Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 1 out of 1 pages
Class notes

Ch 21 cheat sheet

Document preview thumbnail
Preview 1 out of 1 pages

This is a cheat sheet I made for Chem 2 at the University of Florida. It covers material about voltaic cells, electrolytic cells, anodes, cathodes, and more form chapter 21 that is included on exam 3 and the final exam.

Content preview

For voltaic cells



3
* anode :
Oxidation/loses e 11-1 ,

OIL RIG in
electrolysis anodes (+ )
* cathode :
Oxidation Reduction reduction/gaise-/(t) +
cathodes (1)
is losing is gaining
CRA) 10A) ↑ For basic solutions , add OH-
0spon on soDon
to both sides to make #20

How to create half uxns that cancels

1) Dixide rxn Into 2 halves w/ Notation for VoltaicCell

Oxidized + reduced forms

2)
In/2n2
+
// (u21Cu A Whenever "NOS" of the
Balance atoms is a part equation
1) Balance Os by adding her
Her a YOU IGNORE becauseIt is part of salt bridge
4) Balance It's by adding H
+
writing a spontaneous ixn

1) Balance charge by adding e
-




#
a
X
Strength 1) whichever element is lower on potential list is
6) make sure
e-lost/gained your anode
are equal
OA
1) add rxns
Strength L
2) When you multiply rxns by a cresticient
Kathode) al
DON'T
estandard States
multiply Fall value
[ Ecell =
Ecathode -

Eanode
J A6
:




K Ecl RXn
*
207170 spontaneous Any element BELOW H2 , Hz0 ,
or

* F
in
O
Equilibrium
96485 J/mole-
g
=


so 20
Nonspontaneous anything above can DISPLACE It


Relationship between AG ; Ecll +
1

/JX
,
* AG is K
always in
16
:




M



[16 nFEcl I
[AG -RTink
= -

=


Voltaic Cells vs Electrolytic Cells

-
>
spon (AG 0) nonspon (AG > O)
Early G
K canode (-1 >
- anode ( + /
cuthode( ) = cathode
[u = ink]
> +
-
(1)
~ Q =
(prob]
generate energy
creact]
: use
energy
Concentration +
cell Potential




3
> think
-
When Q ,
InQO ,
so Fall > Ecll
Of E cell
>
-
when Q =
1 ,
In Q =
0 , so Fall =
E all as Q

> when
- Q1 InQ70 , so Ecll (Fall
,
Stachiometry of Electrolysis
concentration Cells ·
[Eu 0592xxpH] =.




7
- anode has LOWER concentration
cathode has HIGHER concentration
[t miI =




*

standard-
nonstandard sprod A
E all [react] 3 "Q"

Document information

Uploaded on
April 10, 2026
Number of pages
1
Written in
2024/2025
Type
Class notes
Professor(s)
Steven harris
Contains
All classes
$8.49

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
0
Followers
0
Items
6
Last sold
-


Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions