Given: Fe+2  +  2e- ?  Fe E red o = - 0.44 V Ag+  +  e-  ?  Ag E red o =  0.80 V Fe+2 (aq)  +  2Ag(s)  ?  Fe(s)  +  2Ag+(aq) What is E o for the reaction?  Is the reaction spontaneous at standard state conditions?  What is ΔG o for this reaction?  What is the value of the equilibrium constant for this reaction?

14.

Calculate the standard reaction free energy (AGº) for the following unbalanced redox reaction in acidic conditions. (HINT: You need to balance) NO(g) + Cu²+ (aq) → HNO₂(aq) + Cu+ (aq) The potential for the oxidation of NO (g) to HNO₂ (aq) is -0.983 V. The potential for the reduction of Cu²+ (aq) to Cu* (aq) is 0.153 V. The standard cell potential (Eºcell) for the reaction above is [Select ] V. There are [Select] The standard reaction free energy (AGO) for this redox reaction is [Select] kJ. This redox reaction [Select] at 25°C. of electrons transferred during this reaction.

Balance the equation and calculate the E∘cell of the given reaction Zn(s) + H+ (aq) ----> Zn2+(aq) +H2(g)

Calculate ΔG° for the following balanced redox reaction and determine if the reaction is spontaneous. (values are made-up)          2 Na+(aq) + 2 Cl-(aq) → 2 Na(s) + Cl2(s) Na+(aq) + e⁻ → Na(s)        E° = +0.362 V Cl2(s) + 2 e⁻  → 2 Cl-(aq)    E° = +0.789 V   use this equation: Δ G ° = − n F E cell °

7

It is to be reduced to nickel metal in an industrial process by the reaction:  NiO(s) --------> Ni(s)+CO2 (g)             <-------- At 1600 K the equilibrium constant of the reaction is Keq = 6.0 * 10 ^ 2 . If a pressure of 150 torr is used in the furnace and the total pressure never exceeds 760 torr, will the reduction take place ? 760torr = 1 atm

For the following redox reaction calculate the Ecell and K at 298 K. 2Na+(aq) + Ca(s)→2Na(s) + Ca2+(aq) Half Reaction E(V) Na+(aq) + e- → Na(s) -2.71 Ca2+(aq) + 2e- → Ca(s) -2.87

What is the answer?

Calculate the K and AG for the following reaction at 25 °C: с Zn(s) + CuSO₂ (aq) = ZnSO₂(aq) + Cu (s) Note: Reference the Standard reduction potentials at 25 °℃ and Fundamental constants tables for additional information. Part 1 of 2 Round your answer to 3 significant digits. K с Part 2 of 2 = AGO = x10 Round your answer to 4 significant digits. kJ mol X Ś x10