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Calculate for the half-reaction Pd(OH)2(s) + 2e = Pd(s) + 2OH' given that K(Pd(OH)2) = 3.00...
Calculate the standard potential for the half-reaction: Pd(OH)2(s) + 2 e- --> Pd(s) + 2OH- Given...
Calculate the standard potential for the half-reaction: Pd(OH)2(s) + 2 e- --> Pd(s) + 2OH- Given that Ksp for Pd(OH)2 is 3.0x10-28 and the standard reduction potential for Pd2+ is: Pd2+ + 2e- --> Pd(s) Please show all work!
Classify the half‑reactions as reduction half‑reactions or oxidation half‑reactions. H2(g)⟶2H+(aq)+2e−H2(g)⟶2H+(aq)+2e− 12O2(g)+2H+(aq)+2e−⟶H2O(g)12O2(g)+2H+(aq)+2e−⟶H2O(g) Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e−Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e− 2NiO(OH)(s)+2H2O(l)+2e
Classify the half‑reactions as reduction half‑reactions or oxidation half‑reactions. H2(g)⟶2H+(aq)+2e−H2(g)⟶2H+(aq)+2e− 12O2(g)+2H+(aq)+2e−⟶H2O(g)12O2(g)+2H+(aq)+2e−⟶H2O(g) Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e−Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e− 2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq)2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq) Fe(s)⟶Fe2+(aq)+2e−Fe(s)⟶Fe2+(aq)+2e− oxidation reduction reduction oxidation reduction
A rechargeable nickel-cadmium (NiCd) battery contains the following half-reactions: NiO2 +2H2O(l)+2e– → Ni(OH)2 +2OH– E0 =0.49V...
A rechargeable nickel-cadmium (NiCd) battery contains the following half-reactions: NiO2 +2H2O(l)+2e– → Ni(OH)2 +2OH– E0 =0.49V Cd(OH)2 +2e– →Cd(s)+2OH– E0 =–0.81V a. What is the standard cell potential or voltage of this NiCd cell? b. Write the net chemical reaction in the direction of spontaneous reaction. Is cadmium oxidized or reduced? c. Write an expression for the reaction quotient Q. What is Q if the electrolyte concentrations are: [NiO2] = 1 M and [Cd(OH)2] = 0.01M and [Ni(OH)2] = 0.001...
. Given the reaction Mn2+ + 2OH- = Mn(OH)2 (s), calculate the pH required to decrease...
. Given the reaction Mn2+ + 2OH- = Mn(OH)2 (s), calculate the pH required to decrease the manganese concentration (in the form of Mn2+) in a water supply to 0.03 mg/L. Note that the solubility product Ksp = 8×10-14.
Question 2. [10 Marks] Given the following half-cell reduction potentials: Ni2+ (aq) + 2e-F Ni(s), Ered...
Question 2. [10 Marks] Given the following half-cell reduction potentials: Ni2+ (aq) + 2e-F Ni(s), Ered = -0.23 V Pt2+ (aq) + 2e-E Pt(s), Ered = +1.2 V Pd2+(aq) + 2e- EPd(s), Ered = 0.99 V a) Sketch the cell for which the overall cell potential is the greatest. [3 Marks) b) Identify the cathode and anode, and then show the direction of electron flow for the cell in the circuit (a). [3 Marks] c) Will Pt(s) reduce Pd2+(aq)? Explain...
Need help with pS Calculate Eº for the half-reaction, FeS(s) +2e=Fe(s) + S2-(aq) given that the...
Need help with pS
Calculate Eº for the half-reaction, FeS(s) +2e=Fe(s) + S2-(aq) given that the solubility product for FeS at 25°C is 8.0 x 10-19 and the standard reduction potential of the half-reaction Fe? + (aq) +2e = Fe(s) is -0.440 V. -0.974 Fes- Construct the line notation of a cell that consists of a saturated calomel reference electrode, the FeS half-reaction, and an iron indicator electrode, which can be used to measure the s2-concentration of the solution. HGO)...
calculate the initial pH of the solution given the following reaction. Ca(OH)2 -> Ca2+ + 2OH- with ksp= 1.3 x 10^-6...
calculate the initial pH of the solution given the following
reaction.
Ca(OH)2 -> Ca2+ + 2OH- with ksp= 1.3 x 10^-6
please explain how you got your answer.
15) (5 pts) Calculate the initial pH of the solution given the following reaction and equilibrium information below: Ca(OH),(s) = Ca2+ (aq) + 20H- (aq) with Ksp = 1.3 x 10-6 A) 8.2 B) 10.3 C) 11.8 D) 12.1 E) None of these are correct + Ann
Oxidation half-reaction: Zn (s) + 2 OH- (aq) Z ZnO (s) + H20 (1) +2 €...
Oxidation half-reaction: Zn (s) + 2 OH- (aq) Z ZnO (s) + H20 (1) +2 € €°ox = +1.28 V Reduction half-reaction: 2 MnO2 (s) + H20 (1) + 2 € Mn203 (s) + 2OH- (aq) Ered = +0.15 V Ch9: Q22 Homework • Unanswered Given the half-reaction potentials above, what is the total cell potential of an alkaline battery in volts (V)? Numeric Answer: Unanswered Submit
Balance this skeleton reaction using the half reaction method, under basic conditions. 26. & 27. CIOs(aq)...
Balance this skeleton reaction using the half reaction method, under basic conditions. 26. & 27. CIOs(aq) + B(s)-> Cl2(g) + B(OH)3(aq) What is the coefficient for the OH, and is it reactant or product in the final equation? What is the coefficient for the H20, and is it reactant or product in the final equation? a. b. 28. & 29. The oxidation-reduction reaction 3 Ag+(aq) + Cr(s)-> 3 Ag(s) + Cr3+(aq) has E%HF 154 V. a. Calculate the value of...
Balance the following half-reaction occurring in basic solution MnO2(8) - Mn(OH)2(s) MnO2 (s) + H22(aq) +...
Balance the following half-reaction occurring in basic solution MnO2(8) - Mn(OH)2(s) MnO2 (s) + H22(aq) + 2e - Mn(OH)2(s) MnO2(s) + 2H2O(l) + 26 - Mn(OH)2(s)+ 2OH(aq) MnO2(s) + 2H2O(l) - Mn(OH)2(3)+20H(aq) MnO2(s) + H2(g) - Mn(OH)2(s) + 2e- MnO2(s) + 2H2O(1) + 4e - Mn(OH)2(s)+ (OH)2 (aq)
Question 2. [10 Marks] Given the following half-cell reduction potentials: Ni2+ (aq) + 2e-F Ni(s), Ered = -0.23 V Pt2+ (aq) + 2e-E Pt(s), Ered = +1.2 V Pd2+(aq) + 2e- EPd(s), Ered = 0.99 V a) Sketch the cell for which the overall cell potential is the greatest. [3 Marks) b) Identify the cathode and anode, and then show the direction of electron flow for the cell in the circuit (a). [3 Marks] c) Will Pt(s) reduce Pd2+(aq)? Explain...
Need help with pS
Calculate Eº for the half-reaction, FeS(s) +2e=Fe(s) + S2-(aq) given that the solubility product for FeS at 25°C is 8.0 x 10-19 and the standard reduction potential of the half-reaction Fe? + (aq) +2e = Fe(s) is -0.440 V. -0.974 Fes- Construct the line notation of a cell that consists of a saturated calomel reference electrode, the FeS half-reaction, and an iron indicator electrode, which can be used to measure the s2-concentration of the solution. HGO)...
calculate the initial pH of the solution given the following
reaction.
Ca(OH)2 -> Ca2+ + 2OH- with ksp= 1.3 x 10^-6
please explain how you got your answer.
15) (5 pts) Calculate the initial pH of the solution given the following reaction and equilibrium information below: Ca(OH),(s) = Ca2+ (aq) + 20H- (aq) with Ksp = 1.3 x 10-6 A) 8.2 B) 10.3 C) 11.8 D) 12.1 E) None of these are correct + Ann
Oxidation half-reaction: Zn (s) + 2 OH- (aq) Z ZnO (s) + H20 (1) +2 € €°ox = +1.28 V Reduction half-reaction: 2 MnO2 (s) + H20 (1) + 2 € Mn203 (s) + 2OH- (aq) Ered = +0.15 V Ch9: Q22 Homework • Unanswered Given the half-reaction potentials above, what is the total cell potential of an alkaline battery in volts (V)? Numeric Answer: Unanswered Submit
Balance this skeleton reaction using the half reaction method, under basic conditions. 26. & 27. CIOs(aq) + B(s)-> Cl2(g) + B(OH)3(aq) What is the coefficient for the OH, and is it reactant or product in the final equation? What is the coefficient for the H20, and is it reactant or product in the final equation? a. b. 28. & 29. The oxidation-reduction reaction 3 Ag+(aq) + Cr(s)-> 3 Ag(s) + Cr3+(aq) has E%HF 154 V. a. Calculate the value of...
Balance the following half-reaction occurring in basic solution MnO2(8) - Mn(OH)2(s) MnO2 (s) + H22(aq) + 2e - Mn(OH)2(s) MnO2(s) + 2H2O(l) + 26 - Mn(OH)2(s)+ 2OH(aq) MnO2(s) + 2H2O(l) - Mn(OH)2(3)+20H(aq) MnO2(s) + H2(g) - Mn(OH)2(s) + 2e- MnO2(s) + 2H2O(1) + 4e - Mn(OH)2(s)+ (OH)2 (aq)
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