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Non Life Sciences => Chemistry => Topic started by: Chemkid on 15/05/2006 04:10:11

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Chemkid on 15/05/2006 04:10:11

Hi anyone to comment what happens when 5 kg of sodium carbonate oxyperhydrate is dumped into a pool?

chemkid

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Chemistry4me on 31/01/2009 07:45:58

Umm... will it blow up and explode and kill everybody within a 10 meter radius?

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: lightarrow on 31/01/2009 10:13:45

Quote from: Chemkid on 15/05/2006 04:10:11

Hi anyone to comment what happens when 5 kg of sodium carbonate oxyperhydrate is dumped into a pool?

Nothing particularly strange happens, it simply releases oxygen when mixed with water:
2Na₂CO₄ → 2Na₂CO₃ + O₂
Notice that the solution becomes alcaline, so you would have to correct the pH.
However it's not so effective as chlorine in disinfect and cleaning the pool's water.

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Chemistry4me on 31/01/2009 10:16:41

Whoa! I didn't know such thing existed (Na₂CO₄).

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: lightarrow on 31/01/2009 12:48:07

Quote from: Chemistry4me on 31/01/2009 10:16:41

Whoa! I didn't know such thing existed (Na₂CO₄).

It's also used as a substitute of perborate in whitening washed tissues.

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Bored chemist on 31/01/2009 18:27:21

Quote from: Chemistry4me on 31/01/2009 10:16:41

Whoa! I didn't know such thing existed (Na₂CO₄).

I'm not at all sure it does.
The "percarbonate" used in washing etc is not really a percarbonate. As the thread title indicates it's a compound of H2O2 and Na2CO3 that is like the hydrate; the stuff has hydrogen peroxide of crystalisation.

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Chemistry4me on 31/01/2009 21:39:17

So you think it's like Na₂CO₃•xH₂O₂? [???]

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Bored chemist on 01/02/2009 10:38:13

Yes.
http://en.wikipedia.org/wiki/Sodium_percarbonate
Some of the peroxide decomposes as it disolves.

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: lightarrow on 01/02/2009 11:11:36

Quote from: Bored chemist on 31/01/2009 18:27:21

Quote from: Chemistry4me on 31/01/2009 10:16:41

Whoa! I didn't know such thing existed (Na₂CO₄).

I'm not at all sure it does.
The "percarbonate" used in washing etc is not really a percarbonate. As the thread title indicates it's a compound of H2O2 and Na2CO3 that is like the hydrate; the stuff has hydrogen peroxide of crystalisation.

I think that you are correct. Italian wiki this time has deceived me:
http://it.wikipedia.org/wiki/Percarbonato_di_sodio
 [:(!]
I'll try to modify it.

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Chemistry4me on 02/02/2009 02:54:29

So what? It won't blow up and explode and kill everybody within a 10 meter radius?

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: lancenti on 02/02/2009 06:44:05

No, if you want something that explodes when it comes in contact with water you'll want Group I Metals Period 5 onwards.

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: Chemistry4me on 02/02/2009 07:17:50

(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fwww.freesmileys.org%2Fsmileys%2Fsmiley-confused013.gif&hash=396386a856152a890252526964cc44dd) (http://www.freesmileys.org)

(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fbestsmileys.com%2Fthinking%2F6.gif&hash=f522c5ddb84416835f65b187ce215e4e)(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fbestsmileys.com%2Fthinking%2F6.gif&hash=f522c5ddb84416835f65b187ce215e4e)

So what do you think will happen lancenti?

Title: What happens when sodium carbonate oxyperhydrate is dumped into a pool?
Post by: lightarrow on 02/02/2009 12:15:08

Quote from: Chemistry4me on 02/02/2009 02:54:29

So what? It won't blow up and explode and kill everybody within a 10 meter radius?

No.
Ok, it's not 10 meters, just 9.90  [;)]

No, no, I'm joking, it doesn't happen anithing (apart maybe some bubbles of O₂).