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Results tagged with everyday-chemistry
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Applications of chemistry to reagents, reactions and processes of everyday life. Use this tag for question on chemistry in an out-of-laboratory/class context. DO NOT use this tag merely because the question is about simple chemistry.
4
votes
Stoicheometry questions: I've been having a bad time not understanding the questions and how...
It often helps to
ask yourself: What are they actually asking for?
reorder the information given in the question.
Let's try this for the first question:
Apparently, this is about cetyl palmitat …
- 44.2k
1
vote
Silk Amino Acids and Fruit
You probably can.
So-called silk amino acids are also known as sericin, which are small proteins with a high serine content. There is a review in Scientific & Industrial Research, 2004, 643, 323-329 …
- 44.2k
3
votes
Does bleach react with disinfectants containing quaternary ammonium salts?
Calling poison control first was the best thing you could do! Thumbs up!
Please note that we're usually reluctant to give medical advice - we don't want to get you or anyone in your house get killed …
- 44.2k
3
votes
What element is/used to be called Fb?
Given that Facebookium ($\ce{Fb}$) does not exist, it is most likely a typo/transfer error for the first character of the element symbol.
The possible choices are $\ce{Rb}$, $\ce{Pb}$, $\ce{Sb}$, $\c …
- 44.2k
3
votes
how can i clear that secret Veneer
Use household tools!
Can you bend or fold the note? Is the layer brittle and does break off?
Can you scratch the layer off with a sharp blade?
Place the note between paper (kitchen roll) and use a h …
- 44.2k
3
votes
Phenolphthalein indicator spill onto skin
Didn't you receive the SDS for phenolphtalein (or its methanolic/ethanolic solutions)?
Weren't you given instructions on how to handle it?
Didn't you wear suitable gloves in addition to your safety g …
- 44.2k
11
votes
Why is the Vitamin B complex, a "complex"?
In J. Biol. Chem., 1913, 15, 167-175,
an article titled The Necessity of Certain Lipins in the Diet During Growth,
E. V. McCollum, one of the pioneers in vitamin research did indeed use the term "com …
- 44.2k
3
votes
Are modern newspaper inks a health risk?
Before anybody may wrap some food in a newspaper, it needs to be printed.
Given that workers in print shops are the first that are exposed to potentially dangerous compounds, this is a matter occupat …
- 44.2k
2
votes
Accepted
What happens to potassium bitartrate (cream of tartar) at temperatures exceeding 1000°F?
If I remember correctly, tartrates of group 1 and group 2 metals are converted to the corresponding carbonates upon heating ($\pu{1000\!^\circ F = 538^\circ C}$).
In your case, potassium carbonate, …
- 44.2k
3
votes
Anodized Aluminum...danger?
[…] How long does the anodization last? Like how long does it take for erosion to take place? […]
This depends on the thickness of the oxide layer, the cleanliness of the aluminium surface before …
- 44.2k
1
vote
Toxic levels of baking soda
Baking soda is sodium hydrogencarbonate, $\ce{NaHCO3}$, also known as sodium bicarbonate.
The only toxicological data in the GESTIS database on hazardous substances
is a LD50 of 4220 mg/kg for the o …
- 44.2k
1
vote
Why are vegetable oils better than water in cooking?
Our food is the source of many compounds that are needed to keep our body working. Some of these are directly available from the food (vitamins), others (provitamins) have to be converted first in our …
- 44.2k
2
votes
Is the mixture of alkyl dimethyl benzyl ammonium chloride and vinegar dangerous?
Please note that I worked in medical research, but I am not a medical doctor!
I think that you're safe, and I cannot imagine a reaction between acetic acid, the main component in vinegar, and a quart …
- 44.2k
4
votes
Controled burn colored fire and safety
I've done some research about it, and have found that the salts of some metals can be used for the intended purpose (for instance, copper sulphate burns green).
You're right! Various melts salts …
- 44.2k
8
votes
Separate precious metals from catalytic converter
Let me try to talk you out of it ;-)
The precious metals in a catalytic converter sit in a honeycomb ceramic that contains a lot of synthetic Cordierite. This material isn't only heat-resistant, but …
- 44.2k