O2+ + 2e- <-> R
1) For the above reaction under equilibrium, with concentrations of O two times that of R, calculate the exchange current density if the rate constant is 10-6 m/s.
2) Assuming standard conditions and identical O and R concentrations, calculate the charge transfer resistance assuming an electrode area of 1 cm2
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O2+ + 2e- <-> R 1) For the above reaction under equilibrium, with concentrations of O...
Reaction 1: A + B+C Reaction 2: 2A + B +C R= 8.31 J mol-1 K-1 and assume T = 298 K 1. A solution of [A] =0.60 M is prepared and allowed to reach equilibrium. The concentration of A at equilibrium is 0.50 M. Use this information to calculate the equilibrium constant for reactions 1 and 2. Keg for reaction 1: Keg for reaction 2: 2. Which reaction is more spontaneous under standard conditions? 3. Determine if each reaction...
Question 5 1 pts For the reaction 2 A = B, the equilibrium concentrations are as follows: [A] -0.056 M and [B] = 0.12 M. Calculate the equilibrium constant (Keg) for the reaction. O 2.6 x 10-2 38 2.1 O 0.26
11. For the given reaction at a certain temperature, the equilibrium concentrations were found to be 2] 5.7x 10- M, [o2)- 1.o x from these data (delete units). O x 10 2M, and [NO] - 2.0 x 10 M. Calculate the value of the equilibrium constant and 2NO(g) + Olg)-2NO2(g) a. 8.1 x 102 b. 14.3 x 104 C. 2.9% 102 d. 1.2 x 103 e. None of these
2. The equilibrium constant for the dissociation of Ag,CO, (s) + 2 Ag+ + CO, is Kp -8.1 10-12 at 25°C. a) Calculate AG for the reaction when [Ag'] = 1.0 x 10 2M and CO, +1 = 1.0 x 10- M. (4pts) Ans: b) (Ipt) Is the reaction spontaneous or nonspontaneous at these concentrations? Ans: 3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation below; 2NOCI(g) 2NO(g) + Cl2(g) Calculate K, for this reaction at...
Calculate the equilibrium constant (K) for the following reaction under standard conditions: MnO4 - + 8 H + + 5 Fe2+ → Mn2+ + 4 H2O + 5 Fe3+
Consider the equilibrium reaction at 100°C:2NO(g) + O2(g)⇌ 2NO2(g); KC = 30,000Write the concentration equilibrium equation for the reaction. If 46 grams of NO2(g) is introduced into a 1 L flask what will be the equilibrium concentrations of NO2, O2 and NO?
Calculate the equilibrium constant for the reaction between Zn2+(aq) and Fe(s) under standard conditions at 25∘C.
The free energy (AG) for a reaction under a set of initial conditions/concentrations is -14.3 kcal/mol. The standard free energy (AG°) of this reaction is -6.0 kcal/mol. Given this information, what will be the value of the ratio of the reaction quotient (Q) to the equilibrium constant (Kea)? In other words, what will Q/Keg equal? Assume a temperature of 25°C. The value of the gas constant is 1.987 × 10-3 kcal/K-mol. To make your answer feasible to enter in Canvas,...
For each equilibrium sample, calculate the initial
concentrations (assuming no reaction occurred) of SCN–
and Fe3+ based on the dilution factors used.
Enter the absorbance values for each sample.
For the standard solution, assume that, when equilibrium is
reached, the [FeSCN2+]eq is equal to
[SCN–]ini. Why is this a good
assumption?
For the equilibrium solutions, calculate the
[FeSCN2+]eq (Ceq) using Eq.
4.
Using Eq. 5 and 6, calculate
[Fe3+(aq)]eq and
[SCN–(aq)]eq for each equilibrium
solution.
Calculate values for the equilibrium...
CO2 + 2NH3 = NH2C(O)NH2 Assume that for the chemical reaction A+2NH3→ B above ∆H'°= - 9.5 kJ/mol, ∆S'°= - 61 J/mol K. Calculate approximate ratio between compounds [B]/[A] at the equilibrium under standard biochemical conditions assuming [NH3]=1M. A B