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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How to dissolve mica powder with natural oils (almond oil)?

I am making a lip oil and I mix $2$ oils such as almond oil and grape seed oil and then I add some glitter and mica powder. However, after a while the glitter and mica powder separate from the oils ...
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How much oxygen is used up by the browning of an apple?

This is inspired by a recent popular question on Cooking. Let's assume that I take some apples, cut them up, and place them in a hermetically sealed container. Then the container goes into the fridge. ...
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2answers
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Controlled burn with colored flames (Gender Reveal)

Is there a single solvent that can dissolve chemicals/elements that when burned, will produce the color of its respective chemical/element? If so, what chemical/element can be dissolved in this ...
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Removing technique of polymers from pasteboard paper [closed]

I have a white sheet (cardboard paper) completely covered with a green material which looks like the varnish that I believe is a polymer. I want to remove this material chemically without tearing ...
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Is this the correct particulate diagram? [closed]

Hi I'm pretty new to chemistry and was wondering whether or not the following diagram is correct. I'm wondering whether or not the remaining H2 and O2 should become a H2O and a O or keep it the same, ...
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1answer
28 views

Creating 100mg/L aspirin solution

I plan on creating 100 mL of 100mg/L aspirin solution by dissolving 10 mg of pure aspirin powder in 100 mL of buffer solution (of different pHs). Problematically, aspirin doesn’t tend towards ...
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1answer
23 views

What exactly is peptone (tryptone?) and why does it not get precipitated?

According to Wikipedia Peptone (also called Tryptone) is a form of amino acid that has been treated by stomach acids. According to Google it also stays in solution when treated with acids or heat. Why ...
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Lewis structure of R-COO-Na+ [closed]

I am studying Lewis structure and I have a question about an excercise. The question asks what is the Lewis structure of $\ce{R-COO^-Na+}$. I don't know how to draw it correctly.
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What happens when Isopropyl alcohol expires?

My isopropyl alcohol is expired. What happens when it expires? Does it break down into something else? Can I still use it to clean or sanitize?
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Remembering Chemical formula [closed]

How do you all remember the name of chenical formula of Glucose, Lime, Vinegar ... etc. becasue these substances have big big chemical formula. So, How do I remember their chemical formula?
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1answer
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Effect of sunlight on liquid soap [closed]

As i understand soap is Potassium salt of fatty acid which is quite stable. I have kept liquid soap in a bottle outside in sun for hygiene purpose. IS there any effect on chemical composition due t ...
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1answer
31 views

Formation of Goethite

Probably a simple question: When you're mixing potassium hydroxide ($\ce{KOH}$) with iron nitrate ($\ce{(FeNO3)3}$) to form ferrihydrate, does the temperature have to be below $\pu{60 ^\circ C}$?
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Caffeine stability in cold water?

I'm wondering how long caffeine is stable in cold water (roughly). In fact, I like to make a jug of ice tea and keep it for up to a week in the fridge. I'm wondering if the caffeine breaks down over ...
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Why does sweet wormwood become sticky in alcohol? [closed]

I've been trying to create my first brew of sweet wormwood tea, and I would like to attempt to remove at least some of the thujone from it; so, I decided to put it into a bottle with some 90% food-...
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4answers
215 views

Can you steam clean your range hood, by adding dishwashing liquid to boiling distilled water?

My grandparents physically can't remove their Sakura R-727II range hood that lacks any filter. Because of COVID-19, no handyperson can visit their house. But their range hood is now clogged and ...
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1answer
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Why are all 3 of propane, butane and isobutane used in deodorant sprays?

Here are the back ingredient labels of a few popular commercial alcohol-based deodorant sprays. As one can clearly see, they all have many things in common, but the 3 which are of importance in lieu ...
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1answer
127 views

Biodegrability of straight chain and branched chain detergents

From NCERT Chemistry: Textbook for class XII, Part II [1, p. 461]: Main problem that appears in the use of detergents is that if their hydrocarbon chain is highly branched, then bacteria cannot ...
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1answer
43 views

Vinegar reaction [closed]

please could someone help me. I poured white vinegar over a small hole where ants where coming out in my patio steps. There was some sand on the step and it started to bubble and fizz. We have been ...
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1answer
52 views

Silver “polish” with aluminum foil left a hard yellow coat [closed]

I cleaned my silver teapot with the aluminum foil-baking soda-hot water method. Usually this works well on my silver plated flatware. However, this time it left a hard yellowish coating. I was only ...
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1answer
52 views

Is it safe to launder clothing that had a small amount of isopropyl alcohol on it? [closed]

I just have a safety question. I work in a clerical position at an outpatient office located in a hospital. Since mid-March when the pandemic began to hit our state, we’ve been wiping things down in ...
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3answers
131 views

Why water cools from outside to inside?

It is a well-known fact that Water kept in a container, on cooling, results in freezing with initially at the circumference of surface (1D), then on the surface (2D) and then throughout the volume (...
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1answer
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molecular orbital theory explaining molecular orbitals [closed]

i am a high school student,,and i am confused in molecular orbital theory,,,my confusion is that how bonding and non bonding orbitals are formed at the same time my teacher taught me that the two wave ...
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185 views

Why does a sealed plastic bag of dish soap, water and air expand when shaken?

I've noticed that when I put dish soap, water and a little air into a sealed plastic bag, and then shake the mixture, it forms soap suds and the bag expands significantly in volume. Why does it expand?...
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Can we fill potato chips bags with a gas other than nitrogen?

I understand that we fill potato chips bag with nitrogen to prevent oxidation. But why do we use nitrogen, instead of neon or hydrogen or something else? My first guess is that nitrogen is lighter ...
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1answer
59 views

What could be causing my bath salts containing baking soda to explode out of their containers?

I run a small herbal wellness business and one of the products i sell are bath salts containing baking soda. The base ingredients are Epsom salts, Dead Sea salts, magnesium chloride, baking soda, ...
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1answer
105 views

Aluminium in homemade liquid castile soap? [closed]

I made some liquid castile soap in a slow cooker. There was a slight scratch in the non-stick surface of the container. I read that potassium hydroxide when coming into contact with aluminium ...
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1answer
65 views

Can someone explain this question in detail? [closed]

An infusion stated to contain 0.95% w/v NaCl was diluted so that its Na content could be determined by flame photometry. The following dilutions were carried out: 10 ml of the sample was diluted to ...
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1answer
695 views

Is alcohol based sanitizer flammable? [closed]

After applying sanitizers can they catch fire, if yes, then after what time is it safe to use the hands, say in the kitchen. Also one more question is that if they are flammable then the flammable ...
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1answer
39 views

Home made PCB tinning solution [closed]

By reviewing a couple of articles and videos I decided to give some try to develop a PCB tinning solution at home. Based on most of the articles, the easiest way to develop this solution is by using ...
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1answer
49 views

Can submicron mould particles go through building structures, non permeable foil paper? [closed]

I read that submicron mould particles and vapours related to mould can go through walls, floors and ceilings? Is this correct?
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1answer
50 views

Safe reaction to maintain 30psi (2 bar) of gas, while that gas is released at random?

I'm going to use it to power a Lego Pneumatic Engine (LPE) (random example, not mine), that will be self-contained, and start and stop a lot using a throttle valve. So the requirements are: Use ...
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Isopropyl Alcohol Vs Acetone for Dissolving Organic Contaminants on PCB

Acetone is widely used in the labs as a solvent to clean the vials and tubes as it is good solvent for organic materials. While Isopropyl alcohol is used as a rubbing alcohol for cleaning contaminants ...
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1answer
70 views

Baking Soda and Vinegar: Are there any secondary reactions?

I want to run a Lego Pneumatic Engine on the CO2 that is produced, but before I do, I want to be sure that that's the ONLY gaseous product from a real-world reaction. Everyone seems to assume that it ...
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2answers
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What is the difference between enthalpy change and energy change? [closed]

This question seems really dumb but I rather be safe than sorry. I read about enthalpy change in my chemistry textbook which defines enthalpy change as the energy exchange between a chemical reaction ...
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26 views

Lowering the freezing point of a lipid by adding another lipid

I'm trying to stop bacon grease from congealing in the fridge by adding another lipid with a lower freeze point to it, but I'm not sure how much to add, as I'd like to keep the ratio as bacon-grease ...
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2answers
683 views

Does motor oil get more viscous when heated & what is the meaning of the SAE motor oil code?

The motor oil in my 2004 Pontiac Vibe is 5W-30. My (incorrect) understanding of this SAE nomenclature is that 5W means "Viscosity index of 5 in the winter" (or when really cold - like $\pu{-30 ^\...
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1answer
35 views

What would weigh more? A ice cube or water, if the ice cube is from the same amount of water [closed]

So if I frozen 50 ML of water, it turns into ice cube. Would the ice cube weigh the same as the 50 ML of water it was before?
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1answer
77 views

Is C4O5 possible?

I have searched all over the internet and I have found no specific answer. I just want to know if C4O5 is possible and what would it be called.
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1answer
56 views

Why And How are Unbranched chains of hydrocarbons easily biodegraded?

My chemistry textbook says If detergents are highly branched then they can't be easily degraded by bacteria.So,nowadays the branching of hydrocarbon chain is controlled and kept to a minimum. Upon ...
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1answer
353 views

What ratio of 73% calcium hypochlorite powder to water mimics the strength of sodium hypochlorite (bleach)? [closed]

Calcium hypochlorite is sold as pool shock in varying strengths. I've read that it can be dissolved in water to create a 'bleach' (typically sodium hydrochloric or sodium hydroxide) and is often used ...
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2answers
97 views

Why is HCl the acid of choice for swimming pools?

Why is muriatic acid the go to acid to put into pools? Does it work better than nitric acid, sulfuric acid, or another strong acid? I mean they all will add the same amount of H+ right? Note, we use ...
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2answers
43 views

What are chemical bonds made of, and how do they form? [duplicate]

All atoms are linked together by chemical bonds, but what are the bonds themselves made of? I'm sorry that's a stupid question, but I'm only 14, and haven't entered high school yet, and my science ...
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55 views

Is there an adhesive that is not dissolved by acetone?

I am trying to glue glass sheets together to make a sealed 13" x 13" x 13" box. Inside this box there would be acetone gas used to melt 3D printed parts to make them more durable. Acetone will remove ...
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668 views

How is octane rating defined for negative values and those over 100?

Based on my reading, the octane rating for a given fuel is calculated by finding the compression ratio at which it knocks and finding a mixture of $X\%$ isooctane and $(100 - X)\%$ n-heptane which ...
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1answer
51 views

if we mix bleaching powder in water will this be converted to Sodium Hypochlorite? [closed]

if we mix bleaching powder in water will this be converted to Sodium Hypochlorite ?
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1answer
623 views

Is bleaching powder same as Sodium Hypochlorite? [closed]

i want to know is Sodium Hypochlorite is same as bleaching powder. can some one please let me know.
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16 views

Wood impregnation and water glass

I'm not a chemist, and may have a very odd/stupid question. I was asking myself how to better treat wood to be more weather resilient and harder to wear by also keeping at least some of its original ...
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1answer
32 views

If the gaseous molecules didn't have any kinetic energy would the surface of a filled balloon still be firm? [closed]

The most of the ideal gas law equation is based on the fact that the gaseous molecules are moving around and cause collisions and thus have some pressure. If these molecules were to not have any ...
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Calculate amount of enzyme needed for in vitro phosphorylation?

I have 100 micrograms of STAT1 and its molecular weight is 90 kDa. I calculated the number of moles to be 1 nmoles. The specific activity of JAK1 (the kinase) is 110 nmoles of phosphate per minute per ...

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