09sp-CHM1025C-e1018x02a

09sp-CHM1025C-e1018x02a - University of North Florida CHM...

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University of North Florida CHM 1025C, Introduction to Chemistry Exam 2 Spring 2009 2 March 2009 Instructions: Keep your exam book closed until given the signal to begin. The time allotted for this examination is 50 minutes; this exam ends at 12:50 pm . No extra time will be given to transfer answers to the brown scantron. NO CALCULATORS are allowed on this exam. Turn off all electronic devices. Please turn around or remove your hats/caps so that your entire face may be seen. The first few pages include some potentially helpful information and the periodic table. There are two parts to this exam. o For part I, completely fill in the bubbles for your answers on the brown scantron. Only your first and last names need to be written on the scantron. o For part II, show all your work for full and/or partial credit. Make sure your first and last names are written on all the pages of part II. At the end of the exam, hand in the brown scantron and partial credit portion before leaving the room. Please remove the staple from the partial credit portion. You may keep the multiple choice questions. Potentially helpful information 1 in = 2.54 cm (exactly) 1 mi = 5280 ft (exactly) 1 km = 0.62137 mi 1 lb = 453.59 g 1 cm 3 = 1 mL (exactly) 1 qt = 946.34 mL 1.0567 qt = 1 L 4 qt = 1 gal (exactly) q = heat = sp ht × m × Δ T sp ht water = 1.00 cal/g· ° C = 4.184 J/g· ° C 1 cal = 4.184 J (exactly) ° C = ( 5 / 9 ) ( ° F – 32) ° F = 9 / 5 ° C + 32 K = ° C + 273.15 N = 6.02 × 10 23 /mol
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Exam 2 page 2 of 9 Soluble (aqueous) ionic compounds Important exceptions (solids) ammonium, alkali metals nitrates, acetates chlorides, bromides, iodides sulfates none none silver, mercury (I), and lead (II) cations strontium, barium, mercury (I), and lead (II) cations Insoluble (solid) ionic compounds Important exceptions (aqueous) carbonates, phosphates, and chromates (CrO 4 2- ) sulfides, hydroxides ammonium and alkali metal cations ammonium, alkali metal, calcium, strontium, and barium cations
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Exam 2 page 3 of 9 Part I. Problems 1 – 40 are worth 1.2 points each. The maximum value for this part is 48 points. Unless otherwise specified, each problem has ONE BEST ANSWER. Write the answers on the BROWN SCANTRON. 1. This is exam version [a]. For 1 point, completely fill in the bubble for just the letter [a]. 2.
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This note was uploaded on 07/10/2011 for the course CHM 2045 taught by Professor Eng during the Fall '10 term at UNF.

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09sp-CHM1025C-e1018x02a - University of North Florida CHM...

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