EXP I4 - Mikalah Millheim Lab Partner Ashlin Chavez EXP I4 I A There is evidence of a chemical reaction because both reactants were clear but the

EXP I4 - Mikalah Millheim Lab Partner Ashlin Chavez EXP I4...

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Mikalah Millheim Lab Partner: Ashlin Chavez EXP. I4 March 23, 2016 I. A. There is evidence of a chemical reaction because both reactants were clear but the products were very red/ orange. The SCN in this reaction was clear in the products and the iron was red. B. Test tube #2 turned blood red on the bottom of the test tube, test tube #3 was tinted orange only slightly more than #1. C. The reaction is only fractionally complete and is at equilibrium. When more product is added, there is an equilibrium shift right, causing a red color to appear. D. In the hot bath the color faded slowly from the test tube. In the ice bath, the color darkened slightly. The heat caused the ions to speed up and “bump into” one another more frequently. The forward reaction is exothermic so when heat was added to the system, the reaction favored the reactants which caused vibrant color. E. The NaF solution returned to an orange color after KSCN was added. The solution that had Fe(NO 3 ) 3 added to it had a slight yellow tint to it.
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