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exp 11 - Experiment 11 A Simple Covalent Compound Synthesis...

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Experiment 11: A Simple Covalent Compound: Synthesis and Properties Taylor MacDonald 2/7/08 Thursday Section 402 Upul Ranaweera Group 34 Introduction: The objective of Experiment 11 is to compare the properties of come molecular and ionic compounds. This will be accomplished by testing the melting and boiling points of some compounds, testing the solubility of the compounds in different solutions, including water, as well as performing the synthesis of tin(IV) iodide and testing its properties as well. The results should reinforce that compounds with covalent bonding that are made of molecules have much lower melting and boiling points than that of ionic compounds. Also that molecular compounds are more likely to be soluble in liquids other than water and ionic compounds are likely to be
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soluble in only water if they are soluble at all. Some topics that are being covered in this lab that are similar to lecture include the properties of ionic and covalent bonds as well varying melting and boiling points of different compounds. Lab techniques used included properly using a laboratory balance, precise measurement with liquids, using compressed air to decant a solution, as well as proper use of the Bunsen burners. Experimental Procedure: The procedure followed was that given in the lab manual: Sprague, Alexander, Padolik & Steffel, Laboratory Experiments for First Year Chemistry, 3 rd ed. pp. 11-1 to 11-5, except we
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