Answered: Build a voltaic cell with one beaker…

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...

See similar textbooks

Related questions

Question

1. Build a voltaic cell with one beaker containing potassium permanganate (KMnO₄) solution with a platinum electrode and a second beaker containing zinc chloride with a zinc electrode. Determine the half reactions, flow of electrons, short-form notation, and electric potential (voltage).

I attached my answer but am unsure. In particular, I don't know what "determine the flow of electrons" means. As well, what elements the salt bridge is made of and what directions it flows, and what solution is in the platnium cell.

1. a) Oxidation: Zn
2+
Zn
+ 2e
(aq)
Reduction: Pt?+
+ 2e
(aq)
-1
electrons
salt bridge
zinc electrode
platinum electrode
2, 2+
2+
Pt
(-)
(+)
cathode
reduction
anode
oxidation
b) The flow of electrons is from the zinc electrode to the platinum electrode through the wire.
c) Zn | Zn || Pt |Pt)
2+
d) E°cell = E°cathode – E°anode
+2e 1→ Pt)
→ Zm«s)
%3!
E°cathode : Pt
E°anode : Zn
2+
+ 1.20
(aq)
2+
-1
+ 2e
- 0.76
(aq)
E°cel = 1.20 –(- 0.76)
= 1.96V

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions