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Potassium Alum vs MgSulfate vs sodium citrate
One of my students made a solutions, magnesium sulfate, potassium alum, and sodium citrate and forgo ... |
17-2-2023 at 10:57
by: beeludwig |
35% hydrogen peroxide and organics
Hey guys, where would I find information on the reactions of 35% H2O2 on biologically relevant molec ... |
25-3-2020 at 09:21
by: beeludwig |
PH indicators.
Update: Did the lab, worked great. Not sure why I fussed about it. I blame end of year stress. I ... |
11-6-2019 at 08:41
by: beeludwig |
PH indicators.
oh yeah. It's not expensive at all. The only reason i even worry about it at all is because it's f ... |
11-6-2019 at 03:33
by: beeludwig |
PH indicators.
[rquote=614918&tid=150939&author=DraconicAcid]Bromothymol blue will work fine for the titrat ... |
10-6-2019 at 16:38
by: beeludwig |
PH indicators.
Hey all quick (hopefully) question. I teach high school chem. When I ordered my pH indicator weeks ... |
10-6-2019 at 16:18
by: beeludwig |
Probable zinc sulfate colloid
It should be. absolutely. I’ve never seen anything like it before. And I have no other ideas for w ... |
5-6-2019 at 07:57
by: beeludwig |
Probable zinc sulfate colloid
So I’m still testing the compound but my guess is that this is a colloid of zinc sulfate.
The ... |
5-6-2019 at 05:53
by: beeludwig |
PbI2 and electrolysis questions
I have some lead iodide in solution (obviously, most is in precipitate). Would it be possible to el ... |
3-6-2019 at 09:19
by: beeludwig |
Separation of paraffin wax
That’s really awesome idea. If they can’t fix the sink in time for classes this fall I’ll have ... |
28-5-2019 at 19:00
by: beeludwig |
Separation of paraffin wax
Well... at this point it’s 99% brainstorm. It’s not exactly a linear process. So originally here ... |
28-5-2019 at 11:51
by: beeludwig |
Separation of paraffin wax
I see what you guys mean. Do you think natural waxes, bee's wax etc, would be any easier to separat ... |
28-5-2019 at 10:37
by: beeludwig |
Separation of paraffin wax
Paraffin wax is just a mixture of long chain aliphatic carbons right?
Would it be possible to se ... |
28-5-2019 at 03:44
by: beeludwig |
Sulfur experiment ideas
Just so you guys know, my wife is exceedingly pleased that the longest part of this thread involved ... |
23-5-2019 at 16:33
by: beeludwig |
Sulfur experiment ideas
[rquote=613394&tid=150205&author=phlogiston]Zn+S is spectactular, and also allows you to mak ... |
23-5-2019 at 08:59
by: beeludwig |
Sulfur experiment ideas
[rquote=613358&tid=150205&author=j_sum1][rquote=613355&tid=150205&author=woelen]If y ... |
23-5-2019 at 04:49
by: beeludwig |
Sulfur experiment ideas
[rquote=613293&tid=150205&author=Daffodile]the reason I'm curious about the sulfur is that m ... |
22-5-2019 at 10:25
by: beeludwig |
Sulfur experiment ideas
[rquote=612945&tid=150205&author=j_sum1]I think I can probably enlighten you there, Charlie. ... |
18-5-2019 at 12:32
by: beeludwig |
Sulfur experiment ideas
They're high school level, but I hadn't heard of the Bead thing before. I did do some research into ... |
17-5-2019 at 06:40
by: beeludwig |
Sulfur experiment ideas
Sorry if that came across as dismissive. I didn’t mean to sound that way. I was just trying to ima ... |
17-5-2019 at 05:41
by: beeludwig |
Sulfur experiment ideas
Black powder? ROFL. When was the last time you were in a school. Ya’all going get me fired
Seri ... |
17-5-2019 at 05:18
by: beeludwig |
Sulfur experiment ideas
Hey guys,
The previous science teacher left a giant jar of sulfur. The stuff is pretty cheap, no ... |
17-5-2019 at 03:47
by: beeludwig |
tannin source
[rquote=612301&tid=149984&author=mayko]brew stores sell tannin for winemaking. This is the b ... |
12-5-2019 at 08:19
by: beeludwig |
Fe(II)O synthesis
So, suppose I made some FeO through decomposition of ferrous oxalate and added some solid CO2 to it. ... |
11-5-2019 at 14:40
by: beeludwig |
Science equipment looking for a home
Hey guys, I'm a chemistry teacher and I'd metaphorically kill for any type of equipment. I teach a ... |
11-5-2019 at 14:21
by: beeludwig |
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