how to calculate the equilibrium constant given Delta Grxn= +6.4kJ/mol at 298K

Q: 3.2 The standard Gibbs energy of formation of H20 at 25.0 °C, 4G, is -228.57 kJ.mot', for a standard…

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Q: The standard reaction Gibbs energy for the electrochemical reaction Cr2O7^2- + 2 Fe + 14 H+ → 2 Cr3+…

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Q: In the Nernst equation, what is the numerical value of the reaction quotient, Q, under standard…

A: Nernst equation

Q: 9. At 25° C: AG° is 21.3 kJ for the reaction HCO,H(aq) - H*(aq) + HCO2 (aq) Given that R= 8.314…

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Q: By how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in…

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Q: Give an interpretation of a cell potential with a non-spontaneous reaction and a positive ΔG value

A: The relation between Gibbs free energy and Cell potential is as follows, ∆G°=-nFEcell° where, n is…

Q: Calculate: (a) the pH of the saturated solution of magnesium  hydroxide:   Mg(OH)2(s) →← Mg2+(aq) +…

A: Mg(OH)2 ⇌ Mg2+ + 2 OH¯ Ksp = [Mg2+] [OH¯]2 Ksp =1.2 x 10¯11 = (s) (2s)2 ksp = 4s3 After dividing by…

Q: Given the following two measurements of the equilibrium constant for a reaction, calculate ΔH° for…

A: Given that,   For he reaction, temperature T1 = 30°C  = 303 K Rate constant k1 at temperature T1 =…

Q: 6. What is the standard Gibbs free energy change for the reaction between H2O2(aq) and Mn2 (aq) in…

A: NOTE : The -ve sign in the ΔG0 is missing  So, i'm assuming the value of ΔG0 is -ve as it is…

Q: How is equilibrium constant of a reaction related to standard cell potential?

A: How is equilibrium constant of a reaction related to standard cell potential?

Q: The biological standard potential of the couple pyruvic acid/lactic acid is -0.19 V at 25 °C. What…

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Q: Adenosine triphosphate, ATP, is used to store energy within biological systems. It releases that…

A: The reaction of ATP hydrolysis is shown below:

Q: Determine the equilibrium constant for a reaction at 200.0 K if ∆G° =58.10 kJ/mol. (R = 8.314 J/mol…

A: The relation between ΔG° with equilibrium constant is given by the expression - ΔG = ΔG° + RTlnQ…

Q: 4. Calculate the Gibbs Free-Energy and the standard Gibbs Free- Energy by the cell in the given cell…

A: Given : [Zn+2]  = 4.0 x 10-3 M  [H2] = 0.010 M  [H+] = 1.0 M  Also,  E°Zn+2/Zn = - 0.76 V  E°H+/H2 =…

Q: 1. Calculate the emf generated, Gibbs Free-Energy and the standard Gibbs Free-Energy by the cell in…

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Q: NH4

A: Dear student this question is related to equilibrium concept.

Q: For the reaction N2 (g) + 3H2(g) --> 2 NH3 (g), (a) what is the reaction Gibbs free energy at…

A: (a) For the given reaction, using values from the question and taking temperature in Kelvin scale,…

Q: What Is the Effect of pH on Standard-State FreeEnergies?

A: To find: The dependence of Standard State Free Energy on pH?

Q: For each of the following reactions, write a balancedequation, calculate the standard emf, calculate…

A: (a)

Q: Calculate the standard Gibbs energy change at 25 °C for the following reaction: Mg(s) +…

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Q: Calculate the value of the equilibrium constant Kat a temperature of 298 K for each value of AG. AG…

A: The complete solution is given below.

Q: Calculate the equilibrium constant for the following reaction at 25°C. Sn2+(aq)+2Ag(s)…

A: Relation between equilibrium constant and reduction potential Eocell=0.059n log KeqEocell=cell…

Q: For CaF2(s) ⇋ Ca2+(aq) + 2 F−(aq), K = 3.9 ×10−11 at 25 °C and the standard Gibbs energy of…

A: the standard gibbs energy is calculated by ,⊿G =-RT lnKwhereR=gas constantT=temperatureK=constant

Q: One ecologically important equilibrium is that between carbonate and hydrogencarbonate (bicarbonate)…

A: The relation between free energy and cell potential is shown below: ∆G0 =-nFE0cell where; ∆G =…

Q: The standard cell potential of a Daniell cell, with cell reactionZn(s) + Cu2+(aq) → Zn2+(aq) +…

A: Given, a Daniell cell with the cell reaction as follows,Zn(s)+Cu2+→Zn2++Cu(s)the standard cell…

Q: The reaction of ozone in the atmosphere and nitric oxide has a reaction enthalpy and reaction…

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Q: Explain Standard Electrode Potentials?

A: If the temperature is 298 K and the pressure is 1 atm,then these are known to be the standard…

Q: The reaction of ozone in the atmosphere and nitric oxide has a reaction enthalpy and reaction…

A: We will calculate gibbs free energy by using gibbs helmholtz equation.

Q: Calculate the ΔG rxn,298 for the precipitation of AgI at 0.05 M. Ag+ (aq) + I- (aq) → AgI (s)

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Q: The biological standard reaction Gibbs energies, at pH = 7, for the hydrolysis of…

A: Given: ΔrGo for hydrolysis of glucose-1-phosphate = -21 KJ/mol. = -21000 J/mol.…

Q: Estimate the temperature at which the equilibrium constant for the decomposition of CaCO3(s,…

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Q: The equilibrium pressure of H2 over solid uranium and uranium hydride, UH3, at 500 K is 139 Pa.…

A: Balanced chemical reaction is given as below: Us+1.5 H2g→ UH3s Equilibrium pressure is given as:…

Q: What is the standard Gibbs free energy change for the reaction between H2O2(aq) and Mn2 (aq) in…

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Q: The pH of an aqueous solution of 1.08×10-2 M carbonic acid, H2CO3 (aq), is

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Q: calculate the ▲G0 for a reaction with a Keq of 1.0 X 103 at 298 K.

A: The equation connecting free energy change and equilibrium constant is given below: ΔG0 = -RTlnKeq…

Q: Calculate AG, at 298K, for the dissociation of lead(II) iodide in water given that the equilibrium…

A: The standard Gibbs free energy and equilibrium constant are related by the following formula.

Q: The standard Gibbs energy of formation of gaseous ozone at 25.0 ℃ ΔfGo, is 162.3 kJ. mol-1, for…

A: Given O2 (g) ⇌ 2O3(g). Pressure = P = 1bar Temperature = T = 25°C = (25+273.15)K =298.15 K ∆Gf0 =…

Q: Determine the equilibrium constant for the following reaction at 298 K:…

A: We know that, the Gibbs free energy of the reaction is related to the equilibrium constant as,…

Q: Calculate the standard potential, Eº, for this reaction from its equilibrium constant at 298 K. X(s)…

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Q: Using the information in the data section, calculate the standard reaction ent and standard reaction…

A: Given reaction is :  N2 (g) + 3H2 (g) ---------> 2NH3 (g)  a). Calculate the standard change in…

Q: what is the value of Kp at 298 K?

A: Relationship between kp and kc :-  kp = kc(RT)∆ng  ∆ng is the change in gaseous moles in a reaction…

Q: Calculate the equilibrium constant at 10.7 °C for each of the following reactions from the value of…

A: Given ΔG° = 56.1 kJ T = 10.7°C

Q: Using ΔGof , calculate the equilibrium constant at 298 K for the following chemical equilibrium:…

A: The equilibrium constant of a reaction can be calculated by the change in Gibb's free energy of the…

Q: Consider the reaction at 25°C, where CaCO3(s) decomposes to form CO2(g) + CaO(s) If the standard…

A: Standard Gibbs free energy change of a reaction is calculated from the standard enthalpy and entropy…

Q: The equilibrium pressure of H2 over solid uranium and uranium hydride,UH3, at 500K is 1.04Torr.…

A: Gibbs free energy is thermodynamical potential used to calculate maximum reversible work .

Q: 6. What is the standard Gibbs free energy change for the reaction between H202(aq) and Mn²+ in…

A: Firstly we have write oxidation and reduction couple The total number of electron are used in this…