Questions tagged [everyday-chemistry]

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.

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14
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1answer
460 views

What factors promote honey's crystallisation?

Honey is a complex mixture containing, probably, more than hundred compounds. I understand that the % of those components will affect the crystallisation. However, I am wondering what factors may ...
3
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1answer
360 views

Why is the boiling point of sugarcane juice lower than the boiling point of water?

As the boiling point is a colligative property, one would expect that the boiling point of sugarcane juice should be higher than pure water because Sugarcane juice contains water (75–85%), non-...
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0answers
23 views

real meaning of osmotic and turgor pressures

I am a high school student and I am very confused in how we define osmotic pressure? Osmotic pressure is defined as the pressure required to stop the diffusion of solvent into a solution by applying ...
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2answers
103 views

Does carbonation permanently increase the acidity of soda water?

If you carbonate water, and then expose the resulting soda water to the atmosphere and wait until it goes completely flat, will the (former) soda water end up more acidic in final equilibrium than ...
-2
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2answers
291 views

What is the essence of chemistry? [closed]

I am an engineering student who loves physics but didn't quite enjoy chemistry. a. When I was in high school chemistry to me was something not as inspiring as physics but in which I couldn't solve ...
3
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1answer
178 views

Are there safe inks that allow one to eat a fish after painting it?

Just came across a specific type of art called Gyotaku where specific types of ink are used to paint over one side of a fish and then a paper (rice paper, shoji paper, ...) is placed on top in order ...
0
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1answer
34 views

How to thicken Paint [closed]

I'm non technical and have a question that you can hopefully help me out with as I've been searching online and so far haven't found any answered I'm looking for a product that will thicken the ...
1
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3answers
77 views

Need reactants for a rocket [closed]

I am doing a project in chemistry at the moment to build a rocket out of materials that can be easily bought and that react strongly to create thrust. I was wondering if anyone knew a good chemical ...
0
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1answer
38 views

How does lead toxicity from jewelry happen vs. occupational exposure?

It is known that lead levels in jewelry is a problem, especially for children (https://dtsc.ca.gov/toxics-in-products/lead-in-jewelry/). As a parent with jewelry-loving children I am aware that ...
2
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0answers
109 views

Can I extract solid sugar from any fruit juice at home?

The goal here is to isolate the sugar from all other compounds in the juice. In this case, I'm using apple juice and grape juice. The sugar does not need to be edible, as it is being used to make r-...
1
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1answer
727 views

Chemical to dissolve rubber/latex glove

I seem to have a drain pipe in my flat blocked by what seems to be a latex/rubber glove. I am unable to pull it out — is there a chemical that can reliably dissolve the glove and at the same time not ...
2
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1answer
285 views

How can you extract palladium from palladium chloride

Hey guys I am working on a school project, focused on how precious metals can be recycled from industrial products. I am very much not an expert on the subject of chemistry. But I am just trying to ...
12
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1answer
2k views

How many electric vehicles can our current supply of lithium power?

This Reddit comment contends There was 870 tons of lithium mined in 2019 in the US. That enough for under 20,000 cars, assuming you're using ~50 kg per car. So that would be 40,000 in 2023, assuming ...
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0answers
41 views

How does flocculation in paint work?

I recently learned that you can clean up latex paint wash-up water by flocculating it: adding aluminum sulfate and hydrated lime. I vaguely remember how flocculation works in clay slurries (change in ...
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0answers
40 views

Parallel reactions for one product

For me it is clear how I could solved the kinetic of a parallel reaction like this But, how can I solve if this would be the case: Thanks in advance!
-2
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1answer
41 views

Is there a word for "damage done by fire" of a material? [closed]

If a house had a wooden frame and was caught in a fire, there'd be nothing much left at the end. The damage would be huge. If a house had an iron frame and was caught in a fire, it probably wouldn't ...
2
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1answer
138 views

How does heat transfer between molecules happen in deep?

Inside the container is cold water and outside the container is hot water. B is the microscopic view of container walls .W is water And A is hot water. What I have shown is the microscopic view of ...
7
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1answer
1k views

What is the optimal voltage for storing a 3.7 V lithium polymer battery?

According to this website, storing a lithium polymer (LiPo) battery/cell at around 40% capacity would be more beneficial for the lifespan of the LiPo cell comparing storing the battery at 100% ...
0
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1answer
65 views

What chemical reaction happens on worn out metal handles?

I randomly came across a picture of this. It's the comparison between right handed and left handed people. As more people use the door handle, the metal becomes more faded and turns gold color. What ...
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0answers
26 views

Why do iron objects leave black marks on laminate countertop [closed]

My over 30 years old laminate kitchen countertop had accumulated a lot of marks over the years that no cleaner would remove. I finally gave up and decided to use chlorine bleach on it knowing that ...
2
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1answer
146 views

How easy is it to make animal horns transparent?

I never knew that HORN in HORNbook refers to animal horns, or animal horns can be made transparent? If Medievalists can make it transparent, the transparency process must've been cheap easy and quick, ...
0
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0answers
13 views

Are there any silicone like substances that cure far faster?

I was wondering if there are any silicone like substances that cure far faster. Are there any substances that you can mix together to create a fast curing elastic like substance like silicone? Are ...
2
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0answers
29 views

General Question about transferring Solution from containers (Workplace Related)

At my workplace we will soon begin diluting a solution to specific concentrations, this is done within a specific container. The solution to be diluted is provided by a manufacturer in the following ...
3
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1answer
132 views

Can we predict the IMF strength of Acetone vs Glycerol?

I was recently assigned a lab where I was to observe several properties of the chemicals Acetone and Glycerol then use my observations to predict their overall Intermolecular Force strength. The ...
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2answers
51 views

Pink gatorade turned bluish purple by thick clear liquid [closed]

If I had two teaspoons of pink strawberry gatorade and one teaspoon of a clear thick liquid and when mixed together it turned bluish purple in a chemical reaction, what might the thick clear liquid be?...
3
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1answer
82 views

Detecting impurities in polyethylene glycol 3350

I would like to test samples of polyethylene glycol 3350 ($\ce{H−(O−CH2−CH2)_n−OH}$ with an average molecular weight of 3350, so n is around 75) to determine if there are any impurities and if so the ...
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1answer
450 views

What's the difference between Zinc Ascorbate and Zinc Gluconate?

I've been looking at a dental product for pets, called MAXI/GUARD Oral Cleansing Gel and it states it uses zinc ascorbate/taurine, however in the ingredients I found elsewhere it instead lists zinc ...
1
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1answer
38 views

What does the term 'by mass' mean with respect to different contexts?

I've seen the term 'by mass' being used in various sorts of contexts. Some, while explaining the law of definite proportions say, the 'same proportions by mass', some say 'constant chemical ...
-3
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1answer
509 views

Why is Hydroxide OH negatively charged [closed]

I am confused as to why OH has a negative charge, between all of the bonds and the free electrons there are 8 electrons and there are 9 protons (8 from the oxygen and 1 from the hydrogen) there are 9 ...
1
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1answer
32 views

Viability of reduction of oil paint binder and solvent flammability upon disposal via addition of water

As an artist, when disposing of a paper towel or cotton rag containing oil paint, turpentine, odorless turpentine substitute or mineral spirits at the end of a painting session, I generally pour water ...
0
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1answer
66 views

Melting point of objects and food

What is the melting point of egg yolk? Well, generally, when we break an egg, the yolk is in liquid state. After we pour it on a pan, the egg starts to cook and it hardens. My question is, can an egg ...
0
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1answer
349 views

Is using oxidized aluminium baking forms safe? [closed]

My apologies in advance if this is not the best forum for this kind of question. Recently, I've bought a few non-anodized aluminium bread-baking forms, such as this one: As you can see, there is ...
-4
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1answer
170 views

Calculating the amount of moles from given number of atoms [closed]

Complete the sentences below by doing the mole calculations: i)In $\pu{20 mol}$ of copper(II) phosphate, there are ______$\pu{mol}$ of copper ions and ______$\pu{mol}$ of oxygen atoms. ii)A sample ...
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1answer
206 views

How do i get acetic acid from vinegar?

I'm trying to improve my rocket project, but, since the competition only allows the use of vinegar and sodium bicarbonate as its fuel, I had an idea of using the vinegar in a different way. My plan ...
-2
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1answer
70 views

Can water be generated artificially [closed]

As we all know water that in many of the countries or states we find a lot of water scarcity. I wonder if water could be produced by artificial technology. I searched about this in google but I find ...
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1answer
46 views

Synthesis cost of Fomepizole

Fomepizole is essential drug for methanol poisoning, I observed it cost too much like in 1000's of dollar for couple of ml. Is cost due to patents, or due to synthesis cost,structure of molecule looks ...
27
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2answers
3k views

The importance of the cold chain in the food and the pharmaceutical industry

There are these everyday things that one should know as a scientist and especially as a chemist, but which never come to light in an academic curriculum — at least not in mine. One such thing is the ...
0
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2answers
73 views

Do hydrogen sulfide and oxygen produce pure sulfur or sulfur dioxide? If both, under which circumstances does each scenario occur? [closed]

If both of the following hydrogen sulfide and oxygen chemical equations can occur, under what circumstances is the harmless pure sulfur and the toxic sulfur dioxide produced? $\ce{2H2S + O2 -> 2H2O ...
0
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1answer
85 views

What is the chemical formula(s) for liquid potassium-based soap? [closed]

Many places say that liquid soap is generally potassium-based, while the solid stuff is sodium-based. But, while I have found several sites saying that solid soap is usually sodium stearate, I can't ...
2
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1answer
78 views

Tools like Litmus Paper

Litmus papers are used to test acidity and alkalinity of a fluid. Are there other paper-based tools to test for other stuff like dissolved oxygen, presence of toxicity, electric potential etc?
2
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2answers
95 views

What's the usual agent added to discourage drinking of hazardous substances

I've once read somewhere that in materials that are hazardous to swallow, a chemical is used in very small quantities to assure any accidental drinker to retch. This also helps to prevent suicide by ...
0
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1answer
891 views

Calculating numbers of moles at equilibrium given the volume of mixture and initial concentration of reactants [closed]

The equilibrium between three substances, A, B and C Is shown below. $$\ce{A(g) + B(g) <=> C(g)}$$ Initially there were $\pu{0.1 mol}$ of A and $\pu{0.2 mol}$ of B in the reaction mixture. A and ...
-2
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1answer
28 views

Regarding comparison of ionization energies [closed]

Why is the ionization energy of $\ce{Mg^2+}$ greater than the ionization energy of $\ce{Ne}$ (neon)? My teacher said the answer was $\ce{Mg^2+}$ but I have no idea why as my general knowledge tells ...
3
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0answers
70 views

Separation techniques [closed]

I need to identify separation processes that begin with each letter of the alphabet. I am missing an example for B, J, K, O, Q, X, Y, and Z. Any help will be greatly appreciated. Thank you.
3
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0answers
71 views

How can I solubilize fragrance oil into polyvinyl acetate/clear glue?

I'm a high school student who makes slime for fun, using polyvinyl acetate (PVA) glue and borax as my main ingredients. Earlier, I had the idea of adding fragrance oils to clear glue. However, because ...
-4
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1answer
61 views

Why doesn’t it burn? [closed]

In this video by Chatzida - 11 Fascinating Chemistry Experiments (Compilation) there’s an experiment where they light a bank note on fire, but it doesn’t burn. Why doesn’t it burn?
3
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2answers
204 views

Why and how is rust forming on moon?

note: @Mithron's proposed duplicate Why can't rust form without water? does not have anything about the conditions on the Moon, so no, it's not a duplicate. Several popular news articles mention ...
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1answer
199 views

Acids and Bases (Spectator Ions Identification)

In an acid reaction with water, or other solvents, how do we know which atom(s) from a compound reacted with that solvent are the spectator ions? Are they the ones soluble in the solvent? Is the way ...
3
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0answers
128 views

Cleaning silicone molds

I am a musician who wears custom-molded in-ear monitors made of silicone. They are rather expensive so I need to constantly clean them and carefully. I was told not to use isopropyl alcohol (96%) ...
7
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2answers
1k views

Why does ethylamine have two infra-red spectra? Are both correct?

The one I have in my textbook is this: Shouldn't the first trough at $3500$ to around $3000$ mean that it's an $\ce{O—H}$ group with a $\ce{C—H}$? And then the other trough at $1700$ be a $\ce{C=O}$? ...

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