2) PENCIL. Note that a periodic table of the elements is attached at the end of the exam. Useful information: Avogadro’s constant N A = 6.02 x 10 23 mol -1 1. The SI prefixes giga - and micro - represent, respectively: A. 10 – 9 and 10 – 6 B. 10 6 and 10 – 3 C. 10 3 and 10 – 3 D. 10 9 and 10 – 6 E. 10 – 9 and 10 – 3 2. The diameter of an atom is approximately 1 x 10 - 8 cm. How many picometers is this? A. 1000 pm B. 100 pm C. 10 pm D. 0.01 pm E. 0.001 pm 3. 2.4 km is how many millimeters ? A. 2,400 mm B. 2.4 × 10 4 mm C. 2.4 × 10 5 mm D. 2.4 × 10 6 mm E. 2.4 × 10 – 5 mm 4. The density of mercury is 13.6 g/mL. What mass of mercury will occupy a volume of 3.00 L? A.
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This note was uploaded on 07/05/2008 for the course CHEM 184 taught by Professor Hierl during the Fall '07 term at Kansas.

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Exam 1 (blue) - CHEM 184 Fall, 2007 Hour Exam 1 (Blue)...

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