1- A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. Br2(l) + Hg(l) 2Br-(aq) + Hg2+(aq) The anode reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) The cathode reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) In the external circuit, electrons migrate ___fromtothe Br-|Br2 electrode _fromto the Hg|Hg2+electrode. In the salt bridge, anions migrate _fromto the Hg|Hg2+ compartment _fromto the Br-|Br2compartment. 2- A voltaic cell is constructed in which the anode is a Zn|Zn2+ half cell and the cathode is a Cu+|Cu2+half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) The cathode reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) The net cell reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) In the external circuit, electrons migrate _fromtothe Cu+|Cu2+ electrode _fromto the Zn|Zn2+electrode. In the salt bridge, anions migrate _fromto the Zn|Zn2+ compartment ___fromto the Cu+|Cu2+compartment.

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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1- A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge.

Br₂(l) + Hg(l) 2Br^-(aq) + Hg²⁺(aq)

The anode reaction is:

(aq)(s)(l)(g)

The cathode reaction is:

(aq)(s)(l)(g)

In the external circuit, electrons migrate _____fromtothe Br^-|Br₂ electrode _____fromto the Hg|Hg²⁺electrode.

In the salt bridge, anions migrate _____fromto the Hg|Hg²⁺ compartment _____fromto the Br^-|Br₂compartment.

2-
A voltaic cell is constructed in which the anode is a Zn|Zn²⁺ half cell and the cathode is a Cu⁺|Cu²⁺half cell. The half-cell compartments are connected by a salt bridge.

(Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.)

The anode reaction is:

(aq)(s)(l)(g)

The cathode reaction is:

(aq)(s)(l)(g)

The net cell reaction is:

(aq)(s)(l)(g)

In the external circuit, electrons migrate _____fromtothe Cu⁺|Cu²⁺ electrode _____fromto the Zn|Zn²⁺electrode.

In the salt bridge, anions migrate _____fromto the Zn|Zn²⁺ compartment _____fromto the Cu⁺|Cu²⁺compartment.

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