CH 201 Final Exam 2009

CH 201 Final Exam 2009 - Chemistry 201 Final Exam Fall 2009...

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Chemistry 201 Fall 2009 Oregon State University Final Exam December 9 Drapela DO NOT OPEN THIS EXAM UNTIL INSTRUCTED Instructions: 1. Fill in the front page of the Scantron answer sheet with your last name, first name, and middle initial. Fill in the circles for all letters. 2. Fill in the identification number section with your OSU Student Identification number (beginning with 9). Fill in the circles for each number. 3. Leave the test form number blank. 4. Fill in the class section number , and pencil in the circles: 8am = section 001 10am = section 003 Noon = section 002 This exam consists of 40 multiple-choice questions. Each multiple-choice question is worth 5 points. Select the best multiple-choice answer by filling in the corresponding circle on the rear page of the answer sheet. P a = X a ·P total R H = 0.01097 nm -1 X a = moles a /moles total M 1 V 1 = M 2 V 2 E = h ν c = λ · ν c = 3.00 x 10 8 m/s h = 6.626 x 10 -34 J . s 1 mol of gas at STP = 22.4 L R (gas constant) = 0.0821 L·atm/mol·K Avogadro’s Number = 6.02 x 10 23 1/ λ = R H [(1/n 1 2 ) – (1/n 2 2 )] PV = nRT 0 ˚C = 273 K P 1 V 1 /T 1 = P 2 V 2 /T 2 101,325 Pa = 1 atm = 760 torr
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1. Which of the following is a name for an atom which is missing an electron? a. cation b. neutron c. compound d. molecule e. anion 2. Human body temperature is 98.6 o F. What is this in Celsius? a. 23 o C b. 29 o C c. 37 o C d. 44 o C e. 52 o C 3. How many significant figures are present in 0.060450? a. 3 b. 4 c. 5 d. 6 e. 7 4. Gold has a density of 19.3 g/mL. If gold sells for $1,200/troy oz, and there are 434 g in a pound, 14.58 troy ounces in a pound, and 2.54 cm in an inch, how much is a 1.0-in cube of gold worth? a. $740 b. $990 c. $1,400 d. $2,900 e. $13,000 5. What is the identity of an element which contains 4 protons and 5 neutrons? a.
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CH 201 Final Exam 2009 - Chemistry 201 Final Exam Fall 2009...

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