MedVision ad

Gal Pos-cat Neg-an!!!!!!! (1 Viewer)

mcsmells

New Member
Joined
Sep 11, 2004
Messages
19
Location
lismore
Gender
Male
HSC
2005
Gal Pos-cat Neg-an
It is the most extravagent and beautiful contribution towards the art of chemistry this millennia!
Developed and Copyrighted by the Legendary A-Desk
GAL POS-CAT NEG- AN
In a Galvanic cell, the positive electrode is the cathode, whilst the negative electrode is the anode! It is the opposite for an electrolytic cell!
On behalf of the A-Desk, I would like to extend to the rest of the world an invitation to use Gal Pos-Cat Neg-An in all of your chemistry study.
It is extremely beneficial and will aid all of you in your study of the chemistry course
Goooooooooooooooooooooooooooooo A-Desk!
 

Dreamerish*~

Love Addict - Nakashima
Joined
Jan 16, 2005
Messages
3,705
Gender
Female
HSC
2005
Thank you. :)

However it might be better not to remember the anode and cathode as being negative or positive because you can easily get confused.

An ox (anode = oxidation) is quite easy to remember.

As for the signs, Gal Pos-cat Neg-an is great. :) That's not the way I remembered it though. I did so many exercised in electrochem that it's kind of etched in - anode is negative in Galvanic cells but positive in electrolytic cells.
 

rama_v

Active Member
Joined
Oct 22, 2004
Messages
1,151
Location
Western Sydney
Gender
Male
HSC
2005
Dreamerish*~ said:
Thank you. :)

However it might be better not to remember the anode and cathode as being negative or positive because you can easily get confused.

An ox (anode = oxidation) is quite easy to remember.

As for the signs, Gal Pos-cat Neg-an is great. :) That's not the way I remembered it though. I did so many exercised in electrochem that it's kind of etched in - anode is negative in Galvanic cells but positive in electrolytic cells.
Yeah..I always remember it through physics - the cathode is negative in the cathode ray tube, and because i know that you put current into a cathode ray tube its similar to the electrolytic cell. And its just the opposite for the galvanic cell
 

Jumbo Cactuar

Argentous Fingers
Joined
Sep 8, 2003
Messages
425
Gender
Male
HSC
2003
I remember;

oxidation and anode --> start with vowels
reduction and cathode --> start with consonants

and reduction and oxidation in terms of oxidation number.
 
Joined
Nov 4, 2004
Messages
3,550
Location
Sydney
Gender
Male
HSC
2005
i dont even know what a vowel or consonant is, so i just do an ox saw the red cat
 

kami

An iron homily
Joined
Nov 28, 2004
Messages
4,265
Gender
Male
HSC
N/A
It seems like a good find, but I prefer 'Red Cat' and 'An Ox' to help remember, and if I want to remember which one is positive or negative I just apply some logic to 'OILRIG'. And rama_v is it seriously that related? Because when I did Physics my teacher said to me "If you use your cathode definitions from Physics in Chemistry, you will fail, and you will die" - well maybe not the "die" bit but you get the point.
 

physician

Some things never change.
Joined
Oct 21, 2004
Messages
1,432
Location
Bankstown bro
Gender
Male
HSC
2005
Emma-Jayde said:
^^^ :confused: What? :confused: ^^^
mcsmells said:
Developed and Copyrighted by the Legendary A-Desk
GAL POS-CAT NEG- AN
In a Galvanic cell, the positive electrode is the cathode, whilst the negative electrode is the anode! It is the opposite for an electrolytic cell!
make sense?
 

rama_v

Active Member
Joined
Oct 22, 2004
Messages
1,151
Location
Western Sydney
Gender
Male
HSC
2005
kami said:
It seems like a good find, but I prefer 'Red Cat' and 'An Ox' to help remember, and if I want to remember which one is positive or negative I just apply some logic to 'OILRIG'. And rama_v is it seriously that related? Because when I did Physics my teacher said to me "If you use your cathode definitions from Physics in Chemistry, you will fail, and you will die" - well maybe not the "die" bit but you get the point.
haha nah not really, just somethign i remember it by, i must be weird lol
 

rama_v

Active Member
Joined
Oct 22, 2004
Messages
1,151
Location
Western Sydney
Gender
Male
HSC
2005
The_highwayman said:
JUST A QUESTION THAT ALWAYS STUMPS ME:
With the An Ox/Red Cat rule, does that mean that the anode is oxidised? Or is it the Oxidant? similarly with the cathode.

Thanks!
It just means that oxidation occurs there. I think sometimes the anode can be oxidised in certain cases, depending on what its made of and its potential. Same goes with cathode
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top