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Given: 3Mg(s) +2 A13+(aq) – 2 Al(s) + 3Mg2+(aq) Which of the foloowing statements is/are correct?...
Use the standard half-cell potentials listed below to calculate the standard cell potential and standard free...
Use the standard half-cell potentials listed below to calculate the standard cell potential and standard free energy Gº) for the following reaction occurring in an electrochemical cell at 25 °C. (The equation is balanced.) k(aq) + e-K(5) E* --2.93 V 12(s) + 2 0 - 2 (aq) E*-+0.54V a. +6.40 V & 670 KJ b. +1.85 V & 487K] C. 3.47 V & 241 Kb d. 3.47 V8 - 6709 e.+5,32 V &-+670K)
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C...
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. You may want to reference (Pages 865 - 869) Section 19.6 while completing this problem. Part A standard conditions Express your answer in units of volts. Ecell = V Part B [Fe3+]= 1.2×10−3 M ; [Mg2+]= 1.70 M Express your answer in units of volts. Ecell = V SubmitRequest Answer Part C [Fe3+]= 1.70 M ; [Mg2+]=1.2×10−3 M...
Consider the following reaction at 298 K: 3Cu2+(aq) + 2Al(s) + 3Cu(s) + 2 A13+ (aq)...
Consider the following reaction at 298 K: 3Cu2+(aq) + 2Al(s) + 3Cu(s) + 2 A13+ (aq) and the standard reduction potential values: Cu2+(aq) + 2e + Cu(3) E° = +0.342 v Al3+ (aq) + 3e + Al(s) E° = -1.662 v No files uploaded (Submit 6.1 and 6.2 as a single file) Q6.1 8 Points Calculate the standard Gibbs energy of reaction (A,G), in kJ/mol. Q6.2 8 Points Calculate the emf (E) when [Cu2+] = 1.0 x 10-2 M and...
Sample of solid aluminum (Al) and solid magnesium (Mg) are placed in a solution containing 1.0...
Sample of solid aluminum (Al) and solid magnesium (Mg) are placed in a solution containing 1.0 M Al3+ ion and 1.0 M Mg2+ ions at 25 o C. For the mixture… (1) write the BALANCED spontaneous reaction, (2) determine the cell potential (Ecell) in volts, (3) the free energy (ΔG) in kJ, and (4) the equilibrium constant (Keq). Al3+ (aq) + 3 e– "Al (s) Eo = –1.66 V Mg2+ (aq) + 2 e– "Mg (s) Eo = –2.37 V
please help, thanks! 7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq)...
please help, thanks!
7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
Calculate the theoretical cell potential (E°) of a galvanic cell under standard conditions made up of...
Calculate the theoretical cell potential (E°) of a galvanic cell
under standard conditions made up of copper and magnesium (see Part
II and Table 1 for more information).
PARTIL Creating and Testing Voltaic Cells Introduction and Background for the Voltaic Cells A galvanic cell (sometimes more appropriately called a voltaic cell) consists of two half-cells joined by a salt bridge that allow ions to pass between the two sides in order to maintain electroneutrality. Each half-cell contains the Components of...
Answer the following questions related to the givenelectrochemical cell under standard conditions.W3+(aq) + 3e−...
Answer the following questions related to the given electrochemical cell under standard conditions.W3+(aq) + 3e− ⇌ W(s)E° = 0.100 VCo2+(aq) + 2e− ⇌ Co(s)E° = -0.280 V1. Answer the following questions.(a) The half cell containing W/W3+ is the anode/ cathode(b) Which one of the following statements isTRUE for the half cell containing W and W3+.W3+ will be oxidized to form W.W3+ will be reduced to form W.W will be reduced to form W3+.W will be oxidized to form W3+.(c) The half...
Please use the following to answer the below: A fictional galvanic (voltaic) cell consists of an...
Please use the following to answer the below: A fictional galvanic (voltaic) cell consists of an electrode composed of a metal, M, in a 1.0 mol/L M2+ ion solution and a second electrode composed of an unreactive platinum metal (Pt) in a 1.0 mol/L X– ion solution, connected by a salt bridge and an external wire at 25.0 ⁰C. Consider the two entries below from a fictional table of standard reduction potentials. Reduction Equation Standard reduction potentials (E⁰reduction) M2+ (aq)...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq,...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq, 0.500 M) || Cu2+(aq, 1.00 M) Cu(s) Candidate 3: Mg(s) | Mg2+(aq, 0.500 M) | Pb2+(aq, 1.00 M)| Pb(s) (a) 6 pts) Choose one of the candidate voltaic cells #1, #2, or #3. Draw a schematic cell diagram for the candidate voltaic cell of choice. Clearly label anode, cathode, electrodes, ions and their concentrations, salt bridge, and the flow of electrons. (b) (5 pts)...
1. (2 points) Silver ion, Ag+ (aq), oxidizes formaldehyde, CH2O(aq), to formic acid, HCOOH(aq). Write the...
1. (2 points) Silver ion, Ag+ (aq), oxidizes formaldehyde, CH2O(aq), to formic acid, HCOOH(aq). Write the balanced equation for this transformation in aqueous acidic solution. In your answer be sure to convert any H+(aq) that may be present to H30+ (aq) and to include states on all species. 2. (1point)At 25 °C the redox process Mn2+ (aq) + Mg(s) = Mn(s) + Mg2+ (aq) has the standard potential of Eºcell = +1.34 V. Calculate the equilibrium constant of this process...
Use the standard half-cell potentials listed below to calculate the standard cell potential and standard free energy Gº) for the following reaction occurring in an electrochemical cell at 25 °C. (The equation is balanced.) k(aq) + e-K(5) E* --2.93 V 12(s) + 2 0 - 2 (aq) E*-+0.54V a. +6.40 V & 670 KJ b. +1.85 V & 487K] C. 3.47 V & 241 Kb d. 3.47 V8 - 6709 e.+5,32 V &-+670K)
Consider the following reaction at 298 K: 3Cu2+(aq) + 2Al(s) + 3Cu(s) + 2 A13+ (aq) and the standard reduction potential values: Cu2+(aq) + 2e + Cu(3) E° = +0.342 v Al3+ (aq) + 3e + Al(s) E° = -1.662 v No files uploaded (Submit 6.1 and 6.2 as a single file) Q6.1 8 Points Calculate the standard Gibbs energy of reaction (A,G), in kJ/mol. Q6.2 8 Points Calculate the emf (E) when [Cu2+] = 1.0 x 10-2 M and...
please help, thanks!
7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
Calculate the theoretical cell potential (E°) of a galvanic cell
under standard conditions made up of copper and magnesium (see Part
II and Table 1 for more information).
PARTIL Creating and Testing Voltaic Cells Introduction and Background for the Voltaic Cells A galvanic cell (sometimes more appropriately called a voltaic cell) consists of two half-cells joined by a salt bridge that allow ions to pass between the two sides in order to maintain electroneutrality. Each half-cell contains the Components of...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq, 0.500 M) || Cu2+(aq, 1.00 M) Cu(s) Candidate 3: Mg(s) | Mg2+(aq, 0.500 M) | Pb2+(aq, 1.00 M)| Pb(s) (a) 6 pts) Choose one of the candidate voltaic cells #1, #2, or #3. Draw a schematic cell diagram for the candidate voltaic cell of choice. Clearly label anode, cathode, electrodes, ions and their concentrations, salt bridge, and the flow of electrons. (b) (5 pts)...
1. (2 points) Silver ion, Ag+ (aq), oxidizes formaldehyde, CH2O(aq), to formic acid, HCOOH(aq). Write the balanced equation for this transformation in aqueous acidic solution. In your answer be sure to convert any H+(aq) that may be present to H30+ (aq) and to include states on all species. 2. (1point)At 25 °C the redox process Mn2+ (aq) + Mg(s) = Mn(s) + Mg2+ (aq) has the standard potential of Eºcell = +1.34 V. Calculate the equilibrium constant of this process...
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