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Fe3 (aq) SCN-(aq) FeSCN2 (aq) 1. Write theequilibrium constant expression for the reaction if the equilibriumconstant is 78. 2. Does the equilibrium mixture contain moreproducts or reactants? 3. If more SCN- is added to the equilibriummixture, will the red color of the mixture intensify or lessen?Explain.
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SOLVED: Calculate the equilibrium constant for the reactionbetween Fe2 (aq) and Mn(s).Express your answer to two significant figures. K=?
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The Determination of an Equilibrium Constant DATA ANALYSISName:Lab Section:Calculating Equilibrium ConcentrationsA common method that is used to organize and calculate the concentrations of the species in an equilibrium system is colloquially known as an LCE chart: "LCE" stands for Initial concentration, Change in concentration, and Equilibrium concentration. The initial concentrations of the Fe3 and the SCN- ions can be calculated from the mixing chart in Part I, Step 10. You have already dete
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SOLVED: Consider the equilibrium reaction below, which competes with the formation of the FeSCN2 complex: Fe3 4Cl- ⇌ FeCl4- (aq) (aq) (aq) (yellow) (colorless)This solution would appear pale yellow as it contains both the yellow Fe3 and colorless FeCl4-. Explain what would happen to the color of the above solution if:a) you added a solution containing silver ion, Ag (Silver ion reacts with chloride ion in solution to form the precipitate AgCl)b) you added a solution of sodium chloride, N
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SOLVED: If the reaction between iron(III) ion and thiocyanate ion,Fe3 (aq) SCN-(aq) ⇋ FeSCN2 (aq), yielded an equilibriumconcentration of 0.15 M for each of the two ions, what is theequilibrium concentration of the red iron(III)-thiocyanate complexion, FeSCN2 ? (HINT: the equilibrium constant for the equilibriumis in the Background section in the lab manual.) Show ALL of yourwork.
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SOLVED: The equilibrium concentrations for the following reaction are given in the table. Fe3 (aq) NCS-(aq) = FeNCS2 (aq). What is the value of Keq at the temperature these equilibrium concentrations were determined?Substance Fe3 (aq) NCS-(aq) FeNCS2 (aq)Equilibrium Concentration 0.25 M 10.15 M 0.45 M0.0830.271201.1
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