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AP Exam in Three Days??!?
Test was today for americans. The chemistry department was empty today. |
11-5-2010 at 11:30
by: Skyjumper |
AC Refrigerant Questions
Remember, Come about end of may, early june you can replace it and get a whole new system for around ... |
11-5-2010 at 11:23
by: Skyjumper |
Inert liquid with high boiling point ??!!?
NOT GLYCEROL. You need a NON CONDUCTIVE substance. Mineral oil was used in a demo I saw (a PC was su ... |
10-5-2010 at 08:45
by: Skyjumper |
Inert liquid with high boiling point ??!!?
How about the liquid you buy for pc cooling? You dont need a high boiling point.
UTFSE!
Anti-f ... |
6-5-2010 at 11:55
by: Skyjumper |
hOW TO PRODUCE HBr INSITU???
[img]http://seriouslulz.com/wp-content/uploads/2009/04/1238342206663-480x384.jpg[/img] |
28-4-2010 at 18:41
by: Skyjumper |
Problem concentrating H2SO4
Why not use drain cleaner H2SO4, Its already concentrated. |
23-4-2010 at 14:00
by: Skyjumper |
Early chemists obtaining their reagents from nature.
or how bromine was first found from I believe sea weed? |
21-4-2010 at 12:39
by: Skyjumper |
Bad Chemistry on TV
Thats true. I guess I should run out to the store, I'm almost out of blue food dye. I cant do any ac ... |
20-4-2010 at 20:37
by: Skyjumper |
Bad Chemistry on TV
One thing I never got was the huge science scenes in shows where they would have liquid bubbling thr ... |
19-4-2010 at 19:57
by: Skyjumper |
Nitric question
Why not just the H2SO4 nitrate route (H2SO4 is cheap hardware store stuff) |
18-4-2010 at 09:45
by: Skyjumper |
Condenser cooling
You could put your bucket of ice water in one of those dorm fridges (the small ones). Safer than dum ... |
18-4-2010 at 09:34
by: Skyjumper |
Piperine Extraction Question
http://www.wolframalpha.com/input/?i=10%25+KOH |
17-4-2010 at 18:04
by: Skyjumper |
Drying IPA - easiest method
IPA = Isopropyl alcohol (: |
15-4-2010 at 04:48
by: Skyjumper |
Latest chemical order?
We just passed in a purchase order for
500ml 30% H2O2
500g MgSO4
100g Silver Nitrate
2kg washing ... |
11-4-2010 at 18:27
by: Skyjumper |
Bottles for Acids?
Apparently so. My supplier doesn't have them. |
3-4-2010 at 16:36
by: Skyjumper |
methyl salicylate
Thanks a ton. I'l add another 14 grams and let it go for another 2 hours (probably split over 2 days ... |
3-4-2010 at 13:30
by: Skyjumper |
methyl salicylate
After thinking, I think what I will do is add another 20 grams of salicylic (I have 100mls to 10gram ... |
2-4-2010 at 20:22
by: Skyjumper |
Bottles for Acids?
I still use plastic caps. and I have some 6m stored in a plastic nalgene bottle (chemlab nalgene, no ... |
2-4-2010 at 12:30
by: Skyjumper |
Experimenting with mercury
stocking up looks bad to this radical gov't Better have an explanation that isnt 'The government suc ... |
2-4-2010 at 12:27
by: Skyjumper |
methyl salicylate
oh course. I only added maybe 2 mils (maybe...) I think I may redo the expariment. I was going off o ... |
2-4-2010 at 12:19
by: Skyjumper |
Experimenting with mercury
Junk yards, and metal recycle centers may give it to you (why pay hazmat when it can disappear into ... |
1-4-2010 at 18:43
by: Skyjumper |
KClO3 from lie,too easy! (?)
Could be the 61 posts in a little under 4 years. Just sayin' and "expensive electrodes" I don't use ... |
1-4-2010 at 17:25
by: Skyjumper |
methyl salicylate
I'm doing this now. I refluxed 10g of salicylic to 100ml of methanol for an hour (I ran out of time) ... |
1-4-2010 at 17:17
by: Skyjumper |
Bad days in the lab or with glassware?
add to that a glass reagent bottle filled with 12.5 molar NaOH. To answer your question, it seals up ... |
31-3-2010 at 17:54
by: Skyjumper |
Very odd piece of high precision glass, any ideas?
I am wondering if number 2 is a reflux for a large flask, and the idea is that the top isnt really u ... |
30-3-2010 at 18:11
by: Skyjumper |
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