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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3
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0answers
168 views

Coffee and argon/nitrogen [closed]

I’ve recently been experimenting blanketing coffee with argon and nitrogen. I’m finding that argon has a more positive result. I can’t find any data or information that would confirm this other then ...
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33 views

Scent neutralizer

I'm an avid outdoorsman and outdoors photographer. I use a lot of scent neutralizers to help me stay hidden. Buying the store brands get expensive so I found a recipe to make your own. the recipe is 1....
2
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1answer
398 views

Why is nitric acid often used to digest any solid sample?

Why is $\ce{HNO3}$ often used to digest any solid sample? I heard many solid samples often digested with $\ce{HNO3}$ solution because nitrate compound always dissolve in water. Is the concept ...
12
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2answers
3k views

Why do most drugs (eg: oxycodone) have seemingly arbitrary names?

How do some medicines derive their names? For instance, is the name oxycodone somewhat arbitrary? I am not well-versed in Chemistry (1st semester student) but does the prefix oxy- imply some ...
-1
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1answer
940 views

Is it possible to neutralize acids with vinegar (e.g. when experiencing heartburn)?

I would like to know if it is possible to neutralize heartburn with a shot of vinegar, or if one should only use basics (like edible soda). What I know from high school, is that you can neutralize ...
5
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2answers
1k views

Does calcium hydroxide react with citric acid in orange juice?

I noticed that calcium-fortified orange juice on the shelf at my local grocery store contains calcium in the form of calcium hydroxide. And I also noticed a couple other ingredients that ordinary ...
-7
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1answer
72 views

Chemistry toilet paper [closed]

This is a stupid question, but I can’t find one of the compounds on this toilet paper: I have in order: Salicylic acid Aceton Caffeine ? Urea
3
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2answers
87 views

How does % purity on household products work?

For example, toilet bowl cleaner is 9.5% HCl. Does this mean that for every 90.5 moles of H2O (or other stuff) there is 9.5 moles of HCl? Does it mean that for every 90.5 g of H2O there are 9.5 g of ...
4
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2answers
2k views

Any side effects to using calcium chloride as a desiccant?

Based on cost, availability, and moisture absorption capacity, calcium chloride seems to be too good to be true. Are there any side effects to using calcium chloride as a desiccant? I'm interested in ...
5
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1answer
615 views

Chemistry of toilet bowl mineral stains on porcelain

I live in Massachusetts, my house has 3 bathrooms and I live alone. If I don't scrub my toilet bowls once a week they build up brownish-yellow mineral stains. These seem independent of whether I've ...
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1answer
850 views

Why dont we use potassium hypochlorite for bleach

I have been reading wikipedia and according to the article on potassium hypochlorite it can be used as a disinfectant. But it is not listed anywhere in the bleach article. I know we typically use ...
4
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0answers
48 views

Why does the CO2 gas quantity in Sodastream cartridges differ in different nations? [closed]

Just was looking at the $\ce{CO2}$ cartridge for the Sodastream soda / seltzer maker I was planning on buying and this bit of info caught my eye: Any idea why they may want to pack $\pu{25 g}$ less $\...
2
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1answer
405 views

Home test for magnesium carbonate

People that do rock climbing and weightlifting usually use magnesium carbonate on their hands to decrease slippery hands. I would like to know how can someone that buys MgCO3 can really be sure it's ...
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1answer
49 views

Chemical reaction to produce 5 liter of gas [closed]

I'm looking for a chemical reaction in order produce about 5 liter of harmless gas. The goal is to start with something that takes as little volume as possible to start with, and reacts to fill up a ...
5
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2answers
8k views

Is dissolving salt a chemical reaction or a physical change?

Physical changes are limited to changes that result in a difference in display without changing the composition. (source) e.g. melting water or dissolving sugar in water Chemical reactions are ...
4
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2answers
643 views

Melting ice with salt - how does it start?

I know that salt reduces the melting point of ice. I can see how a little bit of salty water can melt ice to water which can dissolve even more salt. But how does it even start? There is ice, which is ...
3
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1answer
8k views

How to remove formaldehyde (smell) from clothes/jeans?

Bought several jeans, then to discover they have a really nauseating smell, that is not removed by washing. Reckon it's formaldehyde, from what I can read. Anyway, assuming you have jeans with ...
2
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1answer
66 views

Marker dissipates on White board paint [duplicate]

What causes white board markers to dissipate when writing on dry erase painted surfaces. It almost immediately start to pull together and seems as if it disappears
4
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0answers
2k views

Storing alcohol in a thermos bottle

My thermos bottle's instructions say: Füllen Sie keine kohlensäurehaltigen Flüssigkeiten oder Trockeneis in das Produkt. Füllen Sie keine alkoholischen oder öligen Flüssigkeiten in das Produkt. ...
9
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1answer
3k views

The coldest (the most endothermic) reaction [closed]

What chemicals can you mix that causes the coldest (the most endothermic) reaction on a $\pu{kJ /kg}$ basis?
2
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1answer
391 views

Rust removal ended with black oxide on the metal?

I have tried to remove common red iron rust from a small piece of metal that looks like steel. I submerged it into hot water with a bit of citric acid, and let it sit overnight. In the morning I ...
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0answers
298 views

Do mixtures have a boiling point?

Let's assume a mixture which can be heated without decomposing. This site explains that while pure substances have a sharply defined melting point and boiling point, mixtures tend to have a melting ...
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0answers
93 views

Why is paper sometimes yellow?

Where I'm from, most paper you find/get at stores has this yellowish tinge. Why is it yellow and not white? In my chemistry book it's mentioned that paper manufacturers "refine" paper from wood pulp, ...
3
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0answers
69 views

Why do certain mixtures foam and others don't? How to predict if a mixture will yield a foam?

I recently acquainted myself with the skill of whipping a mixture of sugar, fresh brewed/ hydrated instant coffee into a pale, fluffy, stiff and stable foam. This, as some might know, is known as Café ...
10
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1answer
209 views

Why does hot oil fry things, but hot water does not?

When a slice of potato is dropped into hot oil, it gets fried but the same in hot water, gets ‘cooked’. What is it about oil that gives the slice of potato the crispy feature while water only makes it ...
2
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0answers
43 views

Continuous series of inorganic hydrates (from mono- to deca-)

I'm doing some research for university and it has to do with crystals. I'm currently experimenting with $\ce{CuSO4 * 5 H2O}$. I know we refer to the formula as copper sulfate pentahydrate. And also, I'...
5
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1answer
96 views

How much yeast is necessary to produce the same amount of carbon dioxide that I exhale?

I think I might have bed bugs. I read that bed bugs are attracted to $\ce{CO2}$ and heat, I also know that yeast produces $\ce{CO2}$ as a waste product. Knowing that, I did some research and found ...
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0answers
29 views

What's a good way to find out how much lead is in parts being used in toys? [closed]

We are using parts from China in small-scale manufacturing of toys. We used an abotec "lead inspector" test kit on the same part from 3 sources, using abotec's leach test, in which we soaked each ...
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1answer
39 views

What structure is this? [closed]

What is the name of this structure? It's close to Leucine but I'm not sure.... Thanks!
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0answers
111 views

Waterproofing and recycling paper

I've recently begun studying about waterproofing paper. Through what I learned is that the reason why paper absorbs water so easily is mainly because of it's material composition. Paper is generally ...
3
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0answers
32 views

Translucifying chemical? [closed]

I was recently shown an object and asked if it was a chestnut. It looked like a regular horse chestnut except instead of an opaque brown surface, the entire nut was slightly translucent, in similarity ...
3
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0answers
81 views

Is this model to explain children about oxidation and fire correct? [closed]

I am teaching two young boys (elementary school) some basics about chemistry, but I have to learn as I go myself. Is this a viable model to explain oxidation and fire? When we light up the fireplace,...
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1answer
135 views

Identification of an aromatic compound for a quiz [closed]

I need help identifying this structure for a puzzle. Original text was blurry, so a white overlay was added for readability, though some fragments might be different. Any help or suggestions are ...
8
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2answers
832 views

How to tell between carbon powder or graphite powder?

I have a black powder that I cannot reliably tell just by looking or touching whether it is graphite powder or charcoal powder. Are there any simple tests that I can perform to tell whether it is one ...
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1answer
350 views

Will squeezing lemon juice on top of foods with ferrocyanide additive release hydrogen cyanide gas?

For example, will squeezing lemon juice on top of table salt with sodium ferrocyanide ($\ce{Na4[Fe(CN)6]}$) additive (E 535) release hydrogen cyanide gas? Examples of ferrocyanide additives: sodium ...
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0answers
52 views

Formulation solubility?

Creatine is a popular sports/fitness supplement, generally sold as a powder to be mixed with water (usually like 5-10g creatine per serving). However, it is not very "soluble" in water -- barely 13.3g/...
5
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1answer
221 views

Is there a paper glue that is NOT dissolved by acetone?

Short version of the question: I need a spray-on glue that will stick paper to wood that isn't dissolved by acetone. Long version: I am trying to glue paper on wood. It's a big sheet of paper and I ...
4
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0answers
145 views

Which (carbonaceous) fuels produce more or less soot in a diffusion flame, and how to predict that?

From what I've read, the production of soot in a flame is still an open research topic. But some hydrocarbon fuels produce much more soot than others. Are there (simple) rules that tell which fuels ...
2
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0answers
66 views

Pulling Calcium Phosphate from Animal Bones

I am looking to pull Calcium Phosphate out of animal bones (chicken, fish, etc) without destroying the collagen. If I soak animal bones in brown rice vinegar will the vinegar pull out Calcium ...
2
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0answers
62 views

Given advancements of computational power an machine learning, how is it still not possible to predict products from chemical reactions?

Given that it seems every answer to this question is that it is "impossible to predict the outcome of a chemical reaction." Is chemistry just trial and error? Given how fundamental and revolutionary a ...
1
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1answer
43 views

Difference between Phase, heterogenous and state of matter and solution

My question has already been answered in parts at Difference between state of matter and phase But for deep and real understanding I have to ask for the difference between phase and a heterogenous ...
2
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1answer
38 views

Keeping an open, partially empty soda bottle bubbly longer

I remember as a kid being able to get a little pump which you could screw onto a half empty soda bottle (I believe the bottles were glass at the time) to pump air into it to keep it fizzy for longer. ...
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0answers
60 views

Cationic Detergent with no odor [closed]

I am looking for a cationic detergent for a project. Unfortunately most ( or all?) cationic detergents are quaternary ammonium that smell like rotten fish or even worse The product I am working on ...
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0answers
164 views

Windex and Red wine

The other day I was cleaning my counter tops with windex. There was a couple red wine (cabernet sauvignon if it makes a difference) stains from the night before and the stains turned an gray/blue ...
4
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1answer
147 views

How to measure ratio of Na to K in table salt?

Some people state, that the salt which we buy at the supermarket contains too much potassium chloride. For me it seems to be a hoax, but I want to have a proof. Is there any way to measure the ...
6
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1answer
191 views

Could muscarine be an antidote to atropine poisoning?

According to Wikipedia, "Muscarine poisoning is characterized by miosis, blurred vision, increased salivation, excessive sweating, lacrimation, bronchial secretions, bronchoconstriction, ...
-3
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1answer
398 views

Would a button cell battery contain mercury? If so, why?

I was wondering if an alkaline button-cell battery that says $0~\%\ \ce{Hg}$ is actually completely mercury free or if it is still considered to have traces of mercury. Why do some batteries say no ...
2
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1answer
1k views

Does graphite burn?

I just want to know is it possible to make graphite oxidize in the presence of oxygen as it is possible to make other forms of carbon oxidize and even burn with the production of residual heat in the ...
3
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0answers
42 views

“Non-stick” action on ceramic-coated pans

I understand how PTFE, or Teflon as it is commonly called, prevents anything from sticking to pans; apparently, anything coming into contact with the PTFE coating has ignorably tiny van der Waals ...
5
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1answer
242 views

How does a combustion process produce carbon monoxide?

My question is in the context of combustion heater safety- I want to identify the mechanism by which CO is produced, and hopefully have additional understanding, and clues to the warning signs, to ...