Draw a picture of a concentration cell composed of two compartments with Zn/Zn2+ as the components...
Draw a picture of a concentration cell composed of two compartments with Zn/Zn2+ as the components that will produce a voltage of 0.15 V. Be sure to include the following:
1. The concentration of Zn2+ in each compartment.
2. The composition of the electrodes in each compartment.
3. The direction of electron flow.
4. Label the anode and the cathode compartments.
5. A calculation that shows that the cell potential is expected to be 0.15 V.
Homework Answers
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Draw a picture of a concentration cell composed of two
compartments with Zn/Zn2+ as the components...
A standard galvanic cell is constructed with Br2 Br and Zn2+ Zn half cell compartments connected...
A standard galvanic cell is constructed with Br2 Br and Zn2+ Zn half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment is the Zn²+Zn compartment. As the cell runs, anions will migrate from the Br2 Br compartment to the Zn²+Zn compartment. Brą is reduced at the cathode. In the external circuit, electrons flow from the Br2|Br compartment to...
2. What is the initial cell potential for a galvanic cell consisting of a IM Zn2+...
2. What is the initial cell potential for a galvanic cell consisting of a IM Zn2+ solution with Zn solid as the anode and 1 M Cu?solution with Cu metal as the cathode? The electrodes are connected through a volt meter and the compartments are connected through a salt bridge. 3. What is the initial cell potential for a galvanic cell consisting of a 0.2 M Zn2+ solution with Zn solid as the anode and 0.01 M Cu"* solution with...
A concentration cell similar to the one shown is composed of two Cr electrodes and solutions...
A concentration cell similar to the one shown is composed of two Cr electrodes and solutions of different Cr3+concentrations. The left compartment contains 0.409 M Cr3+, and the right compartment contains 0.834M Cr3+. 1. Calculate the cell potential for this reaction at 298 K. ________volts In this chromium concentration cell, the compartment on the left is the _________anode/cathode, and the compartment on the right is the _________anode/cathode. 2.A concentration cell similar to the one shown is composed of two Sn...
Information for Questions 8 -9: A concentration cell is set up with two different Zn (s)...
Information for Questions 8 -9: A concentration cell is set up with two different Zn (s) / Zn2+ (aq) half-cells that contain different concentrations of Zn2+ (aq). The two half-cell solutions are connected with a salt bridge, and the zinc electrodes are connected with a wire and voltmeter. Consider the following standard reduction potential at 25°C: Zn2+ (aq) -0.76 V 2e--> Zn (s) E。= + Use the information here about this concentration cell for Questions 8 and 9. 8. What...
A voltaic cell consists of a Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25 ∘C. The...
A voltaic cell consists of a
Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25
∘C. The initial concentrations of Ni2+ and
Zn2+ are 1.700 M and 0.120 M , respectively. The volume
of half-cells is the same.
Question 2 1 pts A voltaic cell consists of a Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25°C. The initial concentrations of Ni2+ and Zn2+ are 1.700 M and 0.120 M, respectively. The volume of half-cells is the same. What is the concentration...
In an electrochemical cell composed of Zn(s)|Zn2+|| Cu2+, Cu(s), Which species is the oxidizing agent? Which...
In an electrochemical cell composed of Zn(s)|Zn2+|| Cu2+, Cu(s), Which species is the oxidizing agent? Which species is the reducing agent? In an electrochemical cell composed of Zn(s)| Zn2+1| Cu2+|Cu(s), Which electrode could be replaced with an inert electrode (such as Pt)? Which species is the anode? Which species is the cathode?
A concentration cell is called such because both the anode and cathode are build from the same components, meaning the standard cell potential is zero volts and the measured cell potential entirely d...
A concentration cell is called such because both the anode and cathode are build from the same components, meaning the standard cell potential is zero volts and the measured cell potential entirely depends on the relative concentration of ions on either side of the electrochemical cell. Consider the following concentration cell Zns)lZn2() (77M)Zn2()(0.50 M)| Znø) 0.50 M) Zn Given that the concentration of zinc ions in the cathode are 0.50 M, what would the concentration of zinc ions need to...
Calculate the voltage generated by the following cell. Zn(s)|Zn2+ (0.1M) || Ni2+(0.005M) |+ Ni(s) A. Write...
Calculate the voltage generated by the following cell. Zn(s)|Zn2+ (0.1M) || Ni2+(0.005M) |+ Ni(s) A. Write the overall cell redox equation. B. Label the anode and the cathode in the cell notation above. C. Calculate the standard cell potential. D. Use the Nernst equation to calculate the cell potential.
Salt bridge A concentration cell similar to the one shown is composed of two Co electrodes...
Salt bridge A concentration cell similar to the one shown is composed of two Co electrodes and solutions of ifferent Co?* concentrations. The left compartmen contains 0.555 M Co, and the right compartment contains 1.37 M Co Calculate the cell potential for this reaction at 298 K volts In this cobalt concentration cell, the compartment on the left is and the compartment on the right is the cathode
A voltaic cell consists of a Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25 ∘C. The...
A voltaic cell consists of a Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25 ∘C. The initial concentrations of Ni2+ and Zn2+ are 1.700 M and 0.120 M , respectively. The volume of half-cells is the same. What is the concentration of Ni2+ when the cell potential falls to 0.457 V ? Enter your answer to 4 decimal places and in units of mM.
A standard galvanic cell is constructed with Br2 Br and Zn2+ Zn half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment is the Zn²+Zn compartment. As the cell runs, anions will migrate from the Br2 Br compartment to the Zn²+Zn compartment. Brą is reduced at the cathode. In the external circuit, electrons flow from the Br2|Br compartment to...
2. What is the initial cell potential for a galvanic cell consisting of a IM Zn2+ solution with Zn solid as the anode and 1 M Cu?solution with Cu metal as the cathode? The electrodes are connected through a volt meter and the compartments are connected through a salt bridge. 3. What is the initial cell potential for a galvanic cell consisting of a 0.2 M Zn2+ solution with Zn solid as the anode and 0.01 M Cu"* solution with...
Information for Questions 8 -9: A concentration cell is set up with two different Zn (s) / Zn2+ (aq) half-cells that contain different concentrations of Zn2+ (aq). The two half-cell solutions are connected with a salt bridge, and the zinc electrodes are connected with a wire and voltmeter. Consider the following standard reduction potential at 25°C: Zn2+ (aq) -0.76 V 2e--> Zn (s) E。= + Use the information here about this concentration cell for Questions 8 and 9. 8. What...
A voltaic cell consists of a
Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25
∘C. The initial concentrations of Ni2+ and
Zn2+ are 1.700 M and 0.120 M , respectively. The volume
of half-cells is the same.
Question 2 1 pts A voltaic cell consists of a Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25°C. The initial concentrations of Ni2+ and Zn2+ are 1.700 M and 0.120 M, respectively. The volume of half-cells is the same. What is the concentration...
In an electrochemical cell composed of Zn(s)|Zn2+|| Cu2+, Cu(s), Which species is the oxidizing agent? Which species is the reducing agent? In an electrochemical cell composed of Zn(s)| Zn2+1| Cu2+|Cu(s), Which electrode could be replaced with an inert electrode (such as Pt)? Which species is the anode? Which species is the cathode?
A concentration cell is called such because both the anode and cathode are build from the same components, meaning the standard cell potential is zero volts and the measured cell potential entirely depends on the relative concentration of ions on either side of the electrochemical cell. Consider the following concentration cell Zns)lZn2() (77M)Zn2()(0.50 M)| Znø) 0.50 M) Zn Given that the concentration of zinc ions in the cathode are 0.50 M, what would the concentration of zinc ions need to...
Salt bridge A concentration cell similar to the one shown is composed of two Co electrodes and solutions of ifferent Co?* concentrations. The left compartmen contains 0.555 M Co, and the right compartment contains 1.37 M Co Calculate the cell potential for this reaction at 298 K volts In this cobalt concentration cell, the compartment on the left is and the compartment on the right is the cathode
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