A student determines [FeSCN2+] is 0.00016 M at equilibrium. If the initial concentration of Fe3+ was 0.00080 M and the initial SCN- concentration was 0.0012 M, what is the measured value of Kc?

Q: A student determines [FeSCN2+] is 0.00011 M at equilibrium. If the initial concentration of Fe3+ was…

A:

Q: Consider the reaction: A + B= 2C Kc = 1.2 x 10?. If the initial concentration of [A] = 0.100 N and…

A:

Q: Copper (II) cation forms a complex ion with four ammonia molecules per the following balanced…

A:

Q: d) Calculate the concentration of free, uncomplexed Cu2+ ions in a solution that originally contains…

A: Given that: concentration of Cu2+ = 1.0×10-3 equilibrium concentration of NH3 = 0.10 M To find:…

Q: calc . the equilibruim concebtration if k = 1.2 x 10^-5 4 If 0.50 mol of NO, is placed in a 2.0L…

A: If 0.50 mol of NO2 is placed in a 2.0L flask to create NO and O2 calculate [if keq = 1.2 x 10-5.

Q: Consider the reaction: N2 (g) + 3 Br2 (g) = 2 NBr3 (g) At equilibrium, the concentrations of N2 and…

A: It represent the ratio of concentration of the product to the concentration of reactants at…

Q: What is the equilibrium molar concentration of Co3+ in a solution prepared by adding 0.1893 mol of…

A:

Q: How long will it take for the concentration of A to decrease from 0.910 M to 0.551 for the reaction…

A:

Q: For the following reaction, determine the value of Kc using the given equilibrium concentrations.…

A: Given that : The given equilibrium concentrations for the reaction is : [Co(H2O)62+] = 0.294 M [Cl-]…

Q: At a certain temperature, K = 8.30 × 10° for the reaction FESCN2+(aq) Fe3+(aq) + SCN"(aq) Calculate…

A: Given K = 8.3 × 10-4 Initial Concentration [FeSCN2+] = 2 M

Q: A(aq) + B(s) = C(aq) K = 9.40 Suppose 23.4 mol A reacts with excess B in 9.85 L of solution.…

A: Find concentration at equilibrium....

Q: 26. What is/are dominant in the reaction which is at equilibrium and with a Kc equal to 1.5 x 10-10?…

A: We have to tell which option is correct from given choices of options

Q: Consider the reaction whose K= 48.3 at a higher temperature. If an equimolar mixture of the reactant…

A: Formula used :-  Kc = [product]/[Reactant]

Q: (9) + 2 H2 S(9) C52 (9) 4 H2 (g) uilibrium mixture was analyzed and found to contain 0.44 M H2 .…

A: Equilibrium constant is the ratio of concentration of products to the ratio of concentration of…

Q: Consider the following reaction:Fe3+(aq)+SCN−(aq)⇌FeSCN2+(aq)Fe3+(aq)+SCN−(aq)⇌FeSCN2+(aq)A solution…

A: First, the Kc expression for given reaction is determined as follows,

Q: When at equilibrium at another temperature, the concentrations are respectively: HBr concentration…

A:

Q: 22. For the equilibrium, Co2+(aq)+4SCN-(aq)⇄Co(SCN)2-(aq), K=1.0x103. Which of the following…

A: Recall the given reaction and write the expression of equilibrium constant(K)      Co2+aq + 4SCN-aq…

Q: Consider the reaction: Fe* (ag) + SCN (aq) = FESCN?* (ag) A solution is made containing an initial…

A: Given: Concentration of Fe3+= 1.0×10-3MConcentration of SCN-= 8.0×10-4MConcentration of FeSCN2+=…

Q: What is the equilibrium molar concentration of Cu+ in a solution prepared by adding 0.1558 mol of…

A: The reaction is as follows Cu+(aq) +     2CN-(aq)       [Cu(CN)2]-(aq)

Q: 4. You have a test tube in which the following equilibrium is established. Fe3+ (ag) + SCN (ag)…

A: Given: Fe3+(aq)+SCN-(aq)↔FeSCN2+(aq)

Q: Consider the reaction between Fe* and NCs ions. The equilibrium constant for this reaction is 620.4.…

A: Given that : Equilibrium constant Kc = 620.4 Volume of Fe+3 = 10 mL molarity of Fe+3 = 0.05 M Volume…

Q: Determine K for 2 Fe+ 3 0 3 0% 1.13x10 * C K = 1.00x10-²1.00x10 1.00x1014 A + B %3D C + B D K =…

A:

Q: For the equilibrium, Co2+(aq)+4SCN-(aq)⇄Co(SCN)2-(aq), K=1.0x103. Which of the following conditions…

A: The chemical reaction at equilibrium is as follows: Co2+(aq)+4SCN-(aq)⇄Co(SCN)2-(aq) The equilibrium…

Q: Consider the equilibrium, 2A + B  C . At equilibrium, the following concentrations are measured:…

A: Kc can be defined as the ratio of concentration of products and concentration of reactants at…

Q: d) Calculate the concentration of free, uncomplexed Cu²+ ions in a solution that originally contains…

A: As here already mentioned that I have to solve only Part- D of question -2 so I am solving this…

Q: For the equilibrium, Co2+(aq)+4SCN-(aq)⇄Co(SCN)2-(aq), K=1.0x103. Which of the following conditions…

A:

Q: In the equation (red + white à pink), which equation below allows you to determine the equilibrium…

A:

Q: You have a test tube in which the following equilibrium is established. Fe* (aq) + SCN (ag) = FESCN*…

A: Since, the equilibrium  is established so by adding common ion will disturb the equilibrium. We have…

Q: Consider the equilibrium below A2lg) + B2lg) 2AB(g) where Kc = 57.7 If the following are the…

A: The given chemical reaction as follows,A2(g)+B2(g)⇌2AB(g)the equilibrium constant for the above…

Q: What is the initial concentration of Ni(NO3)2 in the solution? M What is the equilibrium…

A:

Q: How long will it take for the concentration of A to decrease from 0.910 M to 0.205 for the reaction…

A: The initial concentration of the reactants is = 0.910 M  The final concentration of the reactants is…

Q: At 503 K the equilibrium constant Kc for the dissociation of N2O4, N2O4(g) ⇄ 2 NO2(g) has the…

A: Since,Concentration = No. of molesVolume

Q: A student ran the following reaction in the laboratory at 534 K: CoCI2 (g) co (g) + Cl2 (g) When she…

A:

Q: Carbonyl bromide decomposes to carbon monoxide and bromine: COBr2 (g) ⇌ CO(g) + Br2 (g) Kc = 0.190…

A: For the given equilibrium reaction:                           COBr2(g)     ⇌  CO(g)   +   Br2(g)…

Q: Une mole of a weak acid, HA, was dissolved in 1.8 L of solution. After the system had come to…

A: We have to calculate the dissociation constant of acid.

Q: A2 (g) + B2 (g) ⇌ 2 AB (g) If the value of Kc for this reaction is 116.4, and the initial…

A: Equilibrium  constant is the ratio of product of concentration  of product  to the product of…

Q: 1. For the equilibrium reaction below, K = 0.125 A(g) + 2B(g) ⇌ 4C(g) What is the value of the…

A:

Q: Consider the reaction between Fe* and NCs ions. The equilibrium constant for this reaction is 620.4.…

A: Given is in a reaction between Fe+3 and NCS-, Kc = 620.4 Volume of Fe+3 = 10 mL molarity of Fe+3 =…

Q: 3. Assume that the reaction studied is actually: Fe³+ (aq) + 2SCN- (aq) → Fe(SCN)₂+ (aq) a. What is…

A:

Q: Consider the reaction: N₂ (g) + 3 Br₂ (g) ⇌ 2 NBr₃ (g) At equilibrium, the concentrations of N₂ and…

A: Given, N₂ and Br₂ are 0.34 M and 0.70 M NBr₃ is 0.090 M

Q: A 6.42% (w/w) Fe(NO3)3 solution has a density of 1.059 g/mL. (MM of Fe(NO3)3 = 241.86 g/mol).…

A:

Q: 0.268 mol AgNOz and 3.10 mol NH, were added to enough water to give 1.00 L of solution at 25 °C.…

A: We have to calculate the concentration of free silver ion in solution.

Q: In an analysis of interhalogen reactivity, 0.500 mol of ICl was placed in a 5.00-L flask, where it…

A:

Q: n a 5.00 liter container, 0.002 moles of phosgene are introduced. Calculate the equilibrium…

A: Given that : The number of moles of phosgene = 0.002 moles The volume of the container = 5.00 L…

Q: 20. 1.25 moles of NOCI were placed in a 2.50 L reaction chamber at 427°C. After equilibrium was…

A:

Q: At 503 K the equilibrium constant K. for the dissociation of N2O4, N2O4(g) 2 2 NO2(g) has the value…

A: Given : Kc = 40 Moles of N2O4 = 1 mole Volume of solution = 10 L

Q: onsider the following reaction: p(g) + B2(g) → 2 AB(g) AH°rxn=-8.06 kJ mol1 he equilibrium constant,…

A: Equilibrium constant is directly proportional to the temperature

Q: In an analysis of interhalogen reactivity, 0.420 mol of ICl was placed in a 5.00−L flask, where it…

A: During a reversible reaction process there comes a state at which the rate of forward reaction…