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cell Sn/Sn (IV) ion- Ni/Ni (II) ion will have electromotive
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post lab queations help A voltaic cell consists of a Sn/Sn? half-cell and a Cr/Cr half-cell...
post lab queations help
A voltaic cell consists of a Sn/Sn? half-cell and a Cr/Cr half-cell at 25 °C. The initial concentrations of Snow and Creare 0.10 M and 0.30 M respectively. Standard reduction potentials are as follows: Sn + 2e → Sn, E = -0.14 V; C* + 3e → Cr, E = -0.76 V 1. Which is the anode, which is the cathode? 2. What is the value of E'cell? 3. What is the value of Q, the...
Consider a voltaic (galvanic) cell with the following metal electrodes. Identify which metal is the cathode and which i...
Consider a voltaic (galvanic) cell with the following metal electrodes. Identify which metal is the cathode and which is the anode, and calculate the cell potential. (Use the table of Standard Electrode Potentials.) (a) Cd(II) and Sc(III) Cathode: Cd(II) Sc(III) Anode: Cd(II) Sc(III) Ecell 42 (b) Pb(II) and In(III) Cathode: Pb(II) In(III) Anode: Pb(II) In(III) Ecell - (c) Ni(II) and Zr(IV) Cathode: Ni(II) Zr(IV) Anode: Ni(II) Zr(IV) Ecell- Supporting Materials We were unable to transcribe this imageAGº and Eº can...
PART II. Voltaic Cell Design In each of the following two problems, there's a pair of...
PART II. Voltaic Cell Design In each of the following two problems, there's a pair of half-reactions shown in standard reduction form. In each problem, reverse the appropriate half-reaction, and indicate the following at the diagrams: a) voltage displayed by voltmeter (assume standard conditions) b) content of solution in each half-cell c) substance used for each electrode d) which electrode is anode, which is cathode e) which electrode is (+), which is (-) f) direction of electron flow g) direction...
Consider a voltaic (galvanic) cell with the following metal electrodes. Identify which metal is the cathode...
Consider a voltaic (galvanic) cell with the following metal electrodes. Identify which metal is the cathode and which is the anode, and calculate the cell potential. (Use the table of Standard Electrode Potentials.) (a) Ca(II) and Sc(III) Cathode: . Ca(II) Sc(III) Anode: Ca(II) Sc(III) Ecell = 0.0591 x V (b) Pb(II) and In(III) Cathode: . Pb(II) In(III) Anode: Pb(II) In(III) Ecell - (c) Ni(II) and Zr(IV) Cathode: NI(II) Zr(IV) Anode: Ni(II) Zr(IV) Ecell - V Supporting Materials Periodic Table Supplemental...
5-Consider the half reactions belovw (1) Sn2+(aq) + 2e-→ Sn"(s) (II) Sn(aq) + 2eSn2 (s) (III)...
5-Consider the half reactions belovw (1) Sn2+(aq) + 2e-→ Sn"(s) (II) Sn(aq) + 2eSn2 (s) (III) Cr (aq)3e-Cr (s) (IV) Cr"(aq) + 1e-→ Cr2+(s) E" =-0.14 E° = +0.15 V Eo -0.74 В" -0.41V Answer the following: ()If you dip a Cr rod (i.e. Cr (s)) in a tin solution (i.e. Sn2 (aq)), would any redox procces happen? (Yes/NO). If Yes, (a) what happens on the surface of Cr rod? (b) indicate which chemical species (e g. Sn (s)) is...
20iii please and thanks Long Answer 20. A galvanic (voltaic) cell consists of Ag/Ag* and Sn/Sn2...
20iii please and thanks
Long Answer 20. A galvanic (voltaic) cell consists of Ag/Ag* and Sn/Sn2 half cells at standard conditions with a salt bridge containing KCI. Sn2+ (aq) + 2 e-→ Sn (s) Eo =-0.137 V Ag (aq) e > Ag (s)+0.800 V i. ii. Write a balanced equation for the spontaneous redox reaction and determine Ee Sketch this galvanic cell. Label the anode, the cathode, the direction of flow of electrons in the external circuit and the direction...
Show all steps please :) A galvanic cell is prepared using the following two half-cells: (i)...
Show all steps please :)
A galvanic cell is prepared using the following two half-cells: (i) MnO4 (0.273 M), Mn2+ (0.167 M), and H+ (1.0 M), and (ii) Fe2+ (0.247 M) and Fe3+ (0.389 M). The standard reduction potentials for the two half cells are: Mnoa + 8H+ + 5e – Mn2+ + 4H20 E° = 1.507 V Fe3+ + e- Fe2+ E° = 0.770 V a) Calculate the voltage for this galvanic cell. b) Write the balanced equation for...
Is #3 correct? "Sn(s)/Sn+2(aq) // Cu+2(aq)/Cu(s)" Also, I need help with #4 and #5. Thanks! (will...
Is #3 correct? "Sn(s)/Sn+2(aq) // Cu+2(aq)/Cu(s)"
Also, I need help with #4 and #5.
Thanks! (will rate!)
Section A. Constructing a Small-Scale Electrochemical Cell Objective To construct a small-scale electrochemical cell using a redox system, to measure the cell potential and derive thermodynamic quantities. Procedures 1. Connect the red and black alligator clips to the multimeter to read voltage. Set up the multimeter to read DC (direct current) voltage using the tab at the top. 2. Cut the filter paper...
I need help to understand to solve these problems in detail. 38. The following figure shows...
I need help to understand to
solve these problems in detail.
38. The following figure shows a diagram of an Al/Fe galvanic cell. Use the diagram to answer the questions that follow it. Voltmeter Fe electrode Al electrode Fe2+ NO a) Predict the anode half-cell reaction, the cathode half-cell reaction, and the overall cell reaction that occurs as this cell operates. (4 marks) b) Predict the overall cell potential. (2 marks) c) Describe the direction of ion and electron flow...
1. Suppose you connect the positive lead to a ZnZn2+ half-cell and the negative lead to...
1. Suppose you connect the positive lead to a ZnZn2+ half-cell and the negative lead to an Mg Mg2+ half-cell and obtain a reading of +0.656 V from the multimeter. Draw a diagram of this electrochemical cell. Label the metals and corresponding solutions and indicate the direction of electron flow. Which metal is the anode and which metal is the cathode? Explain how you know. 2. You will have two 10-mL volumetric flasks and a 1-mL volumetric pipet to use...
post lab queations help
A voltaic cell consists of a Sn/Sn? half-cell and a Cr/Cr half-cell at 25 °C. The initial concentrations of Snow and Creare 0.10 M and 0.30 M respectively. Standard reduction potentials are as follows: Sn + 2e → Sn, E = -0.14 V; C* + 3e → Cr, E = -0.76 V 1. Which is the anode, which is the cathode? 2. What is the value of E'cell? 3. What is the value of Q, the...
Consider a voltaic (galvanic) cell with the following metal electrodes. Identify which metal is the cathode and which is the anode, and calculate the cell potential. (Use the table of Standard Electrode Potentials.) (a) Cd(II) and Sc(III) Cathode: Cd(II) Sc(III) Anode: Cd(II) Sc(III) Ecell 42 (b) Pb(II) and In(III) Cathode: Pb(II) In(III) Anode: Pb(II) In(III) Ecell - (c) Ni(II) and Zr(IV) Cathode: Ni(II) Zr(IV) Anode: Ni(II) Zr(IV) Ecell- Supporting Materials We were unable to transcribe this imageAGº and Eº can...
PART II. Voltaic Cell Design In each of the following two problems, there's a pair of half-reactions shown in standard reduction form. In each problem, reverse the appropriate half-reaction, and indicate the following at the diagrams: a) voltage displayed by voltmeter (assume standard conditions) b) content of solution in each half-cell c) substance used for each electrode d) which electrode is anode, which is cathode e) which electrode is (+), which is (-) f) direction of electron flow g) direction...
Consider a voltaic (galvanic) cell with the following metal electrodes. Identify which metal is the cathode and which is the anode, and calculate the cell potential. (Use the table of Standard Electrode Potentials.) (a) Ca(II) and Sc(III) Cathode: . Ca(II) Sc(III) Anode: Ca(II) Sc(III) Ecell = 0.0591 x V (b) Pb(II) and In(III) Cathode: . Pb(II) In(III) Anode: Pb(II) In(III) Ecell - (c) Ni(II) and Zr(IV) Cathode: NI(II) Zr(IV) Anode: Ni(II) Zr(IV) Ecell - V Supporting Materials Periodic Table Supplemental...
5-Consider the half reactions belovw (1) Sn2+(aq) + 2e-→ Sn"(s) (II) Sn(aq) + 2eSn2 (s) (III) Cr (aq)3e-Cr (s) (IV) Cr"(aq) + 1e-→ Cr2+(s) E" =-0.14 E° = +0.15 V Eo -0.74 В" -0.41V Answer the following: ()If you dip a Cr rod (i.e. Cr (s)) in a tin solution (i.e. Sn2 (aq)), would any redox procces happen? (Yes/NO). If Yes, (a) what happens on the surface of Cr rod? (b) indicate which chemical species (e g. Sn (s)) is...
20iii please and thanks
Long Answer 20. A galvanic (voltaic) cell consists of Ag/Ag* and Sn/Sn2 half cells at standard conditions with a salt bridge containing KCI. Sn2+ (aq) + 2 e-→ Sn (s) Eo =-0.137 V Ag (aq) e > Ag (s)+0.800 V i. ii. Write a balanced equation for the spontaneous redox reaction and determine Ee Sketch this galvanic cell. Label the anode, the cathode, the direction of flow of electrons in the external circuit and the direction...
Show all steps please :)
A galvanic cell is prepared using the following two half-cells: (i) MnO4 (0.273 M), Mn2+ (0.167 M), and H+ (1.0 M), and (ii) Fe2+ (0.247 M) and Fe3+ (0.389 M). The standard reduction potentials for the two half cells are: Mnoa + 8H+ + 5e – Mn2+ + 4H20 E° = 1.507 V Fe3+ + e- Fe2+ E° = 0.770 V a) Calculate the voltage for this galvanic cell. b) Write the balanced equation for...
Is #3 correct? "Sn(s)/Sn+2(aq) // Cu+2(aq)/Cu(s)"
Also, I need help with #4 and #5.
Thanks! (will rate!)
Section A. Constructing a Small-Scale Electrochemical Cell Objective To construct a small-scale electrochemical cell using a redox system, to measure the cell potential and derive thermodynamic quantities. Procedures 1. Connect the red and black alligator clips to the multimeter to read voltage. Set up the multimeter to read DC (direct current) voltage using the tab at the top. 2. Cut the filter paper...
I need help to understand to
solve these problems in detail.
38. The following figure shows a diagram of an Al/Fe galvanic cell. Use the diagram to answer the questions that follow it. Voltmeter Fe electrode Al electrode Fe2+ NO a) Predict the anode half-cell reaction, the cathode half-cell reaction, and the overall cell reaction that occurs as this cell operates. (4 marks) b) Predict the overall cell potential. (2 marks) c) Describe the direction of ion and electron flow...
1. Suppose you connect the positive lead to a ZnZn2+ half-cell and the negative lead to an Mg Mg2+ half-cell and obtain a reading of +0.656 V from the multimeter. Draw a diagram of this electrochemical cell. Label the metals and corresponding solutions and indicate the direction of electron flow. Which metal is the anode and which metal is the cathode? Explain how you know. 2. You will have two 10-mL volumetric flasks and a 1-mL volumetric pipet to use...
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