number 2 please 2) Given the K, value for Reaction 1, calculate the value of Ke...
3. Use the provided experimental data to calculate the equilibrium constant, Ke, for the reaction given below. (7) Co3(ag)SCN (ag)CoSCN (ag) Ke-? initial concentration of Co», 1.0 × 10-3 M initial concentration of SCN: 5.0 x 10-4 M absorbance of the equilibrium mixture at 491 nm: 0.167 trendline equation for the [CoSCN2+] calibration curve: y (4.2 x 103)x +0.0074 What, if anything, will happen to saturated PbBr2 solution if more Br ions are added to the solution? Explain your answer....
3. Use the provided experimental data to calculate the equilibrium constant, K, for the reaction given below. Note the stoichiometry is not all 1 to 1. (7) Include the units for K Ke=? Co3+(aq) + 2SCN-(aq) = Co(SCN)2(aq) 5.0 ml of 0.10 M CO(NO3)3 was mixed with 5.0 ml of 0.050 M KSCN The absorbance of the equilibrium mixture at 491 nm was 0.157. The linear regression equation for the (Co(SCN)2-) calibration curve was: y = (4.3 x 103)x +...
Will a precipitate occur in a solution that is initially 1.30 x 10-5 M Co+2(aq) and 2.48 x 10-5 M CO3-2(aq)? Ksp = 1.4 x 10-13 CoCO3(s) ↔ Co+2(aq) + CO3-2(aq) Please show all work, thank you!
Use the data given to calculate the value of Κ for the reaction at 5°C Ag+(aq) + Cl− (aq) AgCl(s) AgCl(s) Ag+(aq) Cl− (aq) S° (J K−1 mol−1) 96.2 72.68 56.4 ΔH°f (kJ/mol) −127.07 105.58 −167.2 a. 5.7 × 109 b. 1.0 c. 3.7 × 1010 d. 1.3 × 106 e. 1.9 × 1012
Constants The following values may be useful when solving this tutorial. Constant Value E∘Cu 0.337 V E∘Ni -0.257 V R 8.314 J⋅mol−1⋅K−1 F 96,485 C/mol T 298 K Part A In the activity, click on the E∘cell and Keq quantities to observe how they are related. Use this relation to calculate Keq for the following redox reaction that occurs in an electrochemical cell having two electrodes: a cathode and an anode. The two half-reactions that occur in the cell are...
What is the effect of adding carbon monoxide (at constant volume and temperature) to an equilibrium mixture of this reaction? CO(g) + Cl2(9) COCl2(g) The reaction slows down. The reaction shifts toward the products. The reaction does not shift in either direction. O The reaction shifts toward the reactants. The equilibrium constant for this reaction is Keq 1.0 x 103. The reaction mixture at equilibrium contains [A] = 1.0 x 10-4 M. What is the concentration of B in the...
At 457 K, this reaction has a Ke value of 0.0489. Calculate p at 457 K. Number Note that the pressure is in units of atmosphere (atm) K-
Hi. can some one please explain me the solution for this question. the correct answer is D. thanks. i am asking for Q 2. sorry for many pictures. Questions 1& 2 refer to the solubility of lead chromate, PbCrO4 PbCrO4(s) Pb (aq) CrO4(aq) 2+ The Ksp for PbCrO4 is 2.0 x 1016 at 25 °C. What is the solubility of PbCrO4 in mol L1? 1. a) 1.4 x 108 b) 2.8 x 108 c) 2.0 x 10-16 d) 7.1 x...
What would be the K value for the overall equilibrium expression given the contributing expressions: CuCO3 (s) ↔ Cu2+ (aq) + CO32- (aq) Ksp = 2.5×10-10 Cu(NH3)42+ (aq) ↔ Cu2+ (aq) + 4NH3 (aq) K = 2.0×10-13 Overall expression: CuCO3 (s) + 4NH3 (aq) ↔ Cu(NH3)42+ (aq) + CO32- (aq) K = ? 2.502×10-10 1.25×103 5.0×10-23 8.0×10-4 1.4×10-8
2 points The reaction below has a K-3.64 10. What is the value of Ke for this reaction at 25 "C? 2 NaN, (s) = 2 Na (s) + 3 N, (a) Ko K. (RT) R 0.08206 L-atm/K-mol 2 points QUESTION 16 The reaction below initially contains Px. -2.24 atm and Prz - 4.27 alm. If the equilibrium Px4 = 1.90 atm, determine the equilibrium constant (K) for the reaction. Xe (g) + 2 F2 (g) = XaF4 (g)