In this reaction, it isn't the temperature that is likely to break the test tube, but the temperature differential. Those tubes are quite resilient, though. If you want the temperature where they would break with fully even, slow heating, I would have to conjecture that it would be the point where the borosilicate glass becomes too liquid to hold its shape.
If you had the correct apparatus, and a way to be sure that there wasn't too much SO2, that would work, in theory. You would need very heat and shock resistant stoppers and tubing, and the sulfuric acid you would get would be very dilute. Boiling it down may work to concentrate it. See the following quote from Wikipedia:
"In the 17th century, the German-Dutch chemist Johann Glauber prepared sulfuric acid by burning sulfur together with saltpeter (potassium nitrate, KNO3), in the presence of steam. As saltpeter decomposes, it oxidizes the sulfur to SO3, which combines with water to produce sulfuric acid. In 1736, Joshua Ward, a London pharmacist, used this method to begin the first large-scale production of sulfuric acid."
@yellowmetalcyborg Ive tried that and ended up with sulfuric acid that smelled like rotten eggs the most you could boil it down to is 70 percent though
Test tubes are surprisingly resilient to heat. So long as you're below the point where glass has structural issues, not shocking the temperature, and not making huge temperature differentials, you should be fine.
In this reaction, it isn't the temperature that is likely to break the test tube, but the temperature differential. Those tubes are quite resilient, though. If you want the temperature where they would break with fully even, slow heating, I would have to conjecture that it would be the point where the borosilicate glass becomes too liquid to hold its shape.
ReactionFactory 1 year ago
at what temperature does those test tubes break ? plz reply i have to know,
~in celcius
zakamooza 1 year ago
Could you have bubbled the SO3 through water to make sulfuric acid?
yellowmetalcyborg 1 year ago
@yellowmetalcyborg
If you had the correct apparatus, and a way to be sure that there wasn't too much SO2, that would work, in theory. You would need very heat and shock resistant stoppers and tubing, and the sulfuric acid you would get would be very dilute. Boiling it down may work to concentrate it. See the following quote from Wikipedia:
ReactionFactory 1 year ago
@yellowmetalcyborg
"In the 17th century, the German-Dutch chemist Johann Glauber prepared sulfuric acid by burning sulfur together with saltpeter (potassium nitrate, KNO3), in the presence of steam. As saltpeter decomposes, it oxidizes the sulfur to SO3, which combines with water to produce sulfuric acid. In 1736, Joshua Ward, a London pharmacist, used this method to begin the first large-scale production of sulfuric acid."
ReactionFactory 1 year ago
@ReactionFactory Thanks.
I might just as well buy it, the costs of the reagents are far greater than that of the finished product.
Ahh well.
yellowmetalcyborg 1 year ago
@yellowmetalcyborg Ive tried that and ended up with sulfuric acid that smelled like rotten eggs the most you could boil it down to is 70 percent though
rgmcall 1 year ago
tada u have created molten glass:)
MOTAofCC 1 year ago
You should have ignited it!
Phacias 1 year ago
@Phacias
We should have ignited what? It was already burning quite intensely on its own. Adding another flame would have done nothing.
ReactionFactory 1 year ago
@ReactionFactory Actually, I posted a comment before it burst into flames. Sorry ;(
Phacias 1 year ago
why glass tube didn't break ??
vanadiumV 1 year ago
@vanadiumV
Test tubes are surprisingly resilient to heat. So long as you're below the point where glass has structural issues, not shocking the temperature, and not making huge temperature differentials, you should be fine.
ReactionFactory 1 year ago
@ReactionFactory so test tube made from space shuttle window glass ))
Pyrex glass
thanks again friend !!
vanadiumV 1 year ago