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- 7) In the reversible reaction 2Cro? (aq) + 2H* (aq) E→Cr,0;² (aq) + H20 (I), chromium (VI) oxide (the reactant) is yellow and dichromate (the product) is orange. What will happen when you add concentrated HCI (aq) to the reaction mixture? a) The reaction mixture will become more yellow because increasing pH will shift the equilibrium to the left. b) The reaction mixture will become more yellow because decreasing pH will shift the equilibrium to the left. c) The reaction mixture will become more orange because increasing pH will shift the equilibrium to the right. d) The reaction mixture will become more orange because decreasing pH will shift the equilibrium to the right.O Ni(H₂O)2+ (aq) + 3SCN- (aq) = Ni(SCN); (aq) + 6H₂0(1) (a) Write the Kc expression for this equilibrium. (b) Would there be a shift to the right or to the left if KSCN solution was added to a solution containing this equilibrium? Explain your answer.Please answer Chemistry Consider the reaction Mn+ + ne- ⇌ M. If ΔG*c = ΔG* + (1-α)nFE and η = E – Eeq, prove that ic = io exp[-(1-α)nFηa)/RT)].
- ki ki = 2x 102s B, rate constant of forward reaction k-1 9. For the reversible reaction A and for back reaction k.j = 1x 103 s1.What is equilibrium constant for this reaction?Construct the expression for Kp for the following reaction. 2 CSH18(1) + 25 O2(g) = 16 CO2(g) + 18 H2O(1)Write the basic equilibrium equation for (CH3)2NH. Be sure to include the proper phases for all species within the reaction. 1 U + 4 2 0₂ Reset ( H₂O 3 ) 4 5 → (CH3)2NH OH- 5 6 6 (s) 2+ 7 N H3O+ 3+ 4+ 8 9 0 ☐o (1) • H₂O 9 (g)) (aq) H Delete
- (a) If Qc > Kc, how must the reaction proceed to reachequilibrium? (b) At the start of a certain reaction, onlyreactants are present; no products have been formed.What is the value of Qc at this point in the reaction?At a certain temperature, K = 8.30 × 10-4 for the reaction FESCN2+(ag) 2 Fe3+(aq) + SCN¯(aq) Calculate the concentrations of Fe3+, sCN", and FeSCN2+ in a solution that is initially 2.0 M FESCN2+. [FESCN2+] = M [Fe3+] = [SCN"] = M ΣΣgress The electromotive force AE has the same sign as the corresponding thermodynamic driving force AG of the underlying redox reaction. True False Q Search D % 5 tt C hp
- Al(OH),(s) = Al³*(aq) +30H¯(aq) X x.- +. log, Cos, K = [AF][OH]; ОН3. Benzoic acid, HC7H5O2, and its salts are used as food preservatives. Ka for benzoic acid is 6,3 x 10-5. A solution of sodium benzoate, NaC7H5O2, in water has a concentration of 0,015 mol.dm-3. (a) What is the equilibrium concentration of benzoic acid in the sodium benzoate solution? (b) What is the pH of this solution?○ Ni(H₂O)²+(aq) + 3SCN- (aq) = Ni(SCN)3(aq) + 6H₂0(1) (a) Write the Kc expression for this equilibrium. (b) Would there be a shift to the right or to the left if KSCN solution was added to a solution containing this equilibrium? Explain your answer.