Sciencemadness Discussion Board

Condensation

Romix - 6-7-2015 at 12:05

At what temp hcl vapours condensing?

blogfast25 - 6-7-2015 at 12:22

Quote: Originally posted by Romix  
At what temp hcl vapours condensing?


Please use proper chemical symbols: HCl.

Do you mean pure HCl, hydrogen chloride, or HCl water solution, so called hydrochloric acid - HCl(aq)?

Romix - 6-7-2015 at 12:28

Quote: Originally posted by blogfast25  
Quote: Originally posted by Romix  
At what temp hcl vapours condensing?


Please use proper chemical symbols: HCl.

Do you mean pure HCl, hydrogen chloride, or HCl water solution, so called hydrochloric acid - HCl(aq)?


HCl (aq)

blogfast25 - 6-7-2015 at 14:17

The HCl/H2O vapout liquid equilibrium diagram:

https://commons.wikimedia.org/wiki/File:Phase_diagram_HCl_H2O_l_v.PNG

[url=https://commons.wikimedia.org/wiki/File:Phase_diagram_HCl_H2O_l_v.PNG]Here[/url].

Note the azeotrope at about 20 w% HCl at about 110 C.

[Edited on 6-7-2015 by blogfast25]

aga - 6-7-2015 at 16:08

Quote: Originally posted by Romix  
HCl (aq)

I'm surprised you even got a response from such a well respected member, and with useful data to look up.

Must be your lucky day.

Pure HCl gas might start to condense at anything below -85 C.