A small-scale experiment which can be undertaken with reagents readily available around the house, while observing standard laboratory safety principles and practices

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-2
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0answers
28 views

Experiment to verify Doxycycline is authentic [on hold]

I bought some questionable looking Doxycycline abroad, and I'm wondering if there is a experiment one could perform to verify the pills actually contain the aforementioned chemical. I'm not looking ...
1
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1answer
25 views

Bioplastics from eggshells

There are many resources online which talk about projects making bioplastic from egg shells. However none of these actually show or describe the procedure needed to make it. Does anyone know a ...
3
votes
4answers
598 views

How do I control the temperature in an experiment?

If one were to adjust the positive temperature in an experiment, they would use a heating plate, or a stovetop. How would one adjust negative temperatures in an experiment? (Not keeping the ...
0
votes
0answers
23 views

Does turning propan butan gas tank upside down help to use gas remainings?

Some think that when gas (propan-butan mixture for cooking) in a gas tank is almost used (only remainings are left inside and the flame is hardly noticeable) and you turn it upside down it will ...
1
vote
2answers
45 views

My easy Styrofoam experiment is not working properly

Why doesn't gasoline or paint thinner melt through Styrofoam when I try it yet there are videos of others melting Styrofoam in gasoline and paint thinner? Is there something I am doing wrong? This is ...
1
vote
2answers
62 views

Liquid that looks like smoke when bottled?

I am making a gift that will consist of a liquid in a sealed bottle. I want the liquid to have a magical appearance. Something like the appearance of smoke - varying opacity from almost clear to ...
1
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0answers
38 views

Replacing air with nitrogen in a drum.

I have a 55 gallon drum half ful of liquid. I would like to put a "blanket" of nitrogen over the liquid. How can I replace the air in the drum with nitrogen?
2
votes
1answer
39 views

How can I make my yeast experiment more chemistry-oriented? [closed]

For a school chemistry design lab I tried to find the optimal sugar concentration for fastest yeast fermentation. I put the same amount of yeast and sugar water solutions with different concentrations ...
1
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0answers
39 views

How can I make something like fire which is safe?

I want to know a magic trick that helps me put my hand on fire without burning. My teacher told me you can use acetone but I should fire it fast in my hand because of volatility. Also I want to have ...
1
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0answers
28 views

Dissolving sodium bicarbonate?

I would like to dissolve or equally blend sodium bicarbonate in liquid coconut oil. Is there a way this can safely be done at home?
0
votes
1answer
35 views

Is the caffeine in coffee an oxidation agent?

I heard a friend say: You have to watch out for coffee, the caffeine is an oxidation agent. Now I remember carbon Chemistry from year 12. You can oxidise ethanol to ethanal, and then to ...
5
votes
1answer
48 views

Does the salt in the ocean act as a binding agent on sand?

When I walk on the beach, there appears to be an upper layer of the sand that is 'crusty'. This appears to be the opposite of what you see in sand in a dessert setting, where the individual ...
1
vote
1answer
48 views

Experiment with powder and liquid

Can you please explain this experiment? Why is this happening?
4
votes
0answers
59 views

Citric acid chelates calcium carbonate more than ethanoic acid, why does this result in a faster rate of reaction?

I performed an experiment using egg shells (calcium carbonate) to represent teeth and reacted the calcium carbonate with acids. When measuring the rate of reaction citric acid had a higher rate of ...
3
votes
1answer
37 views

Compounds that release carbon dioxide [closed]

What are some compounds that release carbon dioxide when heated, hydrated, or reacted with sodium, aluminum, silicon, or iron?
8
votes
0answers
221 views

What does nutella add to the Coke+Mentos reaction?

Inspired by this question on SFF.SE. The Diet Coke + Mentos experiment has been a popular one for a while now, and I've read a little bit about the science behind it. I recently discovered this ...
0
votes
1answer
30 views

Reaction of moist egg shell powder and acid?

So I performed an experiment to investigate the effect of fluoride ions on the rate of reaction between egg shells (calcium carbonate) and acid. When doing this I had a dry sample of crushed egg ...
2
votes
2answers
61 views

What made my solution cloudy?

I may know, but I would like an expert opinion and a possible solution? I had an ethanol product from molasses, brown sugar and yeast which was clear. I then added (and feel all information is ...
0
votes
1answer
79 views

Is there an easy way to make PVC from PVA?

Say, I took Elmer's glue (or a similar Polyvinyl Acetate) and I inserted some Chlorine Tabs and warm it up while stirring. Would the electronegative Chlorine turn some of it it into Polyvinyl ...
0
votes
0answers
56 views

How to clean copper(II) sulfate crystals from sulfuric acid?

I am going to prepare copper(II) sulfate by electrolysis with sulfuric acid for crystal growing. How would I separate the copper(II) sulfate from the sulfuric acid left over from the electrolysis ...
0
votes
0answers
49 views

What in Peanut Butter dissolves glue?

There is a common belief that Peanut Butter can dissolve certain types of glue. I've tested it and it does on a few common stickers. A forensic science crime procedural TV show (Bones) made a ...
0
votes
0answers
8 views

Effects of long term mineral oil saturation acrylic monomer coating

I used a folded in-half band-aid (sticky sides inward) as a buffer between my finger and the textured touchpad on my laptop, but I also had to apply mineral oil or baby oil to the touchpad so that the ...
-4
votes
1answer
82 views

How do you make Napalm? Not a recipe from movies, actual Napalm [closed]

I need it for a College experiment, I need the good kind preferably, but any recipe will suffice.
1
vote
1answer
38 views

Obtaining magnesium oxide from magnesium hydroxide

What's the simplest and safest DIY way to obtain magnesium hydroxide to magnesium oxide?
3
votes
1answer
327 views

How much CO2 is produced in burning of a candle?

I've been reading this book, page 149. In chapter 15 the following experiment is suggested, Fix a candle in a container. Fill the container with water. Light the candle and then cover it with an ...
1
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0answers
29 views

Suitable acid/base combo

I've been trying to get any chemical reaction that with the least volume of reagents (including possible water) would generate the highest amount of a safe gas (at a reasonable cost and with a fast ...
3
votes
0answers
41 views

How can I change the pH level? [closed]

I am conducting a experiment that needs a pH 5 sulfuric acid but I only have pH 3 sulfuric acid. I have some distilled water and a graduated cylinder but I do not know how I can change it.
3
votes
1answer
29 views

Is readily available ammonia a substitute for ammonia water?

I am an artist attempting to duplicate a recipe for a painting medium. The source says I can use powdered ammonia or ammonia water. The recipe is from the 1940-50 and I am no chemist. So, my ...
0
votes
1answer
21 views

Moisture Absorbancy & Odor Elimination

What would be the typical DRY ingredients in moisture absorbing and odor eliminating materials that work especially well on perspiration/organic odors?
2
votes
2answers
79 views

Better solvent for KCl than water?

In my experiment, I used an atomizer to generate $\ce{KCl}$ aerosols. I saw that the nozzle that was dipped into the 10% wt $\ce{KCl}$ solution got partially clogged after an hour. I then had to ...
3
votes
1answer
51 views

Discerning Sodium bicarbonate

I have 'sodium bicarbonate' powder , which is supposed to be (NaHCO3) , is there a way for me to do a test on it at home , without some special equipment and determine whatever its 100% pure or it has ...
1
vote
0answers
41 views

Making elemental sulfur from pyrite FeS2

Has anyone done this or know of a good experiment that would allow someone to make elemental sulfur from $\ce{FeS2}$ (iron pyrite)?
9
votes
2answers
523 views

Why does shampoo lather much more the second time it is applied?

When I shampoo my dirty hair, the first time it does not lather very much. The second time it lathers a lot. Why is this?
6
votes
2answers
148 views

What is the purpose of froth in washing clothes?

I stay at a rented place and there is no washing machine. I, now, wash clothes in a bucket. When I add detergent, sometimes there is froth, sometimes there is not. I wonder if this had any impact on ...
2
votes
2answers
788 views

Reaction of citric acid and calcium chloride

I was planning to extract citric acid from lemon juice by reacting the lemon juice with calcium chloride hoping it would react to form calcium citrate and precipitate according to the reaction ...
-1
votes
1answer
46 views

Need 28% acetic acid from 98% glacial acetic acid

i need to make a solution of a 28% acetic acid, what i get is 98% glacial acetic acid. If someone could please guide me to make this solution. I want to know the safety precautions i need to take ...
0
votes
1answer
57 views

How to remove Ethanethiol from household natural gas?

Household natural gas is injected with a little bit of Ethanethiol to make it a distinctive odor for safety purposes. But, if it is used to drive cars (*), its odor is sensible and it is annoying. ...
1
vote
1answer
44 views

How to obtain barium hydroxide

I am trying to perform the demonstration of a strongly endothermic reaction reacting barium hydroxide with ammonium nitrate. I have been scouring the web for ways to get barium hydroxide, but none ...
1
vote
0answers
39 views

Products of silicate synthesis

I'm attempting to make a hard refractory cement to apply over kiln brick made of sodium silicate and Perlite. This creates a very good kiln brick, however they are susceptible to abrasion. I've been ...
0
votes
1answer
60 views

When you fill a bath, Is it different that you fill it directly or non-directly?

Yesterday I was taking a shower that this thought occurred to me that when you are filling a bath, flask, etc with water in two different ways in specified time, Will the amount of water in bath be ...
0
votes
0answers
18 views

Demonstrational smelting iron

I'm planning an instructional demonstration of smelting. It seems you may be able to take rust (hematite, $\mathrm{Fe_2O_3}$) and carbon (perhaps from charcoal briquettes), place this in a crucible of ...
1
vote
1answer
69 views

Cheap silocone casting resin (1 or 2 component resin)?

I searched in many places and on Youtube and I found ways to make silicon mold putty from cheap silicone using ordinary household stuff and kitchen stuff. But nowhere is a recipe on making silicon ...
4
votes
1answer
71 views

Sulfur hexafluoride creation process and risks/safety

I would like to create sulfur hexafluoride and test floating things in it but I am a "chemistry noob" and from what I've read it's non-toxic and generally quite safe but first of all I do not know how ...
2
votes
1answer
19 views

How to refer to this method of mixing solids?

The steps of this process are: Fill a container with water (or other solvent) Add mixants (is that the right word?) the container Stir until all mixants are dissolved/suspended Boil off the water ...
8
votes
3answers
4k views

How does the “kreosan” Coca-Cola rocket work?

A YouTube channel called "kreosan" (made by Russian-speaking people who I believe live in Ukraine) posted a video showing rockets made from bottles of Coca-Cola. ...
3
votes
1answer
133 views

Detecting fake gold

I am thinking of buying gold if necessary one gram by one. Is there a surefire way for checking if gold is real, and of stated carats without a lab?
3
votes
1answer
100 views

How to test for heavy metal in water?

Is there a way to test if water has toxic heavy metals. Samples to both the water and people who drink it are available. Preferably, it should be done with at hold materials. I could also borrow ...
3
votes
1answer
52 views

Can rocket candy explode during the preparation?

I would like to follow the steps in this video: https://www.youtube.com/watch?v=hyPysthIRss After I mixed the Potassium nitrate KNO3 and the ...
2
votes
0answers
19 views

How can I test if a spirit (tequila) has oxidised?

Is there a way to test if tequila has oxidised and if so the level of oxidisation? It would be best if this could be done without a control sample, but the most important thing is if I can do this ...
2
votes
1answer
51 views

How to obtain nitrogen using only homemade utilities?

I am now constructing a RC plane. I would like to fill the tires of the landing gear with nitrogen to avoid combustion of oxygen during landing. I would therefore like to obtain a small amount of ...