Question

In: Chemistry

At a temperature of 25ºC the following cell shows a potential of 0.7585 V: Cd/CdCl2 (0.01...

At a temperature of 25ºC the following cell shows a potential of 0.7585 V: Cd/CdCl2 (0.01 M) II AgCl (sat)/Ag (i) calculate the standard electromotive force of the cell; (ii) Calculate the mean activity coefficients in the CdCl2 solution.

Solutions

Expert Solution

the Standard EMF of the cell can be calculated using nernst equation .

The mean ionic activity coefficient can be determined using debye huckel limiting law.


Related Solutions

At a temperature of 25ºC the following cell shows a potential of 0.7585 V: Cd/CdCl2 (0.01...
At a temperature of 25ºC the following cell shows a potential of 0.7585 V: Cd/CdCl2 (0.01 M) II AgCl (sat)/Ag (i) calculate the standard electromotive force of the cell; (ii) Calculate the mean activity coefficients in the CdCl2 solution.
If the cell potential for a voltaic cell is 0.250 V, and the reduction potential for...
If the cell potential for a voltaic cell is 0.250 V, and the reduction potential for the oxidation reaction is ⎯0.150 V, what is the reduction potential for the reaction occurring at the cathode?
At what pH is the cell potential of the following half-cell +1.20 V? Cr2O7 2- (aq)...
At what pH is the cell potential of the following half-cell +1.20 V? Cr2O7 2- (aq) + 14H+ (aq) + 6e- → 2Cr3 + (aq) + 7H2O (l) The temperature is 298 K, the pressure is 1 bar and the concentration of Cr2O7 2- (aq) and Cr3+ (aq) is 1 mole dm-3
What is the cell potential (emf, in V) of this cell at 25oC? Cu |Cu2+ (0.0296...
What is the cell potential (emf, in V) of this cell at 25oC? Cu |Cu2+ (0.0296 M) ǁ Br2 |Br- (0.364 M)
The standard cell potential for the nickel–cadmium battery is 1.35 V, and the cell reaction can...
The standard cell potential for the nickel–cadmium battery is 1.35 V, and the cell reaction can be written as 2NiO(OH)(s) + 2H2O(l) + Cd(s) ? 2Ni(OH)2(s) + Cd(OH)2(s) Which one of the following statements do you expect to be true based on the Nernst equation? Note Q = reaction quotient, and K = equilibrium constant for the cell reaction: a. As the battery is used, the cell voltage approaches zero because Q approaches K, in value. b. When the battery...
Calculate the standard cell potential Delta G of the following reaction: Cd(s)+Cl2(g) --> 2Cl- + Cd2+(s)
Calculate the standard cell potential Delta G of the following reaction: Cd(s)+Cl2(g) --> 2Cl- + Cd2+(s)
What is the potential of a galvanic cell made up of Cd/Cd2+ and Ag/Ag+ half-cells at...
What is the potential of a galvanic cell made up of Cd/Cd2+ and Ag/Ag+ half-cells at 25
From the ΔE given for 25ºC, calculate ΔH in kJ at the same temperature for the...
From the ΔE given for 25ºC, calculate ΔH in kJ at the same temperature for the reaction: C2H6 (g) + 7/2 O2 (g) → 2CO2(g) + 3H2O (l) ΔE = -1553 kJ
A solar cell generates a potential difference of 0.320 V when a 445.0 ? resistor is...
A solar cell generates a potential difference of 0.320 V when a 445.0 ? resistor is connected across it and a potential difference of 0.504 V when a 945.0 ? resistor is substituted. A) What is the internal resistance of the cell in Ohms? B) What is the emf of the cell? C) The area of the cell is 27.0 cm2 and the rate per unit area at which it receives light energy is 58.0 mW/ cm2. What is the...
the voltage for the electrochemical cell shown below was .450 V. Pt(s)|Cd(NO3)2 (aq)(.0100M) || Cl- (aq)...
the voltage for the electrochemical cell shown below was .450 V. Pt(s)|Cd(NO3)2 (aq)(.0100M) || Cl- (aq) | AgCl (s)| Ag(s) The standard reduction potentials are Cd2++2e---> Cd (s) Eo= -.402 V AgCl+e---> Ag(s) + Cl-  Eo=.222V Calcuate the concentration of Cl- if the cell potential was determined to be 0.605 V
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT