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Given the equilibrium concentrations of [FeSCN2+] = 6.55 x 10-4 M, [Fe3+] = 8.39 x 10-4 M, and [SCN-] = 2.28 x 10-3M, calculate the value of Keq.
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- Given the equilibrium concentrations of [FeSCN2+] = 6.55 x 10-4 M, [Fe3+] = 8.39 x 10-4 M, and [SCN-] = 2.28 x 10-3 M, calculate the value of Keq.Calculate the equilibrium constant, Kc, of the reaction: HCO3-(aq) + HCO3-(aq) ↔ H2CO3(aq) + CO32- , Kc = ? Based on your result, do you expect this reaction to occur in the left-to-right direction?Write the equilibrium-constant expression Kc for Cd2+(aq) + 4 Br-(aq) => [CdBr4]2-(aq).
- The Ksp value for magnesium arsenate [Mg3(AsO4)2] is 2.00 X 10-20 so if a chemist added 1.19 x 10-2 M of Pb3(AsO4)2(aq) which is a common ion then what would be the concentration of the Magnesium ion Mg2+(aq) in Molarity at equilibrium? 3.89 x 10-6 4.07 x 10-6 3.47 x 10-6 2.45 x 10-6 2.81 x 10-6 3.28 x 10-6 2.64 x 10-6 3.69 x 10-6 3.01 x 10-6 4.29 x 10-6The Ksp value for magnesium arsenate [Mg3(AsO4)2] is 2.00 X 10-20 so if a chemist added 1.19 x 10-2 M of Pb3(AsO4)2(aq) which is a common ion then what would be the concentration of the Arsenate ion AsO43-(aq) in Molarity at equilibrium? 1.97 x 10-2 2.78 x 10-2 2.38 x 10-2 1.74 x 10-2 3.24 x 10-2 2.99 x 10-2 2.57 x 10-2 2.11 x 10-2 1.55 x 10-2 1.35 x 10-2What is the equilibrium constant value for NaC2H3O2 and how do you find its Kb?
- Write the Ksp expression for the sparingly soluble compound zinc phosphate, Zn3(PO4)2.Write the expression for the equilibrium constant Kc for the following equation. FeO(s) + CO(g) ↔ Fe(s) + CO2(g)What would be the equilibrium constant expression for the following equations? Br2(g) + CH4(g) ⇌ HBr(g) + CBr4(g) Fe(s) + H2O(g) ⇌ Fe3O4(s) + H2(g)
- . Use stoichiometry to determine the equilibrium [Fe3+] and [SCN-] in each test tube. y = 6170.7x - 0.0153 Solution 0.002M iron(III) nitrate in 1M nitric acid(mL) 0.002M potassium thiocyanate(mL) DI water(mL) Absorbance(A) 1 3 2 1 0.128 2 2 3 1 0.269What is the equilibrium constant for 2 C2H4(g) + 2 H2O(g) ⇌ 2 C2H6(g) + O2(g), Is it Heterogenous or Homogenous?Write equilibrium expressions for the following equilibria: a) Ka1 and Ka2 for the dissociation of H2SO4(aq) b) Kp for Fe2O3(s) + 3CO(g) ⇌ 2Fe(s) + 3CO2(g)