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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5
votes
1answer
194 views

Why does my sodium acetate look like metalic magma?

I tried to make sodium acetate. Ingredients: Store bought vinegar - 8% acetic acid, water, E150C (caramel) Baking soda - $\ce{NaHCO_3}$ Steps: I first emptied sacks of baking soda to a ...
4
votes
1answer
1k views

Colored Flames Experiment

I am going to be doing a gender reveal for my sister's pregnancy. To do this, we wanted to light a huge fire pit and throw in a chemical to change the fire into the color (red/pink for girl, blue/...
2
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1answer
54 views

What are the best cleaning agents for carbon residues on glassware?

Introduction Recenly I wanted to isolate some ascorbic acid (Vitamin C or chemically - $\ce{C6H8O6}$). I've put the filtered solution (I had to filter it because of the binder) in a flask and heated ...
0
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1answer
66 views

How can I safely store highly outgassing self-pressurizing chemicals?

I have a standard copper etching solution of 1 part $\pu{10M}$ $\ce{HCL}$ and 2 parts 3% $\ce{H2O2}$ (as described in numerous places online). I previously had this stored in a tightly-sealed glass ...
0
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1answer
80 views

What would happen if you heat volatile/flammable material in a vacuum? [closed]

Fire is an oxidizing chemical reaction, in the simplest sense it needs oxygen and fuel to burn in order to stay alight. But what reaction would you observe from a flammable substance like gasoline or ...
3
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3answers
6k views

How to test for methanol?

I wanted to make some ethanol from baker's yeast and I used sucrose. I've made it and put it in a glass jar. I left it on a warm place (near the radiator) until the yeast died and after they died I ...
3
votes
1answer
76 views

What is chemically different about tea for hard water?

At the supermarket they sold tea for hard water. (Hard water is water with limestone/calcium carbonate in it). There appears to be a chemical modification for foods using this type of water. My ...
2
votes
1answer
73 views

Is it possible to melt HDPE to a point where it has similar viscosity to engine oil?

I have a few pieces of HDPE that I want to melt and cast into a cube of around $\pu{5 cm}$ each side, similar to what one would do with cast resin. I tried putting it into an oven and heating it to $...
7
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0answers
149 views

What acid did I accidentally create, and how?

So, I wasn't trying to do a chemistry experiment this evening; it was entirely unintentional! I was mixing up a batch of fertilizer for my plants (no nitrates involved, so I wasn't worried about ...
1
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0answers
60 views

Reaction of heated cupro-nickel in isopropanol or methanol

There are a number of youtube videos where someone heats a US quarter (which is copper sandwiched between layers of 75% copper, 25% nickel) to red heat and cooling it in methanol. This results in a ...
1
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0answers
37 views

Colorimetry at home?

Is there a reasonably priced option for colorimetry at home? Is this even a good option to accomplish my goal? I'd like to roughly determine the concentration of a chemical in an ethanol extract from ...
0
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1answer
58 views

What is the modern hardware/supermarket term for 'laundry bluing'?

I want to make this amazing paper Crystal Tree with my kids. One of the ingredients is laundry bluing. It is described thus: The magic crystals that are left behind are a combination of the Mrs. ...
2
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0answers
103 views

What is the reaction involved in a childrens paper Christmas tree crystal growth?

For Christmas I bought my children a "Magic Growing Christmas Tree Crystal Paper Tree Christmas Decoration Science Toy". It looks like this: It came with a bag of liquid which you add to the tray at ...
10
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1answer
3k views

How to make pyramid-shaped NaCl salt crystals

I'm attempting to make sea salt pyramids like the one below. I understand this needs to be evaporated at a reasonable speed to stop the crystals forming a cube, as the when formed quickly, the edges ...
1
vote
0answers
659 views

How can I convert lidocaine HCL to lidocaine base

So I'm a hobbiest, no pro. I've got a formulation for a topical anesthetic I'm trying to mimic. It calls for lidocaine, ethoxydiglycol (aka. diethylene glycol monethyl ether) and a couple of oils. ...
14
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2answers
1k views

Are children's sparklers based on a magnesium reaction?

We were letting our kids play with sparklers on New Year's Eve, and my friend's son asked his Dad: What would happen if we threw the sparkler into the water? Would it keep burning under water. My ...
1
vote
1answer
76 views

Is it possible to protect molten magnesium with Butane

I am currently experimenting with simple methods of metal casting at home. It is conventional wisdom that magnesium is better left to the professionals due to the unfortunate arrangement of its ...
2
votes
1answer
523 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 ...
-1
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1answer
57 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 ...
-1
votes
1answer
470 views

Difference between ginger essential oil and ginger powder [closed]

I'm planning to prepare natural toothpaste. Some recipes include ginger essential oil while others include ginger powder. What is the difference between them? Will ginger powder be as effective as ...
5
votes
1answer
102 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 ...
2
votes
1answer
109 views

Designing a device to separate water from water-ethanol mixture using dry ice baths

I've been trying to design a device to increase the percentage of ethanol and water, or to at least concentrate the water-alcohol mixture without using distillation. The way I'm trying to do this is ...
1
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0answers
302 views

Multi-solvent recrystallization to extract solute from glycerol?

I have compound A contaminated with impurity B. Recrystallization in water would not yield pure compound A since impurity B is less soluble in it. The only solvent in which substances A and B have ...
4
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0answers
153 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 ...
8
votes
2answers
1k 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 ...
-2
votes
1answer
735 views

Making 250mL of 0.1M NaOH [closed]

I measured out approximately 1g of NaOH pellets . I then transfer it into a volumetric flask and transfer some amount of distilled water into the flask and dissolve the pellets before filling the ...
-1
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1answer
153 views

Handling reagent bottles

I have done an experiment to prepare a standard solution. To keep this standard solution , I'm going to put it into a reagent bottle . If this reagent bottle is clean but not dry , what must I do ? ...
1
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0answers
33 views

failed simple experiment with surfactant

I wanted to show my son the effect of a surfactant. So I filled two small glasses with tap-water, added a squirt of RinseAid to one and stirred. Then I sprinkled powdered flour on both. My ...
2
votes
1answer
39 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. ...
1
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0answers
181 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
votes
1answer
160 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 ...
1
vote
2answers
344 views

Flammable lighter than air gases (safeish)

I'm an artist currently using propane and butane in my show where I put the gas into a soap bubble and light it to produce a nice flame. But I'd like to start working with a lighter than air ...
1
vote
0answers
28 views

What is the most simple way to cut through a steel with very thin aluminum coating to obtain cross section without damaging the coating?

I needed to take cross section characterization of an aluminum coating. I tried to use a hand saw to cut through it, but it destroys the coating, and usually is separated with the substrate as I ...
1
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0answers
303 views

Keep two Mica Powders separate in oil and water mixture [closed]

First off, apologies if this isn't the appropriate place to ask this, let me know and I'll remove immediately. I recently acquired some Mica Powder Pigments, and they are fun the play with. I mixed ...
1
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0answers
771 views

Making elemental phosphorus from phosphoric acid [closed]

What is the most efficient way for making pure or semi-pure elemental phosphorus, by using phosphoric acid as an source of phosphorus?
12
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3answers
5k views

Improving Elephant Toothpaste experiment

we are trying to perform the Elephant Toothpaste experiment involving the reaction of yeast and Hydrogen Peroxide for the students at school. However, the results have been very underwhelming, likely ...
2
votes
1answer
67 views

Do chemical garden coral formations leach toxins?

Short version, I want to make a coral garden with sodium silicate and salts, and I would like to put that in my fish tank, but I'm concerned about the fish getting poisoned. https://en.wikipedia.org/...
1
vote
0answers
33 views

How to safely change the color of a fire tornado?

So I've been watching a lot of fire tornado videos and I came across one that had a reasonable and safe setup (around the 3:23 mark): Fire Tornado DIY Is there a way to change the color of the fire ...
5
votes
0answers
105 views

Reaction of Rubidium with vacuum system viewport

I have a vacuum system ($<1\times10^{-7}$ mbar) filled with Rubidium ($^{87}$Rb) vapour, at room temperature. We also have a viewport near the Rubidium source, made of a stainless steel flange ...
5
votes
0answers
70 views

Fractal patterns on water

I stored water in a bucket (of aluminium probably), and some random fractal-like patterns are formed on the water: See here for some more pictures. Why this happened? I'm unable to reproduce it. ...
1
vote
0answers
312 views

Platinum-coated razor blades for making a fuel cell

My daughter wants to construct a fuel cell for a school project. Budget is tight and platinum as preferred catalyst expensive. I know that Gillette razor blades are coated with platinum. Would there ...
1
vote
1answer
362 views

Black Sludge Appearing When Making Iron Oxide Through Electrolysis

I am trying to make iron-oxide through electroylsis to make thermite. I'm using nails for the iron on the positive electrode in salt water. While there definitely is a good amount of rust collecting, ...
5
votes
1answer
138 views

Grey “skin” on gallium

I have a sample of gallium (a few grams). I've noticed every time I melt the gallium and refreeze it, it forms this grey skin on the outside. When I remelt the gallium, this portion doesn't melt and ...
3
votes
1answer
277 views

How to determine fire hazard of heating ethylene glycol to dissolve borax and boric acid

I am looking to replicate instructions provided in the last paragrph of this article that requires dissolving borax (Sodium Tetraborate decahydrate ($\ce{Na2B4O7·10H2O}$)) and boric acid in ethylene ...
4
votes
1answer
385 views

When are all cannabinoids infused into grape seed oil using non-decarboxylated, dried plant matter? [closed]

I am unsure which is the correct terminology, infusion or extraction? For all practical purposes I will continue using infusion here. (What is the difference between the two?) When making the ...
1
vote
1answer
2k views

Making nylon experiment - Questions

I made nylon in a lab with these procedures - 1) Collect 30mL of sebacoyl Chloride dissolved in hexane 2) collect 30mL of 1,6-hexanediamine dissolved in water . 3) Transfer the beaker containing ...
3
votes
0answers
296 views

Dubowski’s Formula vs Henry's law applied to alcohol sensor 'calibration'

I'm working with some hobby-level gas sensors and I've run across a "calibration" system I don't understand. A general description of this kind of gas sensor is described a bit more in this question ...
18
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1answer
2k views

Can I eat the lemons after I have used them as a battery?

After completing the lemon battery experiment, can I eat the lemons when I'm done? More broadly, what will happen to the lemons? What are the chemical reactions, what chemicals might be present/...
0
votes
1answer
94 views

Combustion of Rocket-Candy with Fe2O3

We know from Wikipedia that the combustion of rocket candy follow this equation : $\ce{48 KNO3 + 5 C12H22O11 → 55 H2O + 36 CO2 + 24 K2CO3 + 24 N2}$ We can add small quantity of iron (III) oxide ($\...
0
votes
0answers
180 views

Can Pyrex laboratory grade glassware be heated on a stovetop?

I don't have access to a hot plate, I was wondering if Pyrex glass can be safely heated on a stove top. It isn't an open flame, it's a radiant stove top with an electric coil underneath a smooth ...