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10 Nov 2019
± Introduction to the Nernst Equation Consider the reaction Mg(s) + Fe2+ (aq)âMg2+ (aq) + Fe(s) Learning Goal To learn how to use the Nernst equation. at 53 °C , where Fe2+ 1 = 3.00 Mand IMg2 = 0.310 M The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 C and 1 M. To calculate the cell potential at non-standard-state conditions, one uses the Nernst equation, Part A What is the value for the reaction quotient, Q, for the cell? Express your answer numerically E-Bo-2.303 RT log10 Q Hints where E is the potential in volts, Eo is the standard potential in volts R- 8.314 J/(K mol) is the gas constant, T is the temperature in kelvins, n is the number of moles of electrons transferred, F- 96,500 C/(mol e) is the Faraday constant, and Q is the reaction quotient. Substituting each constant into the equation the result is loglo Q Submit My Answers Give Up Part B What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units. Hints TValue Units Submit My Answers Give Up
± Introduction to the Nernst Equation Consider the reaction Mg(s) + Fe2+ (aq)âMg2+ (aq) + Fe(s) Learning Goal To learn how to use the Nernst equation. at 53 °C , where Fe2+ 1 = 3.00 Mand IMg2 = 0.310 M The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 C and 1 M. To calculate the cell potential at non-standard-state conditions, one uses the Nernst equation, Part A What is the value for the reaction quotient, Q, for the cell? Express your answer numerically E-Bo-2.303 RT log10 Q Hints where E is the potential in volts, Eo is the standard potential in volts R- 8.314 J/(K mol) is the gas constant, T is the temperature in kelvins, n is the number of moles of electrons transferred, F- 96,500 C/(mol e) is the Faraday constant, and Q is the reaction quotient. Substituting each constant into the equation the result is loglo Q Submit My Answers Give Up Part B What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units. Hints TValue Units Submit My Answers Give Up
Nelly StrackeLv2
22 Feb 2019