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Change in weight due to the moons gravity. You guys are missing the fact that the moon's effect on the earth is *tidal*, that is, the moon pull ... |
23-10-2019 at 08:32 by: annaandherdad |
Change in weight due to the moons gravity. Is this intended to be a question? If it is, then there is probably an answer (it depends on preci ... |
22-10-2019 at 09:36 by: annaandherdad |
Lithium salt red fire I hope to add something of interest to this old thread. My daughter has been doing the flame test ... |
19-10-2019 at 07:59 by: annaandherdad |
Any other calcium salt from Calcium Sulfate? This discussion is relevant to some fun I had with some kids, evaporating sea water.
CaSO4 has lo ... |
5-9-2019 at 09:06 by: annaandherdad |
HCl Preparation with no other strong acid [rquote=154135&tid=12318&author=entropy51]Mossydie,
The Golden Book of Chemistry Experim ... |
15-5-2018 at 20:51 by: annaandherdad |
Creep/Crawl of salts - up dish wall - as liquid evaporates I've heard it called "evaporative creep".
I was involved in a project to separate the salts in ... |
31-3-2018 at 17:46 by: annaandherdad |
Process to practically condense large amount of atmospheric water or dew I have wondered if it would be practical to use the cool water of the deep ocean to condense moistur ... |
19-2-2018 at 10:58 by: annaandherdad |
atomic weight of iodine diddi---good explanation. I would add this: The strong force between the protons and neutrons is ... |
29-4-2016 at 19:29 by: annaandherdad |
extraction of copper nitrate Why don't you just evaporate the water (after filtering the strontium sulfate) to get copper nitrat ... |
6-4-2016 at 09:35 by: annaandherdad |
Beginner posts We all started as beginners. There may be some with ulterior motives (beyond curiosity or interest ... |
6-4-2016 at 09:29 by: annaandherdad |
SO2 and Cl2 by decomposition, both at once? woelen, in this reaction you describe, Cl2 + SO2 + 2H2O -> 2HCl + H2SO4, do you know if it's pos ... |
30-3-2016 at 12:49 by: annaandherdad |
Best way of converting salts to Ni(NO3)2and Co(NO3)2 I don't know if this will help, but once when trying to precipitate zinc carbonate I got a horrible ... |
27-3-2016 at 16:01 by: annaandherdad |
Would any solid element be invisible/transparent if you could stop electrons from absorbing, and emission light photons.? You can't stop photons from interacting with electrons. Photons produce an electromagnetic field, ... |
23-3-2016 at 12:36 by: annaandherdad |
Crystallization of Iron(II) sulfate Yes, that's true, and I certainly don't know if it does, but if you just evaporate some and find cry ... |
23-3-2016 at 12:34 by: annaandherdad |
Crystallization of Iron(II) sulfate For fractional crystallization, you need to pay attention to the fraction of each substance present, ... |
23-3-2016 at 06:43 by: annaandherdad |
Looking over the border: EU-Regulations Speaking of matches, I hate the kind they sell now. They are hard to light and don't stay lit once ... |
17-3-2016 at 06:28 by: annaandherdad |
Cleaning dishes with NaOH About 10 years ago my mother had some dishwasher detergent whose active ingredient was NaOH. It wa ... |
14-3-2016 at 09:08 by: annaandherdad |
Dissolution of tungsten in H2O2 Stibnut---yes, you were more explicit in making the point I was trying to make. blogfast---yes, th ... |
14-3-2016 at 08:59 by: annaandherdad |
Dissolution of tungsten in H2O2 That was a thoughtless reply.
If the rods are reasonably old, ten years or so, then you'll have a ... |
13-3-2016 at 15:47 by: annaandherdad |
Dissolution of tungsten in H2O2 If you have a geiger counter it is a good way to find out when and how you are concentrating the tho ... |
13-3-2016 at 15:41 by: annaandherdad |
A puzzler: "Fun" with Averages No, if Sue ("his" name) shined a light beam back toward his starting point, instead of driving back ... |
12-3-2016 at 07:32 by: annaandherdad |
A puzzler: "Fun" with Averages Infinity.
The problem only deals with ratios, so the answer doesn't depend on the distance travel ... |
11-3-2016 at 21:17 by: annaandherdad |
Looking over the border: EU-Regulations blogfast---yes, it looks like Chem 3000 is a real chemistry set, and it's available in the US, too. ... |
11-3-2016 at 09:28 by: annaandherdad |
Looking over the border: EU-Regulations I watch these development in the EU from where I am (US) with the utmost dismay. Of course similar ... |
10-3-2016 at 11:10 by: annaandherdad |
Absorption of Light Mechanism [rquote=440369&tid=65453&author=fluorescence]Hey there,
How does the Absorption of Light ac ... |
1-3-2016 at 09:46 by: annaandherdad |
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