Questions tagged [home-experiment]

For questions about a small-scale experiment which can be undertaken with reagents readily available around the house, while observing standard laboratory safety principles and practices. Do not confuse this tag with [everyday-chemistry] or [food-chemistry].

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2
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1answer
34 views

Can I use an acid other than sulfuric for hydrogen peroxide determination?

I would like to perform a permanganometric titration of hydrogen peroxide at home following a procedure similar to http://www.titrations.info/permanganate-titration-hydrogen-peroxide, i.e. the ...
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1answer
36 views

Copper (II) Acetate from 5% vinegar + salt, electrochemically

I'm trying to create Copper (II) Acetate crystals, but in these times of Coronavirus it's difficult to come by hydrogen peroxide. I could be patient, but I'm not, so I'm trying to make it ...
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0answers
96 views

Homemade hand sanitizer recipe [closed]

My formula is a follows: 1 2/3 c 99% isopropyl alcohol 2 tablespoons vegetable glycerin 1 tablespoons 3% hydrogen peroxide 1/4 cup distilled water I have tried xanthan gum which did not work even ...
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0answers
12 views

Is there a way to take a product that it is a base and make it more neutral safe for the skin? [closed]

Could you take a product that is a base and make it more acidic or neutral so that is safe for topical use? While still maintaining the benefits of the original base product?
16
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4answers
1k views

How can you build a model of tetrahedral coordination from objects found at home?

Our college is switching to teaching online mid-semester in hopes of slowing the spread of Covid-19. All the molecular model kits are still on campus. How could you build a model of tetrahedral ...
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1answer
38 views

Is it appropriate to call this material a hybrid composite? [closed]

The material I've synthesised is made up of two primary parts at a 1:1 ratio: Part 1: agar, glycerol, water. Part 2: polyurethane resin. The agar mixture on its own was too soft, so I added the ...
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2answers
133 views

Is there a way to create natural Red food coloring from Turmeric in the house kitchen?

As a non chemist I have read in the Wikipedia article Curcumin that: Curcumin becomes bright red when it interacts electrostatically with phospholipid film. This text appeared without source ...
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0answers
12 views

How to disperse and disolve acrylate copoylmer?

I've made many attempts to dissolve my acryalte copolymer into water, i've tried both hot and cold, stirred and used a grinder to dissolve it but it doesn't. Anyone who can help?
1
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1answer
42 views

Nano coatings reaction with Al bottles

I have a question regarding nano coatings based on the formula "modified $\ce{SiO2}$". I have been told that $\ce{Al}$ bottles react with substances with a $\mathrm{pH}$ value below 3 or above 9. ...
4
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0answers
36 views

membrane for a reverse osmosis desalination experiment

We are second year cram schoolers , we are currently working on a project tackling water desalination by reverse osmosis and are required to do an experience. During the process, we encountered some ...
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0answers
44 views

How to test for methane gas purity?

I use methane gas for cooking and there are times in which, despite burners being clean, the flame doesn't burn that well and/or is quite red. I suspect that said gas actually has some air added in, ...
3
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1answer
48 views

Why are dendrites formed during dilute CuSO4 electrolysis black?

During the weekend, I wanted to conduct a kid's experiment - the copper dendrite formation. I was (partially) successful and now I would like to know what went wrong. The procedure was taken from the ...
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2answers
100 views

Producing hydrogen sulfide at home - how dangerous is it? [closed]

When I was a kid, I used to go to the pharmacy to buy sulfur and iron powder, then mix it together and heat it until it starts to react into iron sulfide. Put a chunk of iron sulfide into some vinegar,...
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1answer
51 views

Is sodium percarbonate the safest and by weight the most efficient oxygen generator? [closed]

I have been reading about $\ce{Mn}$-catalyzed reaction of sodium percarbonate and water to produce gaseous oxygen in medical emergency situations. This seems safe due to its reagents and products, ...
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0answers
58 views

What gas is evolved when using vinegar, hydrogen peroxide, and salt to etch copper, and why?

The question of how vinegar + hydrogen peroxide + table salt can be used to etch copper has been asked before (Full equation when using vinegar, hydrogen peroxide, and salt to etch copper). However, ...
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1answer
40 views

electrochemistry experiment

something strange. i made an electrochemistry experiment in which i have measured the potential of cell: Ag, AgCl | (1M)KCl ║ [Fe(CN)6] 3-, [Fe(CN)6] 4- | Pt with different concentrations of Fe+2/Fe+...
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2answers
83 views

Is aluminium foil pure aluminium? [closed]

Is aluminium foil pure aluminium? Or does it have other elements in the e.g: tin (Sn) or lead (Pb)? Because when I try to oxidize it through the process of submerging it in water, it doesn't look like ...
1
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1answer
46 views

Is there any aqueous solution (or simple method) to remove trace level of sulfur dioxide/nitrogen monoxide and nitrogen dioxide in a gas stream?

I need to generate pure gas from a gas stream which is free of $\ce{SO2}$/$\ce{NO}$/$\ce{NO2}.$ The air is already pretreated by activated carbon and purafil. However, I can't find any solution for ...
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0answers
39 views

What happens when you run house electricity through salt water?

What happens when you run house electricity (120VAC) through salt water? (with standard copper wires!) Well, in https://youtu.be/dcrY59nGxBg , an interesting experiment was conducted to find out! At ...
21
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5answers
4k views

How would I measure the Carbon Dioxide content in Coca Cola over a period of time?

I'm sorry if this is a broad question, but I am trying to plan a simple experiment. I am wondering is there a somewhat simple way of continuously measuring $\ce{CO2}$. I already know the initial ...
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1answer
68 views

How to get the strongest reaction out of 1kg of guncotton in a space of 15*15*15 meters without using an additional gas source

It would be burnt outside at about 2 degrees Celsius with about 75 percent air humidity, 1400 meters above sea level. Even though that's not exactly true, I'll treat it like pure guncotton. I'm asking ...
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1answer
22 views

Properties of starch in packaged pudding

I had a mug of packaged pudding. The top layer of the pudding was of typical pudding consistency, while the bottom was more runny. What could have caused this?
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2answers
98 views

Why polyethylene (PE), wool (polyamide) and cotton (cellulose) burnt with different smells, while they just product CO2 (and N2)?

Both PE and cotton produce CO2, but they distinctly have different smells while being burnt (Burning PE has smell of candle wax, while burning cotton’s smell is like burning leaves). Wool produces CO2 ...
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1answer
45 views

I want to make NaOH from NaHCO3, what is the easiest way to do it without electrolysis? [closed]

I want to make NaOH from NaHCO3. I can't use electrolysis as I lack the proper equipement.
5
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1answer
280 views

Unexpected result (sodium hypochlorite & steel wool)

So I got myself a large Erlenmeyer flask, some steel wool and the bleach from the bathroom, mixing them under safe conditions in small quantities to see the sparky reaction I'd heard about. Trouble is,...
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0answers
18 views

How can I make a reference humidity environment with NaOH pellets? [duplicate]

I have NaOH pellets at my disposal. Some of the pellets are degraded, but most are not, and I can provide a new batch if needed. I would like to test several humidity sensors in an environment with a ...
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1answer
53 views

Aluminum Oxide + Epsom salt ⮕ aluminum sulphate + Magnesium oxide [closed]

I was wondering that if you wrapped some Epsom salt in aluminum foil and set it on fire would you get aluminum sulphate and magnesium oxide, I couldn't find anything about this on the internet
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0answers
68 views

Balanced equation for Schweizer's reagent production?

In Thompson's Illustrated Guide to Home Chemistry Experiments the chemical formula for Schweizer's reagent is represented as $\ce{[Cu(NH3)4](OH)2}$ (although Wikipedia represents it as $\ce{[Cu(NH3)4(...
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0answers
36 views

Molar ratios not leading to complete reaction in Schweizer's reagent production

In my home lab, I've reacted $\ce{Cu(OH)2}$ with aqueous ammonia to produce Schweizer's reagent. However, I'm surprised by the amount of ammonia required to react with this amount of $\ce{Cu(OH)2}$. ...
0
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2answers
96 views

Sodium + water reaction, noxious fumes?

I was reacting pure sodium and tap water, and at one point I put some splattered sodium back into the water. I observed fumes that reacted with my respiratory system, producing a burning sensation. I ...
0
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1answer
290 views

Vinegar salt reaction to produce acid; does it matter what type of vinegar I use

I am trying to get get hydrogen chloride gas by using the reaction sodium chloride + vinegar = HCl(g) + sodium acetate, does it matter what type of vinegar I use eg apple cider vinegar, malt vinegar; ...
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1answer
70 views

Explaining the result of experiment---Aluminum foil heated in boiling KMnO4 solution

I've recently been thinking back to an impromptu "experiment" I performed almost exactly 3 years ago. The setup was as follows: A concentrated solution of KMnO$_4$ was produced by dissolving 2 ...
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0answers
83 views

Can I reverse an iron redox reaction with potassium hydroxide and electricity?

For a school project, about clean energy, me and my team are trying to build an iron battery. We are using a piece of iron (anode), potassium hydroxide (electrolyte), carbon electrode (cathode) ...
2
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0answers
153 views

Why my boiling pot turned black?

Recently I ran out of dish washing detergent, so I decided to pick up one of the recipes online, to make my own "ecological" dish washing detergent alternative. The recipe was: Mix ingredients: ...
2
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0answers
64 views

How to charge titanium dioxide particles for a DIY e-paper capsule? [closed]

I'm trying to make a single e-paper capsule (1 cm × 1 cm) at home. At first, I tried to charge the $\ce{TiO2}$ particles by putting them in $\ce{H2O}$ with $\ce{NaOH}$ and then putting that whole ...
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0answers
28 views

Electrolytes for Anodization at Home

I'm looking into anodization, and all the people doing it seem to have sulfuric acid as their first choice electrolyte, while others use sodium metabisulfate. Having simple access to exactly neither ...
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2answers
407 views

does table salt dissolve in glycerin [closed]

Tell me, does table salt dissolve in glycerin? And is it possible to increase its solubility? I have vegetable glycerin with nicotine that I use for vape. So that nicotine would not be bitter, on ...
2
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1answer
101 views

Looking for a radio-transparent epoxy/resin

I have much hobby experience with 2-part resins, but this time I'm looking to make a repair part for the inside of a microwave oven (everything I've tried so far heats up, but the original part does ...
-1
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1answer
169 views

Is it possible to dissolve concrete with acid [closed]

So I have this question. Can you dissolve concrete with acid? I know that there are many types of concrete, but the common and dominant component, as far as I know, is $\ce{Ca3SiO5.H2O}$ (hydrated ...
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0answers
27 views

Two common fluids that don't mix inside a labyrinth [closed]

I'm not sure in which SE site put this question. Imagine a typical child toy, where a bunch of spheres move by gravity through a labyrinth. Now imagine a sealed small labyrinth with two fluids. I'd ...
0
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2answers
997 views

Can caustic soda (sodium hydroxide) be used to dissolve urine odour?

I have an area of artificial grass at home in the back garden and during the summer months, the area emits a smell which I can only think is from the dog's urine when he pees all year long. The smell ...
0
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0answers
269 views

Sodium bicarbonate, varying acetic acid, measuring carbon dioxide volume, understanding results

With my 6yo daughter, I have conducted a simple experiment. We used 1/4 tsp (we don't have sub-gram scales) of bicarbonate of soda for each test. In each test, we used a different amount of vinegar (5%...
3
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1answer
83 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 ...
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0answers
30 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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2answers
324 views

Thickening and/or slowing evaporation of IPA-based ink

The conundrum I have a security printing ink that I make by adding an IR-absorbing dye to a 50/50 mix of Isopropyl Alcohol and distilled water. The ink solution is pale green but dries virtually ...
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0answers
39 views

How can I dissolve photography film?

I am looking to completely dissolve negative film strips. Acetone was my first try and did not work. If anyone knows/ or has any ideas i would be so greatful.
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0answers
25 views
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2answers
516 views

What is the best way to calculate the mass percentage of Calcium Carbonate from water?

Where I live it's believed that local tap water is really bad for drinking because of the amount of limestone. As a science experiment for school I wanted to approximately calculate the percentage of ...
0
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1answer
42 views

Simple tests for presence of CO₂

Am aware that one method for testing for the presence of $\ce{CO2}$ is passing the gas through limewater, with it going cloudy if positive. Are there any other convenient methods?
0
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1answer
60 views

How Can I Test Something for the Presence of Iodine? [duplicate]

I want to test a supplement for the presence of iodine. Iodine should turn starch blue-black. So, can I powderize the supplement tablet, add water to it, drop it on a piece of bread, and if it turns ...

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