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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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1answer
16 views

Why is the pH level of carbonation loss decreasing then increases afterwards?

We have done an experiment of the titration of unsealed sprite soda to find the amount of carbonic acid being loss, due to decrease pressure. Now the results has demostrated that carbonic acid pH ...
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0answers
10 views

Sodium orthosilicate formation [on hold]

1-Can sodium metasilicate (Na2SiO3) react with sodium hydroxide (NaOH) to form sodium orthosilicate (Na4SiO4)? 2-How are orthosilicates (SiO4) made from silicon dioxide (SiO2) or metasilicates (SiO3)...
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1answer
55 views

Regarding common preservatives and their effect

If someone has an average of 1 litre of Coke or Pepsi a day, would this form too much benzene oxide in the person's body or stomach and eventually effect part of their genetics?
3
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4answers
547 views
+50

How do things glow in the dark?

What makes something glow in the dark? The only explanation that I can come up with for what makes things glow in the dark is that there is probably a chemical reaction slowly releasing the light that ...
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0answers
25 views

Why do nitrile gloves turn yellow from sweaty hands?

When I take off my nitrile gloves after some hours in the lab, the inside of them has turned yellow. This happens especially in the regions around joints. I suspect this is due to a reaction between ...
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0answers
44 views

How to effectively get rid of 2-propanol acetate vapors and smell

I need to get rid of 2-propanol acetate vapors and its smell and need some chemistry help. Some possibilities I came up with: soap and water to rinse surfaces because soap might help increase its ...
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1answer
100 views

What chemicals cause the softer, less-raw taste of purified water sold in bottles?

I've seen the post, "What defines an element's taste?", but it doesn't answer my question. I took water that is supplied by the municipality corporation and put it through a gravity based water ...
0
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1answer
30 views

Consumer choice; harmful environmental aspects of polyethylene vs polypropylene [closed]

What is the difference between polyethylene and polypropylene in terms of their aspects which are harmful to the environment during manufacture and disposal.
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5answers
42k views

Which side of an aluminum foil should I put in contact with food?

Aluminum foil has two sides: a matte one, and a shiny one. My question is: which one should I put in contact with food? Criteria are lowest risk of toxicity and best qualities for food preservation (...
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1answer
1k views

Using a gas stove instead of Bunsen burner for a flame test?

In all chemistry labs we use the Bunsen burner. What's the difference between it and a good old gas stove used in home? Can the stove also be used to get positive flame tests for some cations (like $\...
30
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3answers
9k views

Why isn't ethane used for cooking?

We commonly use methane and propane for cooking (and home heating), but not ethane. I would expect ethane to be suitable for this, being in between the two, but I've never heard of anyone using it for ...
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0answers
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Materials from which compounds containing amines can be extracted [closed]

What are the locally available materials/waste materials/natural materials from which amine based compounds can be extracted?
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0answers
31 views

How do I counteract the caffeine bitterness taste in a product? [closed]

I am making a product where caffeine is one of the main ingredients. However I am having trouble balancing and effectively removing the bitterness taste that caffeine has. EDITED - Sorry for being ...
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0answers
32 views

What kind of chemical reaction happens when combining Tahini and Date syrup?

While both Tahini and Date syrup are quite thin, when mixed together they form a paste-like substance that is very delicious, and quite thick. But what kind of chemical reaction leads to such sudden ...
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0answers
15 views

why do exchange interaction take place between identical particles? [duplicate]

as the exchange interaction will decrease the expectation value, but how it does so? and why identical particles or electrons with the same spin needs to exchange their positions even they are at ...
3
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0answers
169 views

What's causing my plastic fork to break?

This has been a real mystery for me at work. For the past three days I've eaten salads for lunch. I used a plastic bowl with a lid and when I was finished with the salad, I didn't rinse out the bowl ...
6
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3answers
126 views

Assessing fire hazard of compounds

Following up on a somewhat too broad question about amateur chemist safety, this will be the first to address some of the issues discussed there. I often use the NOAA MSDS database (material safety ...
6
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1answer
257 views

I (might) have accidentally combined these mold-killers at home: Any adverse reactions?

A trailer is a small enclosed space. About 2 months ago we had some mold and I applied some mold killer to a few spots that I could not remediate. Below I've listed 2 products I used. (I definitely ...
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1answer
29 views

Formaldehyde safety levels

I've obtained a simple air quality analyzer which measures several items, formaldehyde concentration among them. While I cannot vouch for its correctness, I found the values measured during the last ...
6
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4answers
29k views

Is it 'Phenyl' or 'Phenol' that is used as a cleaning agent?

I often see Phenyl written on cleaning agents in stores. Here are some examples: One day, a guy standing beside me at a store picked up a bottle of phenyl/phenol and he said, "The big corporation got ...
3
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3answers
529 views

Simple practical, non-toxic, non-flammable reaction for slow release of CO2

Someone I know (not me) has recently had problems with bed bugs. I have advised him his best bet is to (1) Buy a kick-ass steam cleaner and nuke the brutes from orbit, (2) get a professional pest ...
1
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1answer
46 views

Does coffee have the ability to dissolve less sugar into it than water?

Like water can absorb such and such an amount of sugar, can coffee absorb less as it already has coffee in it.
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1answer
27 views

How does energy and speed affect sub-atomic particles (protons, neutrons, electrons) in an electric field [closed]

(Source: https://gyazo.com/a4d5beed3272a7ca793dd8e2f7e8be3c) I am having trouble understanding the problem above. Why does it matter if the particles are held at constant energy or speed? How does ...
3
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1answer
47 views

What (simple) household chemicals react with oxygen?

I'm interested in making a small "preservation chamber" that I can basically use to store objects without the presence of oxygen. I have a resealable stainless steel canister and the plan is pretty ...
5
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2answers
92 views

Scientific Reason for Salt Solution Gaining Volume

A little background to this question: my mom placed a glass with salt and enough water to just cover the salt in a room to "absorb negative energy" out of the room at her office. It obviously "worked"....
3
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0answers
37 views

How to align povidone-iodine molecules in order to look for optical polarization

In this answer I mention how early polarizing filters (e.g. sunglasses) were made by doping a polymer with iodine atoms and then stretching the film to orient the polymer molecules. Electrons donated ...
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1answer
27 views

Electrolytes are ionic compounds that conduct electricity [closed]

Electrolytes are ionic compounds that conduct electricity, or the flow of charged particles, when dissolved in water. This occurs via the separated ions acting as those charged particles, or charge ...
2
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1answer
136 views

When it rains, it puddles. Spilled salt cycles between wet and dry with humidity. Is this akin to a phase change?

I have some spilled un-iodized table salt (NaCl). It is very humid where I live, and when it gets very humid for a few days, the salt absorbs so much water that it becomes a puddle of (probably) ...
5
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1answer
320 views

Is flour or baking soda really suitable for extinguishing grease fires?

I think most have heard the advise that you should put flour (or baking soda) on a grease fire to absorb the oil before. While this is certainly better than using water, I'm skeptical. For starters ...
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2answers
4k views

Is bamboo based plastic less likely to leak chemicals?

Some plastics have been known to leak plasticizers (bisphenol and phthalates) into the food they contain, especially when heated. Because such compounds are suspected of being endocrine disruptors it ...
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4answers
124 views

Why is petrol also called octane?

Why do people commonly use octane as a synonym for petrol (gasoline)? Isn't petrol a mixture of hydrocarbon distillates--not a pure substance?
3
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2answers
827 views

Metal rod and NMR machine [closed]

I have a metal rod in my leg from previous surgery. I believe it is titanium. Would this significantly affect/be affected by an nmr machine? I noticed that a sign by it said not to bring metal objects ...
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0answers
23 views

Sound or light reversible super glue possible?

Sorry if this is a stupid question and help me to improve it. Super glue is meant to be quick and mostly universal but we can stick to ceramics and/ or wood. Imagine you put parts with the glue ...
6
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2answers
13k views

How do erasable pens work?

I understand the principle behind an eraseable pencil. Graphite is highly slippery, you rub it onto the paper, and an eraser can rub it off again. I've had friends at school with 'eraseable ink pens'...
2
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0answers
40 views

Why chewing gum gets hardened after drinking water

Basic question, please don't say temperature change, because i've tried, and it never gets back to same elasticity! There must be some other chemistry at work. Even with luke warm water or room ...
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0answers
17 views

What type of acid (and how much) needed to generate Chlorine Dioxide gas when added to Sodium Chlorite (for odor removal)?

I have several lbs of Sodium Chlorite (flakes), which I would like to use to generate Chlorine Dioxide gas in order to remove odors from rooms, autos, boats, etc. There are commercial products sold ...
2
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0answers
219 views

Interaction between soy milk and coffee producing bubbles

I noticed when I poured my soy milk (which I shook as per the directions on the carton) into my coffee, a large number of very fine bubbles rose to the surface. What causes this? Is there a chemical ...
0
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1answer
738 views

Solvents adequate for dissolving overheated polyethylene terephthalate glycol-modified (PETG) residue?

I work in 3D printing. One of the materials we use is polyethylene terephthalate glycol-modified, or PETG. It is a pretty good material, both in strength and appearance. It is melted and pushed ...
2
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1answer
2k views

Can fumes from using bleach seep through plastic packaging and glass jars

A bulging can leaked inside our kitchen cabinet. I googled how to handle it. I followed the instructions I found online. I mixed 1/4 bleach and 2 cups water. Applied it on all surfaces. Then applied ...
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4answers
8k views

Synthesis of hydrazine with bleach and ammonia

I am trying to make rocket fuel using hydrazine, hydrogen peroxide and home products. I want to put an action figure in orbit. Is there any way to synthesize hydrazine with bleach and ammonia, using $...
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2answers
2k views

Does the main washing effect of soap come from foam?

I am curious if the main cleaning effect of soap comes from its foam (or, maybe, it is just a by-product). Here are some points, that might clarify what I mean: Does foam sort of "carry" dirt and ...
1
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1answer
70 views

Cows milk protein in lactose

Does anyone know if the casein/whey cows milk protein can be found within processed lactose? Some background: our 4-month-old baby was given teething granules. She was then presented with a rash, ...
16
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5answers
35k views

Painting metal, does it matter if all rust is removed before?

In the context of automobile repair work, assume a metal surface has rust over it. Does it matter if all of the rust is removed before the metal surface is painted? If it does matter, then why? It ...
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2answers
6k views

Why does bleach feel slippery?

My high-school chemistry teacher taught us the mantra "bases are slippery-soapy-slimy!" This question and this answer in Quora say this is due to saponification - conversion of lipids from the top ...
3
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3answers
94 views

What defines a discharged battery?

In the case of an AA Alkaline battery, what actually happens inside the battery once it is fully discharged? What components of the battery change as we use it?
41
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2answers
33k views

Does oil break down condoms?

It seems that every website on sexual health advises against using oil-based lubricants with condoms. It is claimed that "oil breaks down latex". One source claimed that a latex condom completely ...
8
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2answers
790 views

Can I successfully use a humidifier to distribute caffeine to wake someone up without the usual morning drowsiness?

Would I have any success putting coffee in a humidifier? Or perhaps water mixed with caffeine powder? So I could wake up without a jolting alarm clock, feeling like I already had a cup of coffee? I ...
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0answers
35 views

Definition of ionisation energy

My lecturer has defined ionization energy or ionization potential of a species A as the molar internal energy change, ΔU, for the reaction: $\ce{A (g) -> A+ (g) + e-}$ at $\pu{0 K}$, with reactants ...
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0answers
27 views

Adding apple cider vinegar to a solid DIY deodorant

If I wanted to add a bit of apple cider vinegar to my oil based deodorant, to increase antimicrobial properties, would this cause me to need a preservative? My deodorant is not water based, so I don't ...