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April 22, 2026, 01:16:22 am
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Author Topic: 2013 Sulfuric Acid thread  (Read 10475 times)  Share 

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lzxnl

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2013 Sulfuric Acid thread
« on: July 28, 2013, 08:19:56 pm »
+2
Post your sulfuric acid questions here!
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Stick

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Re: 2013 Sulfuric Acid thread
« Reply #1 on: July 28, 2013, 09:03:31 pm »
0
Why do you think so many schools seem to choose sulfuric acid? I also heard that ethene got cut from the course due to low numbers in previous years. I wonder why...
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vox nihili

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Re: 2013 Sulfuric Acid thread
« Reply #2 on: July 28, 2013, 09:13:15 pm »
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Quote from: Stick on July 28, 2013, 09:03:31 pm
Why do you think so many schools seem to choose sulfuric acid? I also heard that ethene got cut from the course due to low numbers in previous years. I wonder why...

Just seems to relate better to the rest of the course, and the equations you do with it are pretty easy. I guess it's more relevant. It's kind of perplexing still. That explanation doesn't really warrant the huge numbers. Maybe it's just a cooler chemical?
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clıppy

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Re: 2013 Sulfuric Acid thread
« Reply #3 on: July 28, 2013, 09:20:18 pm »
+6
Quote from: t-rav on July 28, 2013, 09:13:15 pm
Maybe it's just a cooler chemical?
Doesn't it burn if you touch it?
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vox nihili

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Re: 2013 Sulfuric Acid thread
« Reply #4 on: July 28, 2013, 09:30:10 pm »
+4
Quote from: clippy on July 28, 2013, 09:20:18 pm
Doesn't it burn if you touch it?

It corrodes ;)
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Alwin

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Re: 2013 Sulfuric Acid thread
« Reply #5 on: July 28, 2013, 09:30:27 pm »
+9
Quote from: clippy on July 28, 2013, 09:20:18 pm
Doesn't it burn if you touch it?

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lzxnl

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Re: 2013 Sulfuric Acid thread
« Reply #6 on: July 28, 2013, 10:00:47 pm »
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Let's face it, the structure of sulfuric acid itself is pretty cool. I mean, sulfur with six bonds? That's already outside the scope of VCE. Then you have the fact that concentrated sulfuric acid is an inordinately strong acid; H3SO4+ is stronger than H3O+ which is why the former isn't present in aqueous solution.
Off topic: HF is a weak acid in normal situations but its acidity increases remarkably as its concentration approaches 100% too due to the equilibrium 3HF <=> H2F+ + FHF-. Yep you read right.

Back on topic. Sulfuric acid also dehydrates pretty neatly as well and it's miscible with water. Its "conjugate base" is one of the strongest acids I know of that has a negative charge (HSO4- pKa around 1.99). What else do you want from sulfuric acid?
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vox nihili

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Re: 2013 Sulfuric Acid thread
« Reply #7 on: July 28, 2013, 10:34:06 pm »
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Quote from: nliu1995 on July 28, 2013, 10:00:47 pm
Let's face it, the structure of sulfuric acid itself is pretty cool. I mean, sulfur with six bonds? That's already outside the scope of VCE.

Won't be saying that when you're doing it in Chem next year... Hate the prick of a chemical  >:(
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lzxnl

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Re: 2013 Sulfuric Acid thread
« Reply #8 on: July 28, 2013, 10:38:11 pm »
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What's wrong with it? I'm curious.
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Lasercookie

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Re: 2013 Sulfuric Acid thread
« Reply #9 on: July 28, 2013, 10:51:22 pm »
+3
Quote from: Stick on July 28, 2013, 09:03:31 pm
Why do you think so many schools seem to choose sulfuric acid? I also heard that ethene got cut from the course due to low numbers in previous years. I wonder why...
Quote from: t-rav on July 28, 2013, 09:13:15 pm
Just seems to relate better to the rest of the course, and the equations you do with it are pretty easy. I guess it's more relevant. It's kind of perplexing still. That explanation doesn't really warrant the huge numbers. Maybe it's just a cooler chemical?
It used to be part of the core course in the 2000 to 2005 study design (http://web.archive.org/web/20040828023626/http://www.vcaa.vic.edu.au/VCE/STUDIES/chemistry/ChemistrySD.pdf page 26 U3O3). Similar to why structures and materials, sound is so popular as a detailed study in Physics, they also used to be apart of the core course.
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Edward21

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Re: 2013 Sulfuric Acid thread
« Reply #10 on: July 29, 2013, 09:05:06 pm »
0
Just posting so I get updated on this thread as I'm also doing H2SO4  8)
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Hannah96

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Re: 2013 Sulfuric Acid thread
« Reply #11 on: August 02, 2013, 09:58:57 pm »
+1
Our class just completed the Sulfuric acid SAC! My teacher chose it due to it having the best compromise for equilibrium conditions regarding the catalyst and a lower temperature being used. Glad it's not on the exam as their is SO much detail involved, good practice for doing equations though :)
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PB

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Re: 2013 Sulfuric Acid thread
« Reply #12 on: August 03, 2013, 04:04:50 pm »
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same with edward.
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radiochemistry

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Re: 2013 Sulfuric Acid thread
« Reply #13 on: August 04, 2013, 11:06:03 am »
+3
A revision tutorial is avaliable for sulfuric acid. Details the production, equilibrium factors, uses and safety of the chemical. All which could be assessed under SAC conditions.

Enjoy

http://youtu.be/Z9OsEyQtE9E

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nspire

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Re: 2013 Sulfuric Acid thread
« Reply #14 on: August 04, 2013, 05:30:38 pm »
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I'm also doing sulfuric acid, posting for same reason as Edward and PB.
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