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The Nernst Equation

Q. A 10.0-mL solution of 0.0522 M AgNO3 was titrated with 0.0261 M NaBr in the following cell. S.C.E. || titration solution | Ag(s) Find the cell voltage for 0.1 and 30.5 mL of titrant. (Assume that the Nernst potential is 0.05916 V.) The answer isn’t (0.1=6.88) (30.5=0.0815)

Solved • May 3, 2020

The Nernst Equation

Q. Cerium (IV) chloride reacts with hydrogen gas to form cerium (III) chloride and hydrochloric acid. Calculate the Ecell at 25.0 oC with a [Ce+4] = 0.00180, hydrogen gas pressure of 0.112 atm, [Ce+3]= 0.480, pH of 0.571. Recall that pressure is equal to concentration at constant temperature.

Solved • May 2, 2020

The Nernst Equation

Q. Calculate the Ecell for a cell constructed using a manganese metal/manganese (II) at 0.650 M and cadmium metal/ cadmium (II) at 0.00100 M at 47.0 Celsius Please note temperature when working problem. This is not standard conditions

Solved • May 1, 2020

The Nernst Equation

Q. A 10.0-mL solution of 0.0522 M AgNO3 was titrated with 0.0261 M NaBr in the following cell. S.C.E. || titration solution | Ag(s) Find the cell voltage for 0.1 and 30.5 mL of titrant. (Assume that the Nernst potential is 0.05916 V.)

Solved • Apr 29, 2020

The Nernst Equation

Q. For the unbalanced reaction Cu + Ag+(aq) ---> Cu2+(aq) + Ag (s) the following information is available: ​​Cu2+(aq) + 2 e- ---> Cu (s) ​Eo = 0.34 V Ag+(aq) + e- ---> Ag (s) ​​Eo = 0.7996 V Calculate the potential for the cell if the concentrations of Cu2+ (aq) is 0.075 M and the concentration of Ag+(aq) is 0.045 M

Solved • Apr 29, 2020

The Nernst Equation

Q. Given 2 Alo (s) + 3 Cd2+(aq) → 2 Al3+(aq) + 3Cdo(s) For this reaction Eo = 1.26 v. If [Al3+] = 0.01 M and [Cd2+] = 10-4 M. Calculate E from the Nernst equation: ​​​​E = Eo - 0.0591 log Q​​​​​ ​​​ n

Solved • Apr 29, 2020

The Nernst Equation

Q. Given 2 Alo (s) + 3 Cd2+(aq) → 2 Al3+(aq) + 3Cdo(s) For this reaction Eo = 1.26 v. If [Al3+] = 0.01 M and [Cd2+] = 10-4 M. Calculate E from the Nernst equation: E = Eo - 0.0591/n log Q

Solved • Apr 29, 2020