Be sure to answer all parts. A galvanic cell using Mg / Mg2+ and Cu Cu half-cells operates under standard-state conditions at 25 oC, and each compartment has a volume of 228 mL. The cell delivers 0.2...
Be sure to answer all parts. Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half-cell reaction at 25°C. E______ = V Write the equation for the cell reaction that occurs under standard-state conditions. Be sure to include the physical state of each species in the reaction.
11.) Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half-cell reactions at 25 C. Write the equation for the cell reaction that occurs under standard-state conditions. 12.) Calculate the emf and then predict whether the following reaction would occur spontaneously in aqueous solutions at 25 C. Assume that the initial concentrations of dissolved species are all 1.0 M. Show calculations. a.) Care) + Cd2+ (aq) → Ca2+ + Cd() b.) Br2() + Sn(3) ► 2Br...
Be sure to answer all parts. A voltaic cell has one half-cell with a Cu bar in a 1.00 M Cu2+ salt and the other half-cell with a Cd bar in the same volume of a 1.00 M Cd2+ salt. (a) Find E., ΔGo , and K. Report your answers to the correct number of significant figures. cell E' =11.74 (tb) As the cell operates. C?+] increases; Sind cell when [Cd2 E-0.69 (e) Find Ec AG, and [Cu ) at...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss cell Write a balanced equation for the half-reaction that happens at the cathode Write a balanced equation for the half-reaction that happens at the anode Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous...
ANSWER ALL 3 QUESTIONS AND ALL PARTS
Question 1 Using the standard reduction potentials on page 127, draw a complete galvanic cell in the space below for Fe Ag a) Clearly label the electrodes, the solutions and the salt bridge. Clearly label which metal is the cathode and anode and a chemical you might use for the salt bridge. b) Give the half-reaction that occurs at the cathode and the half-reaction that occurs at the anode and indicate the direction...