Homework Answers
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You made two copper/silver cells with silver ions at nonstandard concentrations. You measured potentials are 0.312...
9. Copper and silver are in contact with an aqueous solution at 25°C containing Cu2+ and...
9. Copper and silver are in contact with an aqueous solution at 25°C containing Cu2+ and Ag+ ions setting up a corrosion cell. a) Show the anode and cathode reactions. b) Now show the overall cell reaction. c) If [Cu2+] = 10-M and (Ag*] -0.5M, calculate the cell voltage. Except for sign, standard electrode potentials are absolute. They do not change if you change the stoichiometry of the reaction. Electrode Reaction E° (V) Cu2+ + 2e = Cu Ag+ +e...
A solution is made by equilibrating the two solids silver iodide (Ksp = 1.5×10-16) and silver...
A solution is made by equilibrating the two solids silver iodide (Ksp = 1.5×10-16) and silver hydroxide (Ksp = 2.0×10-8) with water. What are the concentrations of the three ions at equilibrium, if some of each of the solids remain? [Ag+] = M [I-] = M [OH-] = M
Calculate the cell potential for the reaction below when the concentrations of ions are: [Ag+ ]...
Calculate the cell potential for the reaction below when the concentrations of ions are: [Ag+ ] = 0.010 M and [Cu2+] = 0.750 M, at 25 °C. Cu(s) + 2Ag+ (aq) --> Cu2+(aq) + 2Ag(s) Given the standard reduction potentials: Cu2+(aq) + 2e– → Cu(s) Eϴ = 0.34 V Ag+ (aq) + e– → Ag(s) Eϴ = 0.80 V (A) 0.35 V (B) 0.44 V (C) 0.46 V (D) 0.48 V (E) 0.57 V
A battery is constructed at 25ºC using the voltaic cell with initial concentrations Zn│Zn2+ (0.100...
A battery is constructed at 25ºC using the voltaic cell with initial concentrations Zn│Zn2+ (0.100 M) ││Ag+ (1.500 M) │Ag How much does the cell voltage drop when 95% of the capacity (i.e., the concentration of Ag+ drops to 5% of its starting value) is consumed? The standard reduction potentials for the two half-cells are + Zn2+ + 2e- → Zn Eº = − 0.76 V Ag+ + e- → Ag Eº = 0.80 V
A battery is constructed at 25ºC using the voltaic cell with initial concentrations Zn│Zn2+ (0.100 M)...
A battery is constructed at 25ºC using the voltaic cell with initial concentrations Zn│Zn2+ (0.100 M) ││Ag+ (1.500 M) │Ag How much does the cell voltage drop when 95% of the capacity (i.e., the concentration of Ag+ drops to 5% of its starting value) is consumed? The standard reduction potentials for the two half-cells are Zn2+ + 2e- → Zn Eº = − 0.76 V Ag+ + e- → Ag Eº = 0.80 V
A solution is made by equilibrating the two solids silver hydroxide (Ksp = 2.0x10-) and silver...
A solution is made by equilibrating the two solids silver hydroxide (Ksp = 2.0x10-) and silver bromide (Ksp = 3.3x10-13) with water. What are the concentrations of the three ions at equilibrium, if some of each of the solids remain? [Agt]= [OH-] = [Br] = What is the equilibrium Mn2+ concentration when 2.59 L of a 0.110 M manganese(II) chloride solution are mixed with 2.44 L of a 0.211 M potassium sulfide solution? [Mn) = A HCIO/NaClO buffer system is...
Can you please provide detailed answers to the below question Question B2: (a) 100 mL of...
Can you please provide detailed answers to the below
question
Question B2: (a) 100 mL of a 0.5 M solution of potassium nitrate is mixed with 100 mL of a 0.5 M solution of potassium chloride. What is the final concentration of hydrated potassium ions in this solution? (1 out of 5 marks) (b) How many moles of silver nitrate can be added to 100 mL of a 0.1 M aqueous sodium chloride solution before precipitation of solid silver chloride...
First fill in your half cell and cell reactions. F in standard cell potentials as you...
First fill in your half cell and cell reactions. F in standard cell potentials as you calculate them. Oxidation at the Anode: The black (.) lead is attached to the electrode, which is the source of electrons. Write the anode half reaction: Reduction at the Cathode: The red lead (+) is attached to the electrode. Write the cathode half reaction: E degree - V. Overall Cell Reaction (Net Ionic equation): Write the overall cell reaction (balance electrons and add together):...
pleas help me with lab assament Multimeter Consider a galvanic cell consisting of the following two...
pleas help me with lab assament
Multimeter Consider a galvanic cell consisting of the following two redox couples: Ag+(0.010 M) + e-→ Ag(s) Eo = +0.80 V oi a. Write the equation for the half-reaction occurring at the Salt bridge C (0.010 M) Ag (0.010AM b. Write the equation for the half-reaction occurring at the anode. Cr Ag c. Write the equation for the cell reaction. d. What is the standard cell potential, Eelli for the cell? e. Realizing the...
Prelab Activity: Electrochemical Cells To determine the solubility product of copper(II) carbonate, CuCO3 , a concentration...
Prelab Activity:
Electrochemical Cells
To determine the solubility product of copper(II) carbonate,
CuCO3 , a concentration cell as described on pages 71-72
of the lab handout is constructed. The temperature of the Galvanic
cell is measured to be 22.5°C, and the cell potential 282 mV (0.282
V). Using this data and Equation 8 in the lab manual, calculate the
Ksp for CuCO3 and report your answer with
three significant digits.
For the Galvanic cell you will construct in PART B,...
9. Copper and silver are in contact with an aqueous solution at 25°C containing Cu2+ and Ag+ ions setting up a corrosion cell. a) Show the anode and cathode reactions. b) Now show the overall cell reaction. c) If [Cu2+] = 10-M and (Ag*] -0.5M, calculate the cell voltage. Except for sign, standard electrode potentials are absolute. They do not change if you change the stoichiometry of the reaction. Electrode Reaction E° (V) Cu2+ + 2e = Cu Ag+ +e...
A solution is made by equilibrating the two solids silver hydroxide (Ksp = 2.0x10-) and silver bromide (Ksp = 3.3x10-13) with water. What are the concentrations of the three ions at equilibrium, if some of each of the solids remain? [Agt]= [OH-] = [Br] = What is the equilibrium Mn2+ concentration when 2.59 L of a 0.110 M manganese(II) chloride solution are mixed with 2.44 L of a 0.211 M potassium sulfide solution? [Mn) = A HCIO/NaClO buffer system is...
Can you please provide detailed answers to the below
question
Question B2: (a) 100 mL of a 0.5 M solution of potassium nitrate is mixed with 100 mL of a 0.5 M solution of potassium chloride. What is the final concentration of hydrated potassium ions in this solution? (1 out of 5 marks) (b) How many moles of silver nitrate can be added to 100 mL of a 0.1 M aqueous sodium chloride solution before precipitation of solid silver chloride...
First fill in your half cell and cell reactions. F in standard cell potentials as you calculate them. Oxidation at the Anode: The black (.) lead is attached to the electrode, which is the source of electrons. Write the anode half reaction: Reduction at the Cathode: The red lead (+) is attached to the electrode. Write the cathode half reaction: E degree - V. Overall Cell Reaction (Net Ionic equation): Write the overall cell reaction (balance electrons and add together):...
pleas help me with lab assament
Multimeter Consider a galvanic cell consisting of the following two redox couples: Ag+(0.010 M) + e-→ Ag(s) Eo = +0.80 V oi a. Write the equation for the half-reaction occurring at the Salt bridge C (0.010 M) Ag (0.010AM b. Write the equation for the half-reaction occurring at the anode. Cr Ag c. Write the equation for the cell reaction. d. What is the standard cell potential, Eelli for the cell? e. Realizing the...
Prelab Activity:
Electrochemical Cells
To determine the solubility product of copper(II) carbonate,
CuCO3 , a concentration cell as described on pages 71-72
of the lab handout is constructed. The temperature of the Galvanic
cell is measured to be 22.5°C, and the cell potential 282 mV (0.282
V). Using this data and Equation 8 in the lab manual, calculate the
Ksp for CuCO3 and report your answer with
three significant digits.
For the Galvanic cell you will construct in PART B,...
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