Homework Answers
AgI (s) + e- ----> Ag(s) + I-(aq)
Reaction quotient , Q = [I-] = 0.025 M
We know that
Ecell = Eo - (0.059/n) log Q
= 0.151 - ( 0.059/1) log 0.025
= 0.246 V
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Write, but do not solve, the Nernst equation for the halt-cell reaction from c, including, activity...
please solve all correctly Question: Consider the voltaic cell using silver and zinc. The net equation...
please solve all correctly
Question: Consider the voltaic cell using silver and zinc. The net equation for this voltaic cell is 2Ag+ (aq) + Zn(s)--> 2Ag(s) + Zn2+lag) Calculate the molar concentration of Ag+ if a potential of 1.58 V was measured across the cell when the molar concentration of Zn* was 0.150 M. Hint: You need to first calculate the of the cell. Given the following Data: Be sure to show all calculations Half-Reaction Standard Potential E* (volts) Ag...
Write the net cell equation for the electrochemical cell. Phases are optional. Do not include the...
Write the net cell equation for the electrochemical cell. Phases are optional. Do not include the concentrations. Cu(s) Cu2 (aq, 0.0155 M) || Agt (aq, 2.50 M)| Ag(s) net cell equation: Calculate E and Ecell at 25 C, using standard potentials as needed cell V cell Ecell V
O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell voltage A galvanic cell at a temperature of...
O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell voltage A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2vo, (aq)+4H (aqg) +Fe (s)2VO2 (ag)+2H20 ()+Fe2(ag) Suppose the cell is prepared with 4.61 M VO, and 1.11 MH in one half-cell and 7.93 MVO and 4.62 M Fein the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. II
how do I solve this? 1. Use the Nernst equation to calculate the standard cell potential...
how
do I solve this?
1. Use the Nernst equation to calculate the standard cell potential for a voltaic cell of a Sn electrode in 0.10M Sn2(a) in one half-cell and Al in 0.10M AP) in the other. (EPe Eaode- Emode 1.52 V, Show your work. Hint: Check E values of the reduction haif reactions. Write the one with more negative E as oxidation half reaction (change the sign); ensure that equal number of electrons are exchanged ie. electrons cancel,...
Calculate E for the following electrochemical cell at 25 degree C Pt(s)|Sn^2+ (aq, 0.5 M), Sn^4+...
Calculate E for the following electrochemical cell at 25 degree C Pt(s)|Sn^2+ (aq, 0.5 M), Sn^4+ (aq, 0.50 M)||I^- (aq, 0.15 M) | AgI(s) | Ag(s) given the following standard reduction potentials. Agl(s) + e^- rightarrow Ag(s) + I^-(aq) E degree = -0.15 V Sn^4+ (aq) + 2 e^- rightarrow SN^2+ (aq) E degree= +0.15 V.
/ Question 8 / Write a balanced net ionic equation for the overall reaction represented by...
/ Question 8 / Write a balanced net ionic equation for the overall reaction represented by the cell notation below. Ag Agl|I || Fe2+, Fe3+ Pt Fe2+(ag) + Agi(s) — Fe3+(aq) + Ag(s) + F(ag) Fe?"(aq) + 21(aq) - Fe2+(aq) + 12(5) Fe3+(aq) + Ag(s) + 1-(aq) - Fe2+(aq) + AgI(s) Fe2+(aq) + Ag(s) +1-(aq) - Fe3+(aq) + AgI(s) Fe3+(ag) + Agi(s) - Fe2+(aq) + Ag(s) + (aq)
Part A Write a chemical equation for the reaction that occurs in the following cell: CuCu?+...
Part A Write a chemical equation for the reaction that occurs in the following cell: CuCu?+ (aq)||Ag+ (aq)|Ag. Cu(s) + 2Ag+ (aq) +Cu2+ (aq) + 2Ag(s) Previous Answers Correct Part B Given the following E's, calculate the standard-cell potential for the cell in the question above. Cu²+ (aq) + 2e +Cu(s) E° = +0.50 V Ag (Aq) + +Ag(8) E° = +0.76 V A2¢ * OO? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
Using the Nernst equation, calculate the cell potential for the following reaction (T=298 K): Cr2O72- (aq)...
Using the Nernst equation, calculate the cell potential for the following reaction (T=298 K): Cr2O72- (aq) + 14 H+ (aq) 6 I- (aq) → 2 Cr3+ (aq) + 3 I2 (s) + 7 H2O (l) given that Cr2O72- = 1.7 M H+ = 1 M I- = 1 M Cr3+ = 0.002 M
Write the net cell equation for this electrochemical cell. Phases are optional. Do not include the...
Write the net cell equation for this electrochemical cell.
Phases are optional. Do not include the concentrations.
Co(s)∣∣Co2+(aq, 0.0155 M)‖‖Ag+(aq, 2.50 M)∣∣Ag(s)Co(s)|Co2+(aq,
0.0155 M)‖Ag+(aq, 2.50 M)|Ag(s)
net cell equation:
Co+2Ag+⟶Co2++2AgCo+2Ag+⟶Co2++2Ag
Calculate ?∘cellEcell∘, Δ?∘rxnΔGrxn∘, Δ?rxnΔGrxn, and ?cellEcell
at 25.0 ∘C25.0 ∘C, using standard potentials as needed
Calculate Ecell, AGixn , AGxn , and Ecell at 25.0 °C, using standard potentials as needed. AG x = -89.4 AGxn = -104 E cell = .54
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...
please solve all correctly
Question: Consider the voltaic cell using silver and zinc. The net equation for this voltaic cell is 2Ag+ (aq) + Zn(s)--> 2Ag(s) + Zn2+lag) Calculate the molar concentration of Ag+ if a potential of 1.58 V was measured across the cell when the molar concentration of Zn* was 0.150 M. Hint: You need to first calculate the of the cell. Given the following Data: Be sure to show all calculations Half-Reaction Standard Potential E* (volts) Ag...
Write the net cell equation for the electrochemical cell. Phases are optional. Do not include the concentrations. Cu(s) Cu2 (aq, 0.0155 M) || Agt (aq, 2.50 M)| Ag(s) net cell equation: Calculate E and Ecell at 25 C, using standard potentials as needed cell V cell Ecell V
O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell voltage A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2vo, (aq)+4H (aqg) +Fe (s)2VO2 (ag)+2H20 ()+Fe2(ag) Suppose the cell is prepared with 4.61 M VO, and 1.11 MH in one half-cell and 7.93 MVO and 4.62 M Fein the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. II
how
do I solve this?
1. Use the Nernst equation to calculate the standard cell potential for a voltaic cell of a Sn electrode in 0.10M Sn2(a) in one half-cell and Al in 0.10M AP) in the other. (EPe Eaode- Emode 1.52 V, Show your work. Hint: Check E values of the reduction haif reactions. Write the one with more negative E as oxidation half reaction (change the sign); ensure that equal number of electrons are exchanged ie. electrons cancel,...
Calculate E for the following electrochemical cell at 25 degree C Pt(s)|Sn^2+ (aq, 0.5 M), Sn^4+ (aq, 0.50 M)||I^- (aq, 0.15 M) | AgI(s) | Ag(s) given the following standard reduction potentials. Agl(s) + e^- rightarrow Ag(s) + I^-(aq) E degree = -0.15 V Sn^4+ (aq) + 2 e^- rightarrow SN^2+ (aq) E degree= +0.15 V.
/ Question 8 / Write a balanced net ionic equation for the overall reaction represented by the cell notation below. Ag Agl|I || Fe2+, Fe3+ Pt Fe2+(ag) + Agi(s) — Fe3+(aq) + Ag(s) + F(ag) Fe?"(aq) + 21(aq) - Fe2+(aq) + 12(5) Fe3+(aq) + Ag(s) + 1-(aq) - Fe2+(aq) + AgI(s) Fe2+(aq) + Ag(s) +1-(aq) - Fe3+(aq) + AgI(s) Fe3+(ag) + Agi(s) - Fe2+(aq) + Ag(s) + (aq)
Part A Write a chemical equation for the reaction that occurs in the following cell: CuCu?+ (aq)||Ag+ (aq)|Ag. Cu(s) + 2Ag+ (aq) +Cu2+ (aq) + 2Ag(s) Previous Answers Correct Part B Given the following E's, calculate the standard-cell potential for the cell in the question above. Cu²+ (aq) + 2e +Cu(s) E° = +0.50 V Ag (Aq) + +Ag(8) E° = +0.76 V A2¢ * OO? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
Write the net cell equation for this electrochemical cell.
Phases are optional. Do not include the concentrations.
Co(s)∣∣Co2+(aq, 0.0155 M)‖‖Ag+(aq, 2.50 M)∣∣Ag(s)Co(s)|Co2+(aq,
0.0155 M)‖Ag+(aq, 2.50 M)|Ag(s)
net cell equation:
Co+2Ag+⟶Co2++2AgCo+2Ag+⟶Co2++2Ag
Calculate ?∘cellEcell∘, Δ?∘rxnΔGrxn∘, Δ?rxnΔGrxn, and ?cellEcell
at 25.0 ∘C25.0 ∘C, using standard potentials as needed
Calculate Ecell, AGixn , AGxn , and Ecell at 25.0 °C, using standard potentials as needed. AG x = -89.4 AGxn = -104 E cell = .54
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...
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