Exam 1 Fall 2005 ANSWERS

Exam 1 Fall 2005 ANSWERS - CHEM 105 Exam I Fall 2005 Name:...

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CHEM 105 – Exam I Fall 2005 Name: ___Answer Key_____________________________________ 1) Provide the requested information for each of the following: (15 points total) The halogen in the third row with two more neutrons than protons. P ___17________ N ____19_______ E _____17_____ Atomic Name ____Chlorine___________ A Silver-106 ion P __47_________ Mass number ______106_____ E ___46________ Atomic Symbol _____Ag_________ A Rheniumn (III) ion with a mass number of 188 P __75_________ N ____113_______ E ____72______ Atomic Symbol: ____Re___________ 1
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2) Provide the name or formula, as appropriate for the following: (15 pts total) Thulim (II) hypochlorite Tm(ClO) 2 CdSO 3 Cadmium Sulfite InBr 2 Indium (II) Bromide HCl Hydrochloric Acid Ammonium hydrogen phosphate (NH 4 ) 2 HPO 4 PO 4 Phosphorus tetroxide TlSO 4 Thallum (II) Sulfate 3) Write a balanced chemical equation (including physical states) for the reaction of aqueous K 3 PO 4 and aqueous NiSO 4 to form solid Ni 3 (PO 4 ) 2 and aqueous potassium sulfate. (10 pts total) 2K 3 PO 4 (aq) + 3NiSO 4 (aq) Ni 3 (PO 4 ) 2 (s) + 3K 2 SO 4 (aq) 2
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4) Consider a 2.1 Liter automobile engine.
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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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Exam 1 Fall 2005 ANSWERS - CHEM 105 Exam I Fall 2005 Name:...

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