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4 votes
6 answers
2k views

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, ...
Chemistry Boi's user avatar
-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 ...
quesoburguesa's user avatar
-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 ...
Opeoluwa Yusuf's user avatar
14 votes
2 answers
8k views

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 ...
Pritt says Reinstate Monica's user avatar
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 ...
Sam19KY's user avatar
  • 189
2 votes
2 answers
12k views

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 ...
user41046's user avatar
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 ...
darpet's user avatar
  • 113
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 ...
user avatar
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 ...
M.A.R.'s user avatar
  • 10.7k
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 ...
Li-aung Yip's user avatar
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 ...
Alex's user avatar
  • 1,717
6 votes
2 answers
2k views

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 ...
ARF's user avatar
  • 223