Calculate the potential, E, for the following cell at 25°C: Cr| Cr3+ (0.0738 M) || Co2+ (0.825 M) | Co Standard reduction potentials: Cr3+ + 3e → Cr(s) E° = -0.744 V Co2+ + 2e → Co(s) E° = -0.282 V Answer: Check When 94239Pu emits an alpha particle when it decays, what new element is formed? a. Ra O b. Rn O c. U O d. Cf

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter24: Coulometry
Section: Chapter Questions
Problem 24.2QAP: Calculate the minimum difference in standard electrode potentials needed to lower the concentration...
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Calculate the potential, E, for the following cell at 25°C:
Cr| Cr3+ (0.0738 M) || Co2+ (0.825 M) | Co
Standard reduction potentials:
Cr+ + 3e → Cr(s) E° = -0.744 V
Co2+ + 2e → Co(s) E° = -0.282 V
Answer:
Check
When 94
239Pu emits an alpha particle when it decays, what new element is formed?
a. Ra
b. Rn
O C.
d. Cf
Check
OOC
Transcribed Image Text:Calculate the potential, E, for the following cell at 25°C: Cr| Cr3+ (0.0738 M) || Co2+ (0.825 M) | Co Standard reduction potentials: Cr+ + 3e → Cr(s) E° = -0.744 V Co2+ + 2e → Co(s) E° = -0.282 V Answer: Check When 94 239Pu emits an alpha particle when it decays, what new element is formed? a. Ra b. Rn O C. d. Cf Check OOC
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