Be sure to answer all parts. Calculate the standard emf of a cell that uses the...
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.
Homework Answers
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Be sure to answer all parts.
Calculate the standard emf of a cell that uses the...
11.) Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half-cell reactions...
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...
1. Calculate the standard cell potential cell that uses the Mg/Mg2+ and Cu/Cu* half- cell reactions...
1. Calculate the standard cell potential cell that uses the Mg/Mg2+ and Cu/Cu* half- cell reactions at 25°C. Write the equation for the cell reaction that occurs under standard-state conditions.
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. 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 0.28 A for 31.0 h. (a) How many grams of Cu are deposited? g Cu (b) What is the [Cu2+ remaining?
Be sure to answer all parts. A galvanic cell using Mg / Mg2+ and Cu Cu half-cells operates under standard-state conditions at 25...
Calculate the standard emf of a cell that uses Ag/ Ag and Al/A13+ half-cell reactions. Write...
Calculate the standard emf of a cell that uses Ag/ Ag and Al/A13+ half-cell reactions. Write the cell reaction that occurs under standard-state conditions. 18.12
Be sure to answer all parts. Calculate the standard potential of the cell consisting of the...
Be sure to answer all parts. Calculate the standard potential of the cell consisting of the Zn/Zn2+ half-cell and the SHE. What will the emf of the cell be if: [Zn2+] = 0.38 M PH = 1.0 atm [H"]=1.8 M E° cell V E = V
Be sure to answer all parts. Consider a galvanic cell composed of the SHE and a...
Be sure to answer all parts. Consider a galvanic cell composed of the SHE and a half-cell using the following reaction: Agt(aq) + e + Ag(s) (a) Calculate the standard cell potential. 0 E = V cell (b) What is the spontaneous cell reaction under standard-state conditions? (c) Calculate the cell potential when the hydrogen electrode is changed to the following concentrations, while all other reagents are held at standard-state conditions: (i) 4.5 x 10-2 M E = v (ii)...
all parts please cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+...
all parts please
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) Cu 2+ (aq) + 2 Ag(s) The E° for the reaction is +0.46 V. The initial (nonstandard) conditions are: (Ag +) = 2.0 M; [Cu 2+] = 0.025 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is...
Calculate the equilibrium constant of a cell that uses a Mg/Mg2+ half-cell and a Cu/Cu2+ half-cell.
Calculate the equilibrium constant of a cell that uses a Mg/Mg2+ half-cell and a Cu/Cu2+ half-cell.
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Zn(s)...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Zn(s) red -0.763 V Zn2+ (aq)+2e NO3(aq)+4 H+ (aq)+3e NO(9)+2H20(1) EO red = +0.96 V Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. е х 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...
O H20 - 2.5 QUESTION 11 Use the standard half-cell potentials listed below to calculate the...
O H20 - 2.5 QUESTION 11 Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) Mg(s) + Cu2+(aq) Cu(s) + Mg2+(aq) E --238 V E° - +0.34 V Mg2(aq) + 2e - Mg() Cu2(aq) 2e-Cus) O A -2.04 V OB.-1.36 V OC. +2.04 V D. +2.72 V E. +1.36V Click Save and Submit to save and submit. Click Save All Answers...
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...
1. Calculate the standard cell potential cell that uses the Mg/Mg2+ and Cu/Cu* half- cell reactions at 25°C. Write the equation for the cell reaction that occurs under standard-state conditions.
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 0.28 A for 31.0 h. (a) How many grams of Cu are deposited? g Cu (b) What is the [Cu2+ remaining?
Be sure to answer all parts. A galvanic cell using Mg / Mg2+ and Cu Cu half-cells operates under standard-state conditions at 25...
Calculate the standard emf of a cell that uses Ag/ Ag and Al/A13+ half-cell reactions. Write the cell reaction that occurs under standard-state conditions. 18.12
Be sure to answer all parts. Calculate the standard potential of the cell consisting of the Zn/Zn2+ half-cell and the SHE. What will the emf of the cell be if: [Zn2+] = 0.38 M PH = 1.0 atm [H"]=1.8 M E° cell V E = V
Be sure to answer all parts. Consider a galvanic cell composed of the SHE and a half-cell using the following reaction: Agt(aq) + e + Ag(s) (a) Calculate the standard cell potential. 0 E = V cell (b) What is the spontaneous cell reaction under standard-state conditions? (c) Calculate the cell potential when the hydrogen electrode is changed to the following concentrations, while all other reagents are held at standard-state conditions: (i) 4.5 x 10-2 M E = v (ii)...
all parts please
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) Cu 2+ (aq) + 2 Ag(s) The E° for the reaction is +0.46 V. The initial (nonstandard) conditions are: (Ag +) = 2.0 M; [Cu 2+] = 0.025 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Zn(s) red -0.763 V Zn2+ (aq)+2e NO3(aq)+4 H+ (aq)+3e NO(9)+2H20(1) EO red = +0.96 V Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. е х 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...
O H20 - 2.5 QUESTION 11 Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) Mg(s) + Cu2+(aq) Cu(s) + Mg2+(aq) E --238 V E° - +0.34 V Mg2(aq) + 2e - Mg() Cu2(aq) 2e-Cus) O A -2.04 V OB.-1.36 V OC. +2.04 V D. +2.72 V E. +1.36V Click Save and Submit to save and submit. Click Save All Answers...
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