Applications of chemistry to reagents and reactions of everyday life.

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How to create artificial pumice rasp/file?

Kk I am trying to create a home made rasp/file like e.g [this] (http://xmpumice.en.alibaba.com/product/666398417-214835746/2_in1_Callus_buffering_Pumice_bar_dual_sided_pumice.html). I like the ...
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Will isopropyl alcohol dissolve the coating/paint of a notebook?

The notebook is a Dell Inspiron 6400 and the coating/paint is the silver on the palmrest and back cover. It says 99,4% on the container of the isopropyl alcohol.
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The sponge isn't foaming up, why?

When I add dish soap to a sponge it is able to foam up. But if I leave the sponge alone for an hour, it doesn't foam up, not even if it is wetted. Why? The sponge should still contain dish soap an ...
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34 views

Is Acrylamide carcinogenic? Why?

Recently concerned with health effects by common chemicals existent in food I've been rather busy reading article after article; and just an interesting one came around: Acrylamide (or acrylic ...
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51 views

What is the white substance left behind after boiling down water

I was boiling down water in a stainless steel pot as an experiment the other day. When the water was completely vaporised, a white substance was left behind on the bottom of the pot. I tried rubbing ...
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1answer
27 views

Why does a container in which a match burning cause suction?

As you see in picture a burning match in a container causes suction and this is a Traditional Therapeutic method to relive bone pain. What is the reason? I think it should be related to gas ...
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1answer
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Iodine ion vs caesium ion size

An iodine ion is the larger of the two, but why if they have the same amount of electrons? Also, $\ce{Li}$ is larger than $\ce{Li+}$, don't more electrons mean larger radius?
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33 views

Vapor Pressures [closed]

A solution containing hexane and pentane has a vapor pressure of 247 torr at room temperature. Pure pentane and hexane have vapor pressures of 425 torr and 151 torr respectively at room temperature. ...
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35 views

Polyprotic bases and acids

I just have a question on how do you do the polyprotic bases. Question: show how oxalate ion can be a polyprotic base: My answer -> $$\ce{OOCCOO ^{2-}+ HOH \rightarrow HOOCCOO^{-} + OH ^{-}}$$ ...
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23 views

Do chemicals undergo granular convection?

Do chemicals of an average weight, such as Polyethylene Glycols, undergo granular convection (the Brazil nut effect)?
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58 views

Dissociation of different compounds?

What would be the dissociation of Hydrosulfuric acid in the presence of water? I was thinking that Hydrosulfuric acid or $\ce{H2S}_{(aq)}$ would form $\ce{2 H+}$ and Sulfur ions. With this logic, I ...
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What causes the really bad smell of rotten potatoes?

Rotten potatoes have a distinctive unpleasant odour, and I can't find any definitive answer as to what the chemical involved is. I was thinking it might be Butyric acid, from the fermentation of the ...
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Concerning chemical symbols and their equations [closed]

Regarding chemical symbols and the equation one can use to represent chemical reactions. Has there ever been a type of algebra that can be used to generalize some basic chemical events where you can ...
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69 views

Why water boils vegetables but not oil?

Am having a crazy question. It may be crazy but I wanna know the answer... When we add vegetables to hot water (boiling), it boils the vegetables... But when we add vegetables to hot oil(boiling) it ...
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1answer
72 views

How are pencil marks “adhered” to the paper?

Pencils create marks by physical abrasion, leaving behind a trail of solid core material that adheres to a sheet of paper or other surface. Wikipedia Normal paper is mainly composed of cellulose ...
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1answer
28 views

Alcoholic proof and temperature

The US defines the "proof" of an alcoholic beverage to be twice the alcohol per volume percentage at 60° F (about 15.5° C) As someone who does not have a chemistry background, I am wondering what the ...
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86 views

Organizing my “chemical” cabinet

I'm reorganizing my garage (I do metalworking and some machining), and now I have an empty white cabinet that I'd like to dedicate to chemical stuff. I'm not a chemist, and I don't have the typical ...
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1answer
36 views

The standard for drinking water is 1300 mg/l and the first area has a value of 837 ug

I am trying to figure out the hazard quotient of copper compared to the standard. The standard for drinking water is $1300 \frac{mg}{l}$ and the first area has a value of $837 \mu g$. How do I convert ...
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Is it still possible for an amateur, a hobbyist, or a science buff to make relevant discoveries in chemistry today? [closed]

Consider astronomy. Hobbyists and amateurs are today still able to make small to moderate scientific contributions to their field. Is the same true in chemistry? I think there might be at least two ...
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1answer
45 views

What is the effect of Oxygen on soap foam?

I've been wondering the effect of $\ce{O2}$ on soap foam in a closed, test room. The room contains a candle and soap foam. That is to say: if the room has lower and decreasing $\ce{O2}$ in its air, ...
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1answer
68 views

How To Get A Double Displacement Reaction Going

So this may be somewhat of a newbie question but here it goes. I was tasked with figuring out how to make some $\ce{NH4ClO4}$(ammonium perchlorate). I found that one way of making it was to react ...
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1answer
43 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 ...
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Reviving a 6 Volt lead-sulfuric acid battery

I have a 6 Volt sulfuric acid battery used to power a golf cart that has all the acid drained out, and the usual solution was to add more water to the battery however I am afraid that would not work ...
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In order to be a gas does the pressure exerted by the gas has to be more than the atmospheric pressure?

In order to be a gas does the pressure exerted by the gas has to be more than the atmospheric pressure? Really simple, I think yes to this question but teacher says no. So what is your view into this? ...
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1answer
131 views

Is it possible to make broad spectrum light absorbing paint?

Is there such a paint / pigment that absorbs most wavelengths of light (beyond the visible light range) that can be used for solar heat generating applications? If not, would it be possible to make ...
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69 views

Chemical or Physical? I Think Physical

So I came across this question asking whether something is physical or chemical. Table Salt is Composed of $\ce{Na}$ & $\ce{Cl}$. Is it a physical property or a chemical property? I really ...
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Why doesn't HCl form when you dissolve NaCl in water?

Why doesn't HCl form when you dissolve NaCl in water? That is it. Why doesn't this happen. People say it dissolves but shouldn't the acid form.
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30 views

How can concrete set underwater?

I'm about to teach concrete to some high school children. I'm not a chemist but as I understand it the limestone cycle is this: ...
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34 views

Chemical Composition Changes in Liquids

Water is $\ce{H2O}$ in all it's states: solid(ice), liquid, and gas(water vapor). In your drink, when you add artificial flavoring and coloring, does it change the chemical composition of the water? ...
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What reactions can take place for the reactants $\ce{Ag/Ca^2+}$ and $\ce{Mg/Cu^2+}$?

Explain the following experiments and their results. What is their chemical equations as well? When immersing a Magnesium (Mg) chunk inside aqueous solution of Copper ions (Cu(ii)), a red-brown ...
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33 views

Will happen or not?

I have a few questions, I'm really confused with my own answers so an explanations on why each of them can or cannot happen will be appreciated. A. Is $\ce{H+}$ capable of oxidizing $\ce{Cu_(s)}$? ...
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1answer
34 views

How effective is a level A hazmat suit for immersion in deadly substances?

I know that level A type hazmat suits can protect against minor splashes, but could somebody in one survive without harm after complete immersion for a few minutes in deadly chemicals such as Sodium ...
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The reaction of Nitrogen trichloride explosion is 2NCl3(l) -> N2(g) +3Cl2(g); which of the graphs represents this reaction?

This is a homework question and I'm finding it hard to understand, so an explanation why will be great. Image of graphs a, b, c, d Thanks!
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Alternative PCB etching solutions - Is KMnO4 or NaCLO suitable oxidizer?

I need to etch small PCB for my project, since I do this once in a blue moon I would like to try some easy approach, preferably with household items. I'm aiming at the use of acetic acid with hydrogen ...
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38 views

Clean silver with aluminum foil and *

I already have two questions touching on this subject and there is a third question as well. The thing is that all the other question talk about cleaning silver with aluminum foil and carbonated ...
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Can fully-hydrogenated oils be mixed with unsaturated oils for use in food (margarines, etc)?

Would it be feasible to mix fully hydrogenated oils with unsaturated oils (eg. soybean oil) to create an edible fat with the consistency of margarine? If so, what is the motivation for ...
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1answer
61 views

How is tea affecting water's color?

Black tea is an amazing product of the green tea leaves. A recent study has proven that; The anion profile for the tea solution indicated that oxalate and citrate were the major anions detected. ...
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What is the chemistry behind cleaning silverware with aluminium foil

This question has a accepted answer on this sit already What happens during cleaning silverware? but the reason I ask the question again is because I found different "recipes" for the technique and ...
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Clean tin with aluminium

I've been using aluminium foil and table salt to clean my silverware for a long time without actually concerning myself with the chemistry behind it. A couple of days ago i started digging into the ...
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76 views

Fireplace window: Can one influence how fast soot is building up?

I'm sorry for such a stupid question, but after googling for half an hour I know two things There are at least a zillion pages, blog-posts and articles about how to keep your fireplace window clean ...
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1answer
81 views

What compounds exist in the bitter peel of specific fruits?

Actually, my original question was: What makes a pith of pomegranate so bitter? Then I decided to be more generic. You'll hardly find someone that consumes pomegranate and doesn't nag about the bitter ...
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1answer
60 views

what is the white fuzz left behind on basement floor after puddle evaporated

My basement is quite dry (knock on wood!). Recently I brought into the basement for the winter a table from outside. The table had some ice stuck to it which I couldn't remove, so I simply let it ...
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1answer
42 views

Neutralizing sulfur-like smells in car

A full bottle of jewelry cleaning (links product and material safety data sheet below) broke in my car and went unnoticed for a few days. Now the car has a sulfur-like smell whenever I go into the ...
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1answer
35 views

Aspartame poisoning: Can it modify aminoacids?

I just accidentally closed a webpage (and did not find it later) which described that somehow, Aspartame poisoning victims had faults in the vital proteins of their body due to the reaction of ...
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Why is methanol toxic?

There are two points of view for the answer of this question: The biological view, the only one that I faced during my research, states that since it can trigger perilous conditions like metabolic ...
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How does grease become airborne?

When cooking in the kitchen you usually use some oil or butter to bake your meat and potatoes in. After some weeks without cleaning (which happens every now and then) the surroundings of the stove ...
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Chemical Thermodynamics

In this pic, you can see the report for lab work. I did the labwork, and it is asking -to find delta H pr -? -delta H (theor)-? -error ? Please help me to find those
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Galvanic Cells, theoritical voltage [closed]

This reaction proceeds in the galvanic cell: $$\ce{Zn + Pb^{2+} -> Zn^{2+} + Pb}$$ I need the equation for the half-reactions of this cell and the theoretical voltage produced by this cell if ...
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Why does microwave heat up things so much more quickly than visible light?

I wonder why microwave has more "energy" to heat things up than visible light does. Microwave has a much longer wavelength, therefore should supposedly has less energy than visible light. But does ...
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Is there a substance that would react with seawater to produce a dense, insoluble, nonporous precipitate?

Is there a substance that would react with seawater to produce a dense, insoluble, nonporous precipitate? Alternatively, is there a hygroscopic substance that will absorb water and expand into a ...