C. a A galvanic cell consists of a chromium metal electrode in a solution of Cr(NO) and a zinc metal electrode in a solution of Zn(NOx), connected across a salt bridge made from agar gel containing dissolved KNO, C+3e Cr(s) Zn²+2e → Zn(s) Write the balanced redox reaction for the galvanic cell. --0.744 V E--0.763 V b. Write the shorthand notation for this galvanic cell. What is the standard cell potential (E°) for this reaction?

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Chapter18: Electrochemistry
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3 a-c Given: 1. cr3+aq + 3e- = cr (s) e0 = -.744 v 2. zn2+ aq + 2e- = zn (s) e0 = -.763v
e.
C.
galvanic cell consists of a chromium metal electrode in a solution of
Cr(NO) and a zinc metal electrode in a solution of Zn(NO), connected across a salt
bridge made from agar gel containing dissolved KNO,
C+3e - Cr(s)
Zn2+2e → Zn(s)
a. Write the balanced redox reaction for the galvanic cell.
--0.744 V
E--0.763 V
b. Write the shorthand notation for this galvanic cell.
What is the standard cell potential (E°) for this reaction?
d. What is the standard free energy change (AGO) (for this reaction?
What is E for the cell when [Cr³+] = 0.155 M and [Zn²+] = 0.0256 M?
Transcribed Image Text:e. C. galvanic cell consists of a chromium metal electrode in a solution of Cr(NO) and a zinc metal electrode in a solution of Zn(NO), connected across a salt bridge made from agar gel containing dissolved KNO, C+3e - Cr(s) Zn2+2e → Zn(s) a. Write the balanced redox reaction for the galvanic cell. --0.744 V E--0.763 V b. Write the shorthand notation for this galvanic cell. What is the standard cell potential (E°) for this reaction? d. What is the standard free energy change (AGO) (for this reaction? What is E for the cell when [Cr³+] = 0.155 M and [Zn²+] = 0.0256 M?
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