KEY_Exam 1_b - KEY Chemistry 102 Exam 1 September 29, 2009...

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1 Chemistry 102 Exam 1 September 29, 2009 Name Printed: ____________________________________________ ID # _________________________ Academic Honesty Statement : Please read the following statement and sign if applicable. Exams missing a signature are incomplete and will be graded as such. “This exam is an honest representation of my knowledge. I did not use any non-permitted materials or other dishonest means when answering these questions.” _________________________________________________ Date______________ KEY
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2 Multiple Choice & True/False – Each question in this section is worth 3 points For each of the following questions, select the correct answer. Write your answer on the answer sheet. 1) True or false – all scientists, regardless of discipline make observations a) True b) False 2) True or false – All scientific thought must firmly adhere to the processes defined by the scientific method in order to be regarded as ‘real’ science. a) True b) False 3) The form of logic that involves abstraction and is used to form hypotheses based on observations is called a) Deductive reasoning b) Forecast reasoning c) Abdicative reasoning d) Inductive reasoning 4) A biological psychology student is observing monkey behavior at the Henry Vilas Zoo in Madison. The student observes that a baby monkey enters a pool of water 150 times during the eight hour observation session. How many significant figures are in this counted number? a) One b) Two c) Three d) Four 5) How many micrometers are in 16.74 kilometers? a) 1.674000 x 10 10 μm b) 1.674000 x 10 7 mm c) 1.674 x 10 10 μm d) 1.674 x 10 10 mm 6) You have 28.070 dekagrams (dag) of powdered magnesium. The density of magnesium is 1.73g/cm 3 . What volume of magnesium powder do you have? a) 1.6225 x 10 2 cm 3 b) 1.62 x 10 2 cm 3 c) 1622 cm 3 d) 1.62 x 10 3 cm 2 Really, counted numbers have infinite number of significant figures. This is a mistake on the exam and points will be adjusted accordingly.
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3 7) The smallest unit of the element nitrogen is the a) nitrogen atom b) nitrogen ion c) proton d) electron 8) Which of the following can influence physical state
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This note was uploaded on 10/11/2009 for the course CHE 102 taught by Professor Maggie during the Fall '09 term at Wisc Whitewater.

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KEY_Exam 1_b - KEY Chemistry 102 Exam 1 September 29, 2009...

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