What is the reaction quotient (Q) for the equilibrium CuSCN(s) Cu^+ (aq) + SCN^- (aq) when...
Question 9 1 pts What is the reaction quotient (Q) for the equilibrium TISCN(s) Tit(aq) + SCN*(aq) when 0.1837 L of 1.265 x 10-2 M Tit is combined with 0.1335 L of 4.216 x 10-4 M SCN" in the presence of an excess of TISCN(s)? O 1.3 x 10-6 5.333 x 10- 1.308 x 10-6 4.123 x 10-6 0 5.366 x 10-6
34. What is the reaction quotient, Q, for the equilibrium CuCl(s) = Cut(aq) + Cl-(aq) when 0.3746 L of 4.359 x 10-4M Cut is combined with 0.4926 L of 8.718 x 10-4M Cl- in the presence of an excess of CuCl(s)?
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What is the approximate concentration of free Cu* ion at equilibrium when 1.57x102 mol copperII) nitrate is added to 1.00 L of solution that is 1.380 M in NH3. For [Cu(NH3)4j2, Kf 2.1 1013 [Cu2 м What is the approximate concentration of free Fe2* ion at equilibrium when 1.42x102mol iron(II) nitrate is added to 1.00 L of solution that is 1.38so M in CN. For [Fe(CN)6]4, Kf=1.0x1035 [Fe"]= In the presence of excess OH, the Al*(aq) ion forms...
Excess NaHCO3(s) is added to 535 mL of Cu(NO3)2(aq) 0.240 M for the reaction Cu(NO3)2(aq)+2NaHCO3(s)→CuCO3(s)+2NaNO3(aq)+H2O(l)+CO2(g). a)How many grams of NaHCO3(s) the will be consumed? b)How many grams of CuCO3(s) will be produced?
G-10 Assume the equilibrium constant K 1 for a reaction A + B 2 C. You prepare a solution that has the following initial concentrations. For each solution, calculate the reaction quotient Q and state if the concentrations of reactants and products will (increase, decrease, or stay the same). a) [A] 1 M, [B] 1M, [C] 2 M. b) [A] 2 M, [B] 1 M,(C] 1 M. Answers: Q 4 >K, [A, B] increase, [C] decreases Q=0.5 < K, [A,...
For the reaction: PbCl2(s) - Pb2+ (aq)+2C1! (aq), what is Q* when 9.0 mL of 0.029 M lead nitrate is added to 15 mL of 0.012 M sodium chloride? Ksp of lead chloride is 1.6 x 10-5 Hint given in general feedback * Recall: Q is compared to Ksp to determine whether a precipitate forms. Answer:
. AT&T 8:47 PM 67% Exit In the reaction 3Cu(s) + 8HNO3(aq) → 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g) 6.3 g of Cu and 100.0 mL of 1.0 M HNO3 are combined. Which of the following statements is true? O 0.080 mol H2O is produced O Cu and HNO3 are present in stoichiometric amounts; neither is in excess. O Cu is the limiting reagent, and 0.062 mol HNO3 does not react. O HNO3 is the limiting reagent, and 0.062 mol Cu...
Consider the following unbalanced redox reaction. Cr2O2−7(aq)+Cu(s)→Cr3+(aq)+Cu2+(aq) Part A Balance the equation: αCr2O2−7(aq)+βH+(aq)+γCu(s)→δCr3+(aq)+ϵH2O(l)+κCu2+(aq) Give your answer as an ordered set of numbers α, β, γ, ... Use the least possible integers for the coefficients. Part B Determine the volume of a 0.950 M K2Cr2O7 solution required to completely react with 5.15 g of Cu.
For the reaction: PbCl2(s) → Pb2+ (aq) + 2Cl(aq), what is Q* when 5.6 ml of 0.043 M lead nitrate is added to 20 ml of 0.022 M sodium chloride? Ksp of lead chloride is 1.6 x 10-5 M3. Hint given in general feedback "Recall: Q is compared to Ksp to determine whether a precipitate forms. Answer: Answer:
For the reaction: PbCl2(s) Pb2 (aq)+2CI1- (aq), what is Q* when 2.0 mL of 0.051 M lead nitrate is added to 18 mL of 0.012 M sodium chloride? Ksp of lead chloride is 1.6 x 10-5 M3 Hint given in general feedback Recall: Q is compared to Ksp to determine whether a precipitate forms. Answer: