All Questions
Tagged with ionic-compounds everyday-chemistry
12
questions
4
votes
6
answers
2k
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Does an ionic bond have a dipole?
Is an ionic compound like NaCl considered a dipole? It has a positive side (Na+) and a negative side (Cl-). Or is it true that an ionic bond does not have a dipole because a dipole is, by definition, ...
-2
votes
2
answers
95
views
Are mixtures of finely ground solid fertilizer compounds stable? [closed]
If I had a combination of the following as finely ground powders, would it be relatively stable, or would they react to form other compounds?
Sodium Nitrate
Ammonium Nitrate
Calcium Nitrate
Potassium ...
-3
votes
1
answer
490
views
How do I calculate weight percent of BaCl2
A $\pu{0.1036 g}$ sample containing only $\ce{BaCl2}$ and $\ce{NaCl}$ is dissolved in $\pu{50 mL}$ of distilled water. Titrating with $\pu{0.07916 M}$ $\ce{AgNO3}$ requires $\pu{19.46 mL}$ to reach ...
14
votes
2
answers
8k
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If I drink water without sipping, is there a chance of saliva diffusing into my bottle?
I always prefer to drink water without sipping, like this:
I do this so that my saliva doesn't contaminate the water contents, which would make the water impossible to share with my friends.
But ...
1
vote
1
answer
907
views
Charge density is the amount of charge per unit volume but what is charge?
I was studying about x ray crystallography and my book says that charge density is measured in electrons per nano-meter cubed and this means that charge is the amount of electrons. But i am not sure ...
2
votes
2
answers
12k
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What is the yellow precipitate formed from reacting diamminsilver fluoride and potassium iodide?
These two compounds, silver diamine fluoride and potassium iodide (actually a solution called Lugol’s solution), are being used together in dentistry.
When combined they form a yellow precipitate. I ...
1
vote
1
answer
134
views
Air ionization, positive ions
Sharp air cleaners has a technology called PlasmaCluster. They say that it produces negative ions $\ce{O-}$ and positive ions $\ce{H+}$ (the difference with classical ionization is that ionization ...
9
votes
1
answer
314
views
Smoke alarm ion neutralisation
Smoke alarms are a necessary part of many modern day buildings, especially in laboratories and of course, the family home.
According to the World Nuclear Association page Smoke Detectors and ...
2
votes
1
answer
347
views
Is table salt sticking to my laptop?
I was reviewing first posts here, and eating a juicy and salty (table salt) tomato at the same time. Suddenly, I realized that a few table salt crystals have been poured down on my mousepad.
I got ...
6
votes
5
answers
10k
views
Epsom salts - heavy metal contamination myth?
This recipe for home-made handwash (liquid soap) consists of bar soap, water, Epsom salts, and coconut oil.
The author specifically warns against using 'artificial' Epsom salts, preferring the ...
8
votes
3
answers
13k
views
Chemically removing rust without leaving any unwanted residues
I have this iron pan that got rusty from not being properly dried. Scrubbing it I was able to get rid of most of the rust, but there's still some I just can't remove. I thought I could chemically ...
6
votes
2
answers
2k
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Good acid for cleaning marine toilets
Problem:
On my boat I have a marine toilet. It is operated with salt water.
The problem is, on the interior of the outflow tubing it accumulates some sort of hard grime. I am looking for a good way to ...