Help! Electrochem questions: (1) An electrochemical cell consisting of a cadmium electrode immersed in a solution...
Help! Electrochem questions:
(1) An electrochemical cell consisting of a cadmium electrode immersed in a solution of 0.001M cadmium (II) nitrate, and a hydrogen electrode. The hydrogen electrode contains a solution of hydrogen cyanide. The pressure of the hydrogen gas is 1 atm. What is the concentration of the acid when there is measured a potential of 0,220V at 25 ° C.
(2)A galvanic cell is composed of copper / copper ion solution (0.1M) on the one hand, and a hydrogen electrode immersed in 0.1 M hydrogen cyanide solution on the other. Calculate the cell potential.
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Help! Electrochem questions:
(1) An electrochemical cell consisting of a cadmium electrode
immersed in a solution...
An electrochemical cell is set up with a lead metal electrode immersed in a 0.1393 M...
An electrochemical cell is set up with a lead metal electrode immersed in a 0.1393 M solution of Pb2+ joined, through a salt bridge, to a 0.0511 M solution of Cd2+ into which is placed a cadmium metal electrode. Calculate the potential of this cell in its galvanic configuration and write out the shorthand notation for the galvanic cell.
Question 11 of 16 > A galvanic (voltaic) cell consists of an electrode composed of cadmium...
Question 11 of 16 > A galvanic (voltaic) cell consists of an electrode composed of cadmium in a 1.0 M cadmium ion solution and a second electrode composed of cobalt in a 1.0 M cobalt(II) ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C. Use this list of standard reduction potentials. V Ecel =
(a) Compute the voltage at 25˚C of an electrochemical cell consisting of pure cadmium immersed in...
(a) Compute the voltage at 25˚C of an electrochemical cell consisting of pure cadmium immersed in a 2 × 10-3 M solution of Cd2+ ions and pure iron in a 0.2 M solution of Fe2+ ions. (b)Determine the spontaneous electrochemical reaction for iron (reduced/oxidized) and cadmium (reduced/oxidized).
Electrochemical Measurement of Concentration An electrochemical cell consists of a standard hydrogen electrode and a copper...
Electrochemical Measurement of Concentration An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. What is the potential of this cell at 25°C if the copper electrode is placed in a solution in which [Cu2+] = 9.2×10-5 M? 1 pts Tries 0/8 The copper electrode of the above cell is placed in a solution of unknown [Cu2+]. The measured potential at 25°C is 0.160 V. What is [Cu2+] (in mol/L)? (Assume Cu2+ is reduced.) 1 pts...
Electrochemical Measurement of Concentration An electrochemical cell consists of a standard hydrogen electrode and a copper...
Electrochemical Measurement of Concentration An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. a) What is the potential of this cell at 25°C if the copper electrode is placed in a solution in which [Cu2+] = 7.5×10-8 M? b) The copper electrode of the above cell is placed in a solution of unknown [Cu2+]. The measured potential at 25°C is 0.109 V. What is [Cu2+] (in mol/L)? (Assume Cu2+ is reduced.) c) A calibration curve...
Consider an electrochemical cell with a zinc electrode immersed in a solution of ZnT and in electrical contact with a silver electrode immersed in a solution of Ag. If the initial concentrations...
Consider an electrochemical cell with a zinc electrode immersed in a solution of ZnT and in electrical contact with a silver electrode immersed in a solution of Ag. If the initial concentrations of Zinc and Silver ions are 0.0050 M and 16.00 M respectively, calculate +2 cell
Consider an electrochemical cell with a zinc electrode immersed in a solution of ZnT and in electrical contact with a silver electrode immersed in a solution of Ag. If the initial concentrations of...
An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. a. What...
An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. a. What is the potential of the cell at 25°C if the copper electrode is placed in a solution in which = 3.8 x 10-4 M? Ecell = V b. The copper electrode is placed in a solution of unknown (Cu?+]. The measured potential at 25°C is 0.206 v. What is (cu?+]? (Assume Cu²+ is reduced.) [Cu²+] = M
An electrochemical cell is made of a left-hand compartment consisting of nickel wire in contact with...
An electrochemical cell is made of a left-hand compartment consisting of nickel wire in contact with a 1.0 M Ni(ClO), solution and a right-hand compartment of copper wire immersed in 1.0 M Cu(Cl) 1. What is the overall spontaneous cell reaction for this electrochemical cell? What is the standard cell potential for this cell? Show your work for full credit. 2. 3. What is the direction of electron flow (from which electrode to which)? Which substance is oxidized? 4. If...
A galvanic cell consists of a cadmium cathode immersed in a Cdso solution and a manganese anode immersed in a MnSo4 solution. A salt bridge connects the two half- cells a) Write a balanced equation f...
A galvanic cell consists of a cadmium cathode immersed in a Cdso solution and a manganese anode immersed in a MnSo4 solution. A salt bridge connects the two half- cells a) Write a balanced equation for the cell reaction. (b) A current of 1.01 A is observed to flow for a period of 1.67 hours. How much charge passes through the circuit during this time? How many moles of electrons is this charge equivalent to? mol (c) Calculate the change...
a.) A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and...
a.) A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is a hydrogen electrode (P(H2) = 1 atm) immersed in a solution of unknown [H+]. If the cell potential is 0.204 V, what is the pH of the unknown solution at 298 K? b.) An electrochemical cell is constructed in which a Cr3+(1.00 M)|Cr(s) half-cell is connected to an H3O+(aq)|H2(1 atm) half-cell with unknown H3O+ concentration. The measured cell voltage is 0.366...
Question 11 of 16 > A galvanic (voltaic) cell consists of an electrode composed of cadmium in a 1.0 M cadmium ion solution and a second electrode composed of cobalt in a 1.0 M cobalt(II) ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C. Use this list of standard reduction potentials. V Ecel =
Consider an electrochemical cell with a zinc electrode immersed in a solution of ZnT and in electrical contact with a silver electrode immersed in a solution of Ag. If the initial concentrations of Zinc and Silver ions are 0.0050 M and 16.00 M respectively, calculate +2 cell
Consider an electrochemical cell with a zinc electrode immersed in a solution of ZnT and in electrical contact with a silver electrode immersed in a solution of Ag. If the initial concentrations of...
An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. a. What is the potential of the cell at 25°C if the copper electrode is placed in a solution in which = 3.8 x 10-4 M? Ecell = V b. The copper electrode is placed in a solution of unknown (Cu?+]. The measured potential at 25°C is 0.206 v. What is (cu?+]? (Assume Cu²+ is reduced.) [Cu²+] = M
An electrochemical cell is made of a left-hand compartment consisting of nickel wire in contact with a 1.0 M Ni(ClO), solution and a right-hand compartment of copper wire immersed in 1.0 M Cu(Cl) 1. What is the overall spontaneous cell reaction for this electrochemical cell? What is the standard cell potential for this cell? Show your work for full credit. 2. 3. What is the direction of electron flow (from which electrode to which)? Which substance is oxidized? 4. If...
A galvanic cell consists of a cadmium cathode immersed in a Cdso solution and a manganese anode immersed in a MnSo4 solution. A salt bridge connects the two half- cells a) Write a balanced equation for the cell reaction. (b) A current of 1.01 A is observed to flow for a period of 1.67 hours. How much charge passes through the circuit during this time? How many moles of electrons is this charge equivalent to? mol (c) Calculate the change...
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