Actual Exam 1 fall 2004 Answers

Actual Exam 1 fall 2004 Answers - CHEM 105 Exam I Fall 2004...

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CHEM 105 – Exam I Fall 2004 Name: ________________________________________ 1) Provide the requested information for each of the following: (15 points total) A cadmium ion with mass number of 114. P __48_________ N ____66_______ E _____46_____ Atomic Symbol ______Cd_________ An Te ion with 77 neutrons P ____52_______ Mass number _____129______ E ___54________ Atomic Name ___Tellurium____________ A neutral antimony-120 atom P _____51______ N ____69_______ E ______51_____ Atomic Symbol ______Sb_________ 1
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2) Provide the name or formula, as appropriate for the following: (15 pts total) H 3 PO 4 (aq) Phosphoric acid YbSO 3 Ytterbium(II) sulfite PO 4 phosphorus tetraoxide NH 4 F Ammonium fluoride Silver chlorate AgClO 3 Acetic acid CH 3 COOH Lead (IV) carbonate Pb(CO 3 ) 2 3) Write a balanced chemical equation (including physical states) for the reaction of solid Rhenium (III) carbonate with aqueous hydrochloric acid to form aqueous Rhenium (III) chloride, gaseous carbon dioxide, and liquid water. (10 pts total) Re 2 (CO 3 ) 3 (s) + 6HCl(aq) 2ReCl 3 (aq) + 3CO 2 (g) + 3H 2 O(l) 2
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4) If 30.6714 grams of C reacts with 3.2178 grams of hydrogen, 17.8932 grams of
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This test prep was uploaded on 04/20/2008 for the course CHEM 105 taught by Professor F during the Fall '05 term at Grove City.

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Actual Exam 1 fall 2004 Answers - CHEM 105 Exam I Fall 2004...

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