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In this experiment, we will be studying the reaction of the iron(III) ion with the thiocyanate...
Iron thiocyanate (FeSCN2+) is a complex ion that appears orange-red in solution. Iron(III) (Fe3+) and thiocyanate...
Iron thiocyanate (FeSCN2+) is a complex ion that appears orange-red in solution. Iron(III) (Fe3+) and thiocyanate (SCN-) are both colorless in solution. FeSCN2+ (aq) --(equilibrium)-- Fe3+ (aq) + SCN- (aq) a) If you add Fe(NO3)3 to a solution of these ions at equilibrium, in which direction will the reaction run to reach a new equilibrium? b) Silver ions react with thiocyanate ions to form a white precipitate. If you add silver ions to a solution of these ions at equilibrium,...
2. If the reaction between iron(III) ion and thiocyanate ion yielded an equilibrium concentration of 0.30...
2. If the reaction between iron(III) ion and thiocyanate ion yielded an equilibrium concentration of 0.30 M for each of these ions, what is the equilibrium concentration of the red iron(III)-thiocyanate complex? (Hint: The equilibrium constant for the reaction is in the Background section.) Show your work 3. In the reaction below, NH3(g) + H2O(1) - NH; +H30+ the equilibrium constant is 10-34. Is this reaction likely to take place? Explain your answer. iron(III) and thiocyanate ions, the equilibrium expression...
The following data were taken to determine the equilibrium constant of the Iron(III)-Thiocyanate Complex Ion:...
The following data were taken to determine the equilibrium constant of the Iron(III)-Thiocyanate Complex Ion: Tube .00200 M KSCN (ml) .00200 M Fe(NO3)3 (ml) Absorbance 2 8 2 .480 4 5 5 .720 6 2 8 .448 The product of eb = 6120 L/mol. Determine the [Fe(SCN] in tube 2 Determine what the concentration of the Iron(III) in tube 2 would be if none of it reacted. Determine what the concentration of the thiocyanate ion in tube 2 would...
prelab /postlab all questions please Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq)...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
In a dilute nitric acid solution, Fe3+ reacts with thiocyanate ion (SCN−) to form a dark...
In a dilute nitric acid solution, Fe3+ reacts with thiocyanate ion (SCN−) to form a dark red complex: [Fe(H2O)6]3+ + SCN− ⇌ H2O + [Fe(H2O)5NCS]2+ The equilibrium concentration of [Fe(H2O)5NCS]2+ may be determined by how dark the colored solution is (measured by a spectrometer). In one such experiment, 1.0 mL of 0.20 M Fe(NO3)3 was mixed with 1.0 mL of 9.2 ×10−3M KSCN and 8.0 mL of dilute HNO3. The color of the solution quantitively indicated that the [Fe(H2O)5NCS]2+ concentration was...
Like iron, nickel will also form a complex ion with thiocyanate at 25 °C, according to...
Like iron, nickel will also form a complex ion with thiocyanate at 25 °C, according to the reaction: Ni2+(aq) + 3 SCN- (aq) ←→ [Ni(SCN)3] - (aq) K = 65 a) (3 marks) Calculate ΔrxnG° for this reaction. I've figured part a out, i got an answer of -10.34kJ/mol, i just need help with part b b) (3 marks) Calculate ΔrxnG for this reaction when [Ni2+] = 0.010 mol/L, [SCN- ] = 0.020 mol/L, and [Ni(SCN)3 - ] = 0.060...
(10 pts) The iron content of a well water sample is determined by UV-Vis spectroscopy. A...
(10 pts) The iron content of a well water sample is determined by UV-Vis spectroscopy. A 10.00 mL aliquot of well water is transferred to a 100.0-mL volumetric flask and 20 mL of 0.10 M nitric acid is added to oxidize iron (II) to iron (II). Next 30 mL of a 0.1 M sodium thiocyanate solution is added to form the deep red complex iron (II) thiocyanate. The solution is diluted to volume with DI water. A reagent blank is...
D. Questions: Common Ion Effect on a Chemical System Common Ion Effect on a Chemical System...
D. Questions: Common Ion Effect on a Chemical System Common Ion Effect on a Chemical System - Fe3+(aq) + SCN (aq) [Fe(SCN)]2+ (aq) 1. a. What evidence do you have that the equilibrium shifted when additional iron(III) chloride was added to the test solution made from iron(III)chloride and potassium thiocyanate? n o too . b. In which direction did the equilibrium shift? Explain. c. Which ion created the stress on the system that caused the equilibrium to shift?
Write a balanced chemical equation for the reaction of aqueous iron(III) ion with aqueous thiocyanate ion....
Write a balanced chemical equation for the reaction of aqueous iron(III) ion with aqueous thiocyanate ion. Be sure to include phase symbols. balanced chemical equation:
PLEASE HELP ME! ASAP PLEASE!! If you need anymore information, please ask. This is what we...
PLEASE HELP ME! ASAP PLEASE!! If you need anymore information,
please ask. This is what we were given and I am having trouble!
1) Saturated Sodium Chloride Solution Equilibrium System: Observations upon addition ofHCI: white precipitate In which direction did this stress cause the equilibrium system to shif? Left or Right Which ion caused the shift? Explain. 2) Acidified Chromate Solution Equilibrium System: Observations upon addition ofHNO:: solution becomes orange Left or Right In which direction did this stress cause...
2. If the reaction between iron(III) ion and thiocyanate ion yielded an equilibrium concentration of 0.30 M for each of these ions, what is the equilibrium concentration of the red iron(III)-thiocyanate complex? (Hint: The equilibrium constant for the reaction is in the Background section.) Show your work 3. In the reaction below, NH3(g) + H2O(1) - NH; +H30+ the equilibrium constant is 10-34. Is this reaction likely to take place? Explain your answer. iron(III) and thiocyanate ions, the equilibrium expression...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
(10 pts) The iron content of a well water sample is determined by UV-Vis spectroscopy. A 10.00 mL aliquot of well water is transferred to a 100.0-mL volumetric flask and 20 mL of 0.10 M nitric acid is added to oxidize iron (II) to iron (II). Next 30 mL of a 0.1 M sodium thiocyanate solution is added to form the deep red complex iron (II) thiocyanate. The solution is diluted to volume with DI water. A reagent blank is...
D. Questions: Common Ion Effect on a Chemical System Common Ion Effect on a Chemical System - Fe3+(aq) + SCN (aq) [Fe(SCN)]2+ (aq) 1. a. What evidence do you have that the equilibrium shifted when additional iron(III) chloride was added to the test solution made from iron(III)chloride and potassium thiocyanate? n o too . b. In which direction did the equilibrium shift? Explain. c. Which ion created the stress on the system that caused the equilibrium to shift?
Write a balanced chemical equation for the reaction of aqueous iron(III) ion with aqueous thiocyanate ion. Be sure to include phase symbols. balanced chemical equation:
PLEASE HELP ME! ASAP PLEASE!! If you need anymore information,
please ask. This is what we were given and I am having trouble!
1) Saturated Sodium Chloride Solution Equilibrium System: Observations upon addition ofHCI: white precipitate In which direction did this stress cause the equilibrium system to shif? Left or Right Which ion caused the shift? Explain. 2) Acidified Chromate Solution Equilibrium System: Observations upon addition ofHNO:: solution becomes orange Left or Right In which direction did this stress cause...
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