| Search |
| [Next Page] |
H2O2 ratio needed to dissolve metals in acid - 2:1 ratio or more?
Yeah, think about it - if you have 35% or 3% H2O2 you can’t just use the same volume for either si ... |
12-4-2018 at 22:01
by: LearnedAmateur |
Producing H2SO4 via electrolysis of ammonium sulphate
Can’t comment on the electrolysis itself but there is no reduction or oxidation going on - it’s ... |
11-4-2018 at 06:17
by: LearnedAmateur |
Where does heat go in a battery?
[rquote=513766&tid=81854&author=RawWork]It's still weird tough. It means that the higher res ... |
10-4-2018 at 13:43
by: LearnedAmateur |
Where does heat go in a battery?
Electrical based heat comes about as the electrons knock into atoms, transferring some of their ener ... |
10-4-2018 at 06:18
by: LearnedAmateur |
Lab Labels
Figured that was it, just wanted to make sure though - didn’t doubt that you’d’ve double check ... |
10-4-2018 at 04:04
by: LearnedAmateur |
Only Half Human
Kinda makes people look like idiots when they say ‘we’re all human’.
But yes, we are teemin ... |
10-4-2018 at 04:01
by: LearnedAmateur |
Lab Labels
Nice work, I’m sure they’ll come in handy for a few at least, I usually just use a whiteboard ma ... |
10-4-2018 at 03:52
by: LearnedAmateur |
What is stronger? Sunlight or artificial light?
Except none of the planets are black-bodies, which are objects that absorb radiation perfectly hence ... |
9-4-2018 at 06:11
by: LearnedAmateur |
What is stronger? Sunlight or artificial light?
It’ll give off radiation, but won’t it reach equilibrium? Reaching a certain temperature through ... |
9-4-2018 at 04:18
by: LearnedAmateur |
Latest chemical order?
Ordered myself and received a litre of DCM, plus 500g of NaNO2 - will need to set up for a crystalli ... |
9-4-2018 at 01:32
by: LearnedAmateur |
Robotics - building an dual axis (X,Y) camera mount
Talking about telescopes since my knowledge of electronics could be improved, I get some lovely shot ... |
8-4-2018 at 22:08
by: LearnedAmateur |
Lab Books
Maybe not at institutions but I always took my high school lab book home with me, complete with iodi ... |
8-4-2018 at 21:27
by: LearnedAmateur |
What is stronger? Sunlight or artificial light?
How powerful is the laser? If you’re talking about a 1mW pointer or even a 100mW burning laser the ... |
8-4-2018 at 12:43
by: LearnedAmateur |
Lab tips & tricks
[rquote=513539&tid=81777&author=DavidJR]
Often when I've used a spare beaker as a flask sta ... |
8-4-2018 at 11:56
by: LearnedAmateur |
How to find or define units?
[rquote=513504&tid=81797&author=RawWork]But how can you be sure such tools are all synchroni ... |
8-4-2018 at 09:52
by: LearnedAmateur |
How to find or define units?
To be fair, we have so many measuring devices in existence that I can’t really imagine we’d have ... |
8-4-2018 at 05:26
by: LearnedAmateur |
Lab tips & tricks
[rquote=513336&tid=81777&author=j_sum1]The rolls can act as stands for RBFs.The tape is good ... |
8-4-2018 at 03:34
by: LearnedAmateur |
How to find or define units?
[rquote=513441&tid=81797&author=aga]So they are hard enough to machine into shape when 'dry' ... |
8-4-2018 at 01:46
by: LearnedAmateur |
How to find or define units?
Oh, yeah, the lens plastic (short cylinders called blanks) is hard when on the lathes and then it ba ... |
7-4-2018 at 12:28
by: LearnedAmateur |
How to find or define units?
Maybe if you’re dealing with many thousands of kilometres, but a nanometre is an incredibly small ... |
7-4-2018 at 09:20
by: LearnedAmateur |
Using solid Sodium Hypochlorite to generate Chlorine?
You should be able to use solid hypochlorites with HCl considering it has plenty of water, the react ... |
7-4-2018 at 06:46
by: LearnedAmateur |
Mystery Glassware Identification Thread
[rquote=513392&tid=31602&author=RogueRose]
Maybe some kind of glass mortar & pestle. It ... |
7-4-2018 at 05:23
by: LearnedAmateur |
Deep Joy
Looking it up, the name of the weapon actually comes from the bowl, didn’t even know that when I m ... |
6-4-2018 at 12:48
by: LearnedAmateur |
Deep Joy
Mortar is the vessel itself, I just think of it like the mortar weapon, back when they were shorter ... |
6-4-2018 at 11:27
by: LearnedAmateur |
What's The Science Behind Hair Straighteners?
You can use them without knowing how they work, sure, but you definitely need to know the concepts i ... |
6-4-2018 at 00:35
by: LearnedAmateur |
| [Next Page] |
