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Consider the following half-reactions and their standard reduction potentials then give the standard line (cell) notation...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cell) notation for a voltaic cell built on these half reactions. Mn2+(aq) + 2 e- <=> Mn(s) E° = -1.18 V Fe3+(aq) + 3 e- <=> Fe(s) E° = -0.036 V Correct answer: Mn (s) | Mn 2+(aq, 1.0 M) || Fe3+(aq, 1.0 M) | Fe(s) looking for an explanation on how to work this problem, i get confused with the order of the elements. for...
Enter electrons as e Use smallest possible integer coefficients. If a box is not needed, leave...
Enter electrons as e Use smallest possible integer coefficients. If a box is not needed, leave it blank. A voltaic cell is constructed from a standard Fe? Fe half cell (Ered - -0.440V) and a standard Mn2+Mn half cell (Ered--1.180V). The anode reaction is: + The cathode reaction is: + - + The spontaneous cell reaction is: + 0 - The ocll voltage is V.
A) B) C) Use the References to access important values if needed for this question. Enter...
A)
B)
C)
Use the References to access important values if needed for this question. Enter electrons as e. Use smallest possible integer coefficients. If a box is not needed, leave it blank. A voltaic cell is constructed from a standard Fe2+ Fe half cell (Eºred = -0.440V) and a standard Mn2+ Mn half cell (Eºred =-1.180V). The anode reaction is: The cathode reaction is: The spontaneous cell reaction is: The cell voltage is V. Submit Answer Retry Entire Group...
help please asap 3 Question 44 (1 point) What is the standard Gibbs free energy change...
help please asap
3 Question 44 (1 point) What is the standard Gibbs free energy change for the reaction below? 2 Au + 3 Mn2+ - 2 Au3+ + 3 Mn % reaction Ered (V) AU3+ + 30 - Au +1.50 Mn2+ + 2e -- Mn -1.18 +185 kJ 0-517 kJ 0-185 kJ -1.55 x 103 kJ +517 kJ none of these +1.55 x 103 kJ Question 43 (1 point) Which of the following statements are TRUE about an electrochemical...
26: Voltaic Cell Diagram, Cell Potential, free-energy, K Time Left:0:14:34 Rashad Reed: Attempt 1 The following...
26: Voltaic Cell Diagram, Cell Potential, free-energy, K Time Left:0:14:34 Rashad Reed: Attempt 1 The following reaction is occurring in an voltaic cell at 25 °C Mn (s) + Br2 (1) ► Mn2+ (aq) + 2 Br(aq) The following are the standard reduction potentials: Mn2+ (aq) + 2e + Mn (5) E' = -1.18 V Br2 (1) + 2 e + 2 Br- (aq) E = 1.07 V On the paper you will submit, sketch the voltaic cell making sure...
please help as soon as possible ergent Question 44 (1 point) What is the standard Gibbs...
please help as soon as possible ergent
Question 44 (1 point) What is the standard Gibbs free energy change for the reaction be 3 Ca2+ + 2 Au 2 AuJ+3 cd % reaction Erea (V) -1.50 Au. 3 Au Cd2+ + 2e-Cd -0.40 +637 kJ +367 kJ 0-637 kJ 0-367 kJ O+1.10 x 10 kg 0-1.10 x 103 kJ none of these Question 43 (1 point) Which of the following statements are FALSE about an electrochemical cell? (Select all that...
help with these please LU 101 is question. Consider the following half-reactions: JE° (V) Half-reaction Hg2+...
help with these please
LU 101 is question. Consider the following half-reactions: JE° (V) Half-reaction Hg2+ (aq) + 2e → Hg(0.855V Ca2+(aq) + 2e —— C 0.403V Fe2+ (aq) + 2e -> Fe(s) 0.440V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Fe2+(aq) oxidize Hg() to Hg2+ (aq)? O y (6) Which species can be oxidized by Cd²+ (aq)? If...
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...
I need help on 2. Sketch a voltaic cell based on the following reaction. (a) show...
I need help on 2.
Sketch a voltaic cell based on the following reaction. (a) show the direction of electron flow and the direction of ion migration: (b) identify the cathode and anode: (c) state the signs of the cathode and anode: (d) give the overall balanced reaction. (e) Write the half-reactions that occur in the two electrode compartments. (f) Calculate E degree, assume 25 degree C: (g) Write a cell diagram for the cell: (h) Calculate E when [Cr^3+]...
Enter electrons as e. A voltaic cell is constructed in which the anode is a Cr...
Enter electrons as e. A voltaic cell is constructed in which the anode is a Cr Cr3+ half cell and the cathode is a SnSn2+ half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: The net cell reaction is: + + In the external...
Enter electrons as e Use smallest possible integer coefficients. If a box is not needed, leave it blank. A voltaic cell is constructed from a standard Fe? Fe half cell (Ered - -0.440V) and a standard Mn2+Mn half cell (Ered--1.180V). The anode reaction is: + The cathode reaction is: + - + The spontaneous cell reaction is: + 0 - The ocll voltage is V.
A)
B)
C)
Use the References to access important values if needed for this question. Enter electrons as e. Use smallest possible integer coefficients. If a box is not needed, leave it blank. A voltaic cell is constructed from a standard Fe2+ Fe half cell (Eºred = -0.440V) and a standard Mn2+ Mn half cell (Eºred =-1.180V). The anode reaction is: The cathode reaction is: The spontaneous cell reaction is: The cell voltage is V. Submit Answer Retry Entire Group...
help please asap
3 Question 44 (1 point) What is the standard Gibbs free energy change for the reaction below? 2 Au + 3 Mn2+ - 2 Au3+ + 3 Mn % reaction Ered (V) AU3+ + 30 - Au +1.50 Mn2+ + 2e -- Mn -1.18 +185 kJ 0-517 kJ 0-185 kJ -1.55 x 103 kJ +517 kJ none of these +1.55 x 103 kJ Question 43 (1 point) Which of the following statements are TRUE about an electrochemical...
26: Voltaic Cell Diagram, Cell Potential, free-energy, K Time Left:0:14:34 Rashad Reed: Attempt 1 The following reaction is occurring in an voltaic cell at 25 °C Mn (s) + Br2 (1) ► Mn2+ (aq) + 2 Br(aq) The following are the standard reduction potentials: Mn2+ (aq) + 2e + Mn (5) E' = -1.18 V Br2 (1) + 2 e + 2 Br- (aq) E = 1.07 V On the paper you will submit, sketch the voltaic cell making sure...
please help as soon as possible ergent
Question 44 (1 point) What is the standard Gibbs free energy change for the reaction be 3 Ca2+ + 2 Au 2 AuJ+3 cd % reaction Erea (V) -1.50 Au. 3 Au Cd2+ + 2e-Cd -0.40 +637 kJ +367 kJ 0-637 kJ 0-367 kJ O+1.10 x 10 kg 0-1.10 x 103 kJ none of these Question 43 (1 point) Which of the following statements are FALSE about an electrochemical cell? (Select all that...
help with these please
LU 101 is question. Consider the following half-reactions: JE° (V) Half-reaction Hg2+ (aq) + 2e → Hg(0.855V Ca2+(aq) + 2e —— C 0.403V Fe2+ (aq) + 2e -> Fe(s) 0.440V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Fe2+(aq) oxidize Hg() to Hg2+ (aq)? O y (6) Which species can be oxidized by Cd²+ (aq)? If...
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...
I need help on 2.
Sketch a voltaic cell based on the following reaction. (a) show the direction of electron flow and the direction of ion migration: (b) identify the cathode and anode: (c) state the signs of the cathode and anode: (d) give the overall balanced reaction. (e) Write the half-reactions that occur in the two electrode compartments. (f) Calculate E degree, assume 25 degree C: (g) Write a cell diagram for the cell: (h) Calculate E when [Cr^3+]...
Enter electrons as e. A voltaic cell is constructed in which the anode is a Cr Cr3+ half cell and the cathode is a SnSn2+ half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: The net cell reaction is: + + In the external...
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