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The reduction of iron and the oxidation of zinc creates a theoretical battery. Calculate the initial voltage of the battery if there are 1.3 M of Zn2+ and 2.8 M of Fe2+ in a 1.0-liter half-cells initially.
Predict the sign of E° when K > 1 and determine the value of K if E° = 0 V.
At 298 K, the standard cell potential of a cell is +0.124 V. If there are 4 electrons transferred in the reaction, what is the equilibrium constant value for the reaction?
Consider the reaction of Cu2+(aq) and Ni(s) at 25 °C. Calculate the equilibrium constant for this reaction using reduction potentials.
At 298 K, the standard cell potential of a cell is +0.124 V. If there are 4 electrons transferred in the reaction, what is the equilibrium constant value for the reaction?
Given the following E°red
Cl2(g) + 2 e− → 2 Cl− (aq) E°red = 1.36 V
MnO4−(aq) + 8 H+(aq) + 5 e− → Mn2+(aq) + 4 H2O(l) E°red = 1.51 V
What is the value of the equilibrium constant for the reaction at 298 K?
10 Cl− (aq) + 2 MnO4−(aq) + 16 H+(aq) → 2 Mn2+(aq) + 8 H2O(l) + 5 Cl2(g)
A cell produces 1.10 V at 298 K. Determine the equilibrium constant for the reaction happening inside the cell if n = 1.
For each of the Q/K ratios, identify whether Ecell and ΔG are negative, positive, or zero.
Q/K ratios: <1, =1, >1
At 25°C, what are the Keq and ∆G°rxn for the disproportionation reaction of liquid hydrogen peroxide to liquid water and oxygen gas?
An electrochemical is depicted with the cell notation Cu | Cu2+ || Mn3+ | Mn2+ | Pt. Draw the cell and show the flow of electrons and ions.
A galvanic cell is made up of a Zn/Zn2+ anode and Pb/Pb2+ cathode connected together by a wire. A salt bridge also connects the two cells. Write a cell notation for this galvanic cell.