For the reaction 2Co³+ (aq) + 2Cl(aq)→2Co2+ (aq) + Cl₂(g). E=0.483 V what is the cell potential at 25°C if the concentrations are [Co³+]=0.858 M. [Co²+] = 0.159 M, and [CI] -0.744 M, and the pressure of Cl₂ is Pa, 710 atm? Express your answer with the appropriate units. View Available Hint(s) E= Value Units ?

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Chapter17: Electrochemistry And Its Applications
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quado
The Nernst equation is one of the most important equations in
electrochemistry. To calculate the cell potential at non-standard-state
conditions, the equation is
E = E°.
2.303 RT log10
nF
where E is the potential in volts, Eº is the standard potential in volts,
R is the gas constant, T is the temperature in kelvins, n is the number
of moles of electrons transferred, F is the Faraday constant, and Qis
the reaction quotient. Using the common reference temperature, 25
°C or 298 K, the equation has the form
Q=
E = Eº - (0.0592
The reaction quotient has the usual form
⁹2) log Q
[products]
[reactants]"
A table of standard reduction potentials gives the voltage at standard
conditions, 1.00 M for all solutions and 1.00 atm for all gases. The
Nernst equation allows for the calculation of the cell potential E at
other conditions of concentration and pressure.
Transcribed Image Text:quado The Nernst equation is one of the most important equations in electrochemistry. To calculate the cell potential at non-standard-state conditions, the equation is E = E°. 2.303 RT log10 nF where E is the potential in volts, Eº is the standard potential in volts, R is the gas constant, T is the temperature in kelvins, n is the number of moles of electrons transferred, F is the Faraday constant, and Qis the reaction quotient. Using the common reference temperature, 25 °C or 298 K, the equation has the form Q= E = Eº - (0.0592 The reaction quotient has the usual form ⁹2) log Q [products] [reactants]" A table of standard reduction potentials gives the voltage at standard conditions, 1.00 M for all solutions and 1.00 atm for all gases. The Nernst equation allows for the calculation of the cell potential E at other conditions of concentration and pressure.
Part A
For the reaction
what is the cell potential at 25 °C if the concentrations are [Co³+] = 0
atm?
Express your answer with the appropriate units.
▸ View Available Hint(s)
E=
μA
2Co³+ (aq) + 2Cl(aq)→2Co2+ (aq) + Cl₂ (g). E=0.483 V
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Units
The coefficients in the balanced equation determine the exponents in the expression
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Review | Constants / Paroly
=0.858 M, [Co²+] = 0.159 M, and [CI]=0.744 M, and the pressure of Cl₂ is Pa, -7 10
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8:33 AM
Transcribed Image Text:Part A For the reaction what is the cell potential at 25 °C if the concentrations are [Co³+] = 0 atm? Express your answer with the appropriate units. ▸ View Available Hint(s) E= μA 2Co³+ (aq) + 2Cl(aq)→2Co2+ (aq) + Cl₂ (g). E=0.483 V Submit Previous Answers de Feedback ? Value Units The coefficients in the balanced equation determine the exponents in the expression No credit lost. Try again. h (૬) ૧૩ લા ઘટ Review | Constants / Paroly =0.858 M, [Co²+] = 0.159 M, and [CI]=0.744 M, and the pressure of Cl₂ is Pa, -7 10 Next > 8:33 AM
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