5. Calculate the cell potential, E celt, under nonstandard conditions for the following electrochemical cell at 25°C when [Ag²*] = 0.50 M and [Cu ²"] = 0.15 M. Then determine if the reaction is spontaneous or nonspontaneous. (Hint: Follow steps on Page 9 of condensed notes handout.) Cu (s) + 2 Ag* (aq) → Cu²+ (aq) + 2Ag(s)

A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: Cu²* (ag)+ Zn (s) –→ Cu (s) + Zn²* (ag) 2+ 2+ Suppose the cell is prepared with 7.28 M Cu²" in one half-cell and 7.67 M Zn²™ in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. x10 믐

Given the balanced electrochemical reaction below (M and N represent generic metals), what is the [M3*], in moles per liter, required to generate a cell potential (Ecell) of 0.584 V for this reaction at 58.1 °C when [N*] = 1.246 M? Enter your answer to the thousandths place. Do not include units. M(s) + 3N*(aq) –→ M3+(aq) + 3N(s) E°cell = 0.572 V

Calculate the cell potential for the galvanic cell in which the reaction Ti(s) + Cu²+ (aq) = Ti²+ (aq) + Cu(s) 2+ 2+ occurs at 25 °C, given that [Ti 1= 0.00130 M and [Cu]=0.892 M. Refer to the table of standard reduction potentials. E=

Consider the electrolysis reactions cathode anode whose standard reduction potentials can be found in this table. Calculate the voltage needed to drive the net reaction if the current is negligible. Ecell = Cu²+ (aq, 0.177 M) +2e=Cu(s) H₂O(1) ⇒ 10₂(g, 1 bar) + 2 H+ (aq, 0.195 M) + 2 e¯ The cell has a resistance of 66.0 and a current of 7.17 mA when the cathode overpotential is 0.231 V and the anode overpotential is 0.050 V. Calculate the voltage needed to overcome these effects and drive the net reaction. Ecell = V V

a galvanic cell consists of a zinc electrode immersed in 0.1 M ZnSO4 solution and another zinc electrode immersed in ZnS saturated solution water. Sketch the galvanic cell, show the anode and cathode. Write the reactions occurring at the anode and cathode , as well as the general reaction of the galvanic element.Calculate the fem of this reaction.

Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C, given that [Cd²+] = 0.00100 M and [Au*] = 0.795 M. Standard reduction potentials can be found in this table. 3 Cd(s) + 2 Au³+(aq) =3 Ca²*(aq) + 2 Au(s) 1.81 E = Incorrect

4)A galvanic cell is constructed that uses the following half-cell reactions: Cu+(aq) + e−→ Cu(s) I2(s) + 2e−→ 2I−(aq) a)Determine the cell potential for the spontaneous reaction under standard conditions. b)If the cell in part a is operated at 298 K with [Cu+] = 2.5 M and [I−] = 3.5 M, calculate the cell potential. Is the reaction spontaneous under these conditions? Explain. c)If [Cu+] was equal to 1.4 M, at what concentration of I− would the cell have zero potential?