Practice Exam 2

Practice Exam 2 - 1 Chemistry 105 B PLEASE PRINT YOUR NAME...

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Unformatted text preview: 1 Chemistry 105 B PLEASE PRINT YOUR NAME IN BLOCK LETTERS Practice Exam 2 Name: __________________________________ Last 4 Digits of USC ID:____ ____ ____ ____ Dr. Jessica Parr Lab TAs Name: _________________________________ Question Points Score Grader 1 10 2 10 3 8 4 10 5 10 6 14 7 10 8 10 9 8 10 10 Total 100 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. If necessary, please continue your solutions on the back of the preceding page (facing you). 3. YOU MUST use black or blue ink. (No pencil, no whiteout, no erasable ink.) 4. There are 10 problems on 10 pages. Please count them before you begin. A periodic table and some useful equations can be found on the last page. 5. Good luck!! =) First Letter of last Name 2 1. (10 pt) Determine whether the following statements are true or false. Correct the false statements. a. When covalent oxides are dissolved in water basic solutions result. True or False b. pH + pOH = 14 at all temperatures. True or False c. K a K b = K w at all temperatures. True or False d. When hydroxide ions are added to a solution buffered with ammonia molecules and ammonium ions, the ammonia concentration will increase and the ammonium concentration will decrease. True or False e. The solubility of AgCl will be different in pure water than in a solution with a pH of 4.5....
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Practice Exam 2 - 1 Chemistry 105 B PLEASE PRINT YOUR NAME...

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