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Regents Examinations

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Algebra
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Educator Guide to the Regents Examination in Algebra II (Common Core) May 2015 ii THE UNIVERSITY OF THE STATE OF NEW YORK Regents of The University MERRYL H. TISCH, Chancellor, B.A., M.A., Ed. D. ........................................................ New York ANTHONY S. BOTTAR, Vice Chancellor, B.A., J.D. ......................................................... Syracuse JAMES R. TALLON, JR., B.A., M.A. ................................................................................. Binghamton ROGER TILLES, B.A., J.D. .................................................................................................. Great Neck

NYS Chemistry Lab Packet

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Name________________________________________ SC_____-_____ Date___________ ACIDS AND ACID ANHYDRIDES Equipment: 3 test tubes, 1 gas collecting bottle, 1 deflagrating spoon, stopper, charcoal Materials: pH papers, phenolphthalein, red litmus paper, blue litmus paper, methyl orange, 20 mL of 3M HCl (hydrochloric acid), 10 mL 3M H2SO4 (sulfuric acid), 10mL HC2H3O2 (CH3COOH) (acetic acid), 4-5 pieces of Zn(s). Aim: What are some important properties of acids? Common household substances containing acids are vinegar (acetic acid) and lemon juice (citric and ascorbic acids). A. Test 3M hydrochloric acid (HCl) with red and blue litmus papers and pH paper as follows: Put 10 mL of water into a test tube. Add a drop of the acid. Use a glass rod to transfer a
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