1. The following redox reaction was constructed at 25.0°C. Pb²+ (aq) + Mg(s) → Pb(s) + Mg²+ (aq) a. Write the half reaction that occurs at the cathode. b. How many electrons were transferred in this redox reaction? C. Calculate the Ecell for this reaction at 25.0°C.
1. The following redox reaction was constructed at 25.0°C. Pb²+ (aq) + Mg(s) → Pb(s) + Mg²+ (aq) a. Write the half reaction that occurs at the cathode. b. How many electrons were transferred in this redox reaction? C. Calculate the Ecell for this reaction at 25.0°C.
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
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![1. The following redox reaction was constructed at 25.0°C.
Pb²+ (aq) + Mg(s) → Pb(s) + Mg²+ (aq)
a. Write the half reaction that occurs at the cathode.
b. How many electrons were transferred in this redox reaction?
c. Calculate the Ecell for this reaction at 25.0°C.
d.
As the reaction progresses what happens to the mass of the magnesium electrode?
(increase, decrease, or remain the same) Explain your answer.
e. A chemistry student wanted to use iodide ions as the anion in the salt bridge. Why are
iodide ions a bad choice?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9aa90c4b-7e9e-49bf-b838-98f9b8cbe6bd%2Fb26dcb52-0080-4265-a1a2-e7cba73cb3ef%2Fyabug1b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. The following redox reaction was constructed at 25.0°C.
Pb²+ (aq) + Mg(s) → Pb(s) + Mg²+ (aq)
a. Write the half reaction that occurs at the cathode.
b. How many electrons were transferred in this redox reaction?
c. Calculate the Ecell for this reaction at 25.0°C.
d.
As the reaction progresses what happens to the mass of the magnesium electrode?
(increase, decrease, or remain the same) Explain your answer.
e. A chemistry student wanted to use iodide ions as the anion in the salt bridge. Why are
iodide ions a bad choice?
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