What is the calculated value of the cell potential at 298K for anelectrochemical cell with the following reaction, when the Ag*concentration is 1.01 M and the Al3+ concentration is 2.04×104 M?3Ag*(aq) + Al(s) → 3Ag(s) + Al³+(aq)Answer: 2.387The cell reaction as written above is spontaneous for theconcentrations given: true ▾

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What is the calculated value of the cell potential at 298 K for an electrochemical cell with the following reaction, when the Pb²+ concentration is 9.40 × 10-4 M and the Zn²+ concentration is 1.18 M? Pb²+ (aq) + Zn(s) → Pb(s) + Zn²+ (aq) Pb2+ (aq) + 2e7 →→ Pb(s) E red Zn²+ (aq) + 2e → Zn(s) Ee red Ecell = -0.126 V = -0.763 V Otrue Ofalse = The cell reaction as written above is spontaneous for the concentrations given:
When the Hg+ concentration is 1.44 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 1.717 V. What is the Zn2+ concentration? Hg (aq) + Zn(s) → Hg(1) + Zn²+ (aq) Zn M
What is the calculated value of the cell potential at 298 K for an electrochemical cell with the following reaction, when the Ag+ concentration is 1.14 x 10-4 M and the Mn²+ concentration is 1.05 M? 2Ag (aq) + Mn(s) → 2Ag(s) + Mn²+ (aq) Ag (aq) +e → Ag(s) Fred=0.799 V Mn²+ (aq) + 2e → Mn(s) E= -1.180 V Ecell = V The cell reaction as written above is spontaneous for the concentrations given: O true O false
Use an inactive electrode when needed. Consider the following cell reactions and its standard cell potential: 3 Hg22+(aq) + 2 Cr3+(aq) ⟶⟶2 Cr(s) + 6 Hg2+(aq) E°cell = -1.66 V a) Write the cell notation for the voltaic cell. b) What are the stoichiometric number of moles of electrons delivered from the one electrode compartment to the other? c) Draw a diagram of the voltaic cell. Label the anode and cathode compartments and the sign of each.Label what ions, gases, and solids are in each compartment.Label the electrode in each compartment. In other words, what is conducting electrons in and out of each compartment.Label the direction of electron flow.Label the salt bridge and what ionic compound is being used in the salt bridge. Label the direction of the ion flow for the cation and anion of the salt bridge.
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the H2 pressure is 2.22×10-3 atm, the H† concentration is 1.38M, and the Cr3+ concentration is 3.60×10-4M ? 6.00H*(aq) + 2Cr(s)→3H2(g) + 2C1³*(aq) Answer: V The cell reaction as written above is spontaneous for the concentrations given:
When the Ag+ concentration is 1.26 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 3.267V. What is the Mg2+ concentration? 2Ag+(aq) + Mg(s)2Ag(s) + Mg2+(aq)
A voltaic cell employs the following redox reaction: 2 Fe3+ Calculate the cell potential at 25 °C under each of the following conditions. (ag) + 3 Mg (s) → 2 Fe (s) + 3 Mg²+ (aq) Part C [Fe+] = 3.10 M ; [Mg²+] = 1.2x10-3 M Ecell Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
What is the cell potential for the following cell at 25°C?Al ∣ Al3+(0.00212 M) Sn2+(0.435 M) ∣ SnAl3+ + 3 e- → Al(s) E° = -1.676 VSn2+ + 2 e- → Sn(s E° = -0.137 V
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