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in part b , remove negative
signA galvanic cell is powered by the following redox reaction: 02(9) + 4H+ (aq) + 4...
A galvanic cell is powered by the following redox reaction: 02(9) + 4H+ (aq) + 4 Fe2+ (aq) → 2H2O(1) + 4 Fe3+ (aq) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. ローロー Write a balanced equation for the half-reaction that takes place at the cathode. e $ Write a balanced equation for the half-reaction that takes place at the anode. 0 ? Calculate the...
08 Question (1 point) e See page 789 Calculate the value of K at 25°C for...
08 Question (1 point) e See page 789 Calculate the value of K at 25°C for the reaction: 5Fe2+ (aq) + Mno, (aq) +8H+ (aq) —→ 5Fe3+ (aq) + Mn²+ (aq) + 4H,0(1) Use the standard reduction potentials below to complete the calculation: Mno] (aq) + 8H+ (aq) +52 —— Mn2+ (aq) + 4H2O(1) E° = 1.507 V Fe3+ (aq) +1e —— Fe2+ (aq) E° = 0.770 V 1st attempt . See Periodic Table D See Hint K =
table is 18.1 is given. please show work so i understand 4. (a) Use the standard...
table is 18.1 is given. please show work so i understand
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E' of an electrochemical cell described by the following reaction: 2 K+ + Mn → Mn + 2 K (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? E (V) Weaker...
1. Answer the following questions under standard conditions
Ag3+(aq) + e− ⇌ Ag2+(aq)E° = 1.800 V2H+(aq) + 2e− ⇌ H2(g)E° = 0.000 V1. Answer the following questions under standard conditions(a) The half-cell containing Ag2+/Ag3+ is the cathode .(b) The half-cell containing H+/H2 is the anode .(c) What is E°cell (in V)? Report your answer to three decimal places in standard notation (i.e., 0.123 V).1.800 V(b) What is ΔG° (in kJ/mol) for the process that is occurring in the electrochemical cell? Report your answer to three significant figures in...
the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) fone 2...
the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) fone 2 pts) a. Use the standard half-cell potentials listed below to calculate the standard cell potential (Eºcell) for 3 Sn(s) + 2 Fe* (aq) - 3 Sn2+ (aq) + 2 Fe(s) Sn 2(aq) + 2 e -Sn (s) E = -0.14 V Fe3+ (aq) + 3 e Fe(s) E° = -0.036 V A) -0.176 V B)-0.104 V C) +0.104 V D) +0.176 V b. Write...
Calculate the maximum amount of work that can be obtained at 25°C from an electrochemical cell...
Calculate the maximum amount of work that can be obtained at 25°C from an electrochemical cell using Cd and PbO2 electrodes. HINT: Write a balanced chemical reaction first. Reduction Half Reaction Standard Reduction Potential (E"[v] PbO2(s) + 4H(aq) + 2e-Pb2+ (aq) + 2H2010 1.46 V Ca2+ (aq) + 2e + Ca(s) -0.40 V 179) 205 k) 0 102 kJ 0 359K 673 kJ
Name: Chem 1120 Electrochemical Potentials Perform each of the following calculations, showing all work. Use the...
Name: Chem 1120 Electrochemical Potentials Perform each of the following calculations, showing all work. Use the Electrochemical Potentials table provided on D2L if values are not provided. Standard State Electrochemical Cells 1. In each of the following systems two half-reactions are provided. For each system, a) write the balanced reaction occurring for a spontaneous system, and b) calculate the overall standard cell potential. a. Half Reaction Zn2+(aq) + 2e = Zn(s) Cr3+ (aq) + 38 = Cr(s) Eºred (V) -0.76...
The bottom was cut out but the last part of the problem is: If you said...
The bottom was cut out but the last part of the problem is:
If you said it was possible to calculate the cell voltage, do so
and enter your answer here. Round your answer to 3 significant
digits
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2(s)+4H" (aq)+2e - Mn²+ (aq)+2H2000) E = +1.23 V Cu? (aq)+e Cu* (aq) Ered = +0.153 v il. Answer the following questions about this cell. 0-0 Write...
I can’t figure out the first part of this question 6. 12 points 1 Previous Answers...
I can’t figure out the first part of this question
6. 12 points 1 Previous Answers Se-CP10 15.P.008 My Notes Ask Your Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke and a in symbolic form. (Let B-3.5q and С " 2.Sq. Assume that the +x-axis is to the right and the·raos s up along the...
KAssignment 18 (Chapter 18) Introduction to the Nernst Equation 1 of 3 Review I Constants Periodic...
KAssignment 18 (Chapter 18) Introduction to the Nernst Equation 1 of 3 Review I Constants Periodic Table Learning Goal: To learn how to use the Nemst equation. Consider the reaction The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 C and 1 M, To calculate the cell potential at non-standard-state conditions, one uses the Nemst equation, Mg(s) Fe2 (aq)Mg2 (aq)Fe(s) at 43C, where Fe213.70 M and Mg2 0.310 M 2.303 RT 10g10...
A galvanic cell is powered by the following redox reaction: 02(9) + 4H+ (aq) + 4 Fe2+ (aq) → 2H2O(1) + 4 Fe3+ (aq) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. ローロー Write a balanced equation for the half-reaction that takes place at the cathode. e $ Write a balanced equation for the half-reaction that takes place at the anode. 0 ? Calculate the...
08 Question (1 point) e See page 789 Calculate the value of K at 25°C for the reaction: 5Fe2+ (aq) + Mno, (aq) +8H+ (aq) —→ 5Fe3+ (aq) + Mn²+ (aq) + 4H,0(1) Use the standard reduction potentials below to complete the calculation: Mno] (aq) + 8H+ (aq) +52 —— Mn2+ (aq) + 4H2O(1) E° = 1.507 V Fe3+ (aq) +1e —— Fe2+ (aq) E° = 0.770 V 1st attempt . See Periodic Table D See Hint K =
table is 18.1 is given. please show work so i understand
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E' of an electrochemical cell described by the following reaction: 2 K+ + Mn → Mn + 2 K (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? E (V) Weaker...
the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) fone 2 pts) a. Use the standard half-cell potentials listed below to calculate the standard cell potential (Eºcell) for 3 Sn(s) + 2 Fe* (aq) - 3 Sn2+ (aq) + 2 Fe(s) Sn 2(aq) + 2 e -Sn (s) E = -0.14 V Fe3+ (aq) + 3 e Fe(s) E° = -0.036 V A) -0.176 V B)-0.104 V C) +0.104 V D) +0.176 V b. Write...
Calculate the maximum amount of work that can be obtained at 25°C from an electrochemical cell using Cd and PbO2 electrodes. HINT: Write a balanced chemical reaction first. Reduction Half Reaction Standard Reduction Potential (E"[v] PbO2(s) + 4H(aq) + 2e-Pb2+ (aq) + 2H2010 1.46 V Ca2+ (aq) + 2e + Ca(s) -0.40 V 179) 205 k) 0 102 kJ 0 359K 673 kJ
Name: Chem 1120 Electrochemical Potentials Perform each of the following calculations, showing all work. Use the Electrochemical Potentials table provided on D2L if values are not provided. Standard State Electrochemical Cells 1. In each of the following systems two half-reactions are provided. For each system, a) write the balanced reaction occurring for a spontaneous system, and b) calculate the overall standard cell potential. a. Half Reaction Zn2+(aq) + 2e = Zn(s) Cr3+ (aq) + 38 = Cr(s) Eºred (V) -0.76...
The bottom was cut out but the last part of the problem is:
If you said it was possible to calculate the cell voltage, do so
and enter your answer here. Round your answer to 3 significant
digits
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2(s)+4H" (aq)+2e - Mn²+ (aq)+2H2000) E = +1.23 V Cu? (aq)+e Cu* (aq) Ered = +0.153 v il. Answer the following questions about this cell. 0-0 Write...
I can’t figure out the first part of this question
6. 12 points 1 Previous Answers Se-CP10 15.P.008 My Notes Ask Your Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke and a in symbolic form. (Let B-3.5q and С " 2.Sq. Assume that the +x-axis is to the right and the·raos s up along the...
KAssignment 18 (Chapter 18) Introduction to the Nernst Equation 1 of 3 Review I Constants Periodic Table Learning Goal: To learn how to use the Nemst equation. Consider the reaction The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 C and 1 M, To calculate the cell potential at non-standard-state conditions, one uses the Nemst equation, Mg(s) Fe2 (aq)Mg2 (aq)Fe(s) at 43C, where Fe213.70 M and Mg2 0.310 M 2.303 RT 10g10...
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