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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Would trioxidane gas nullify the residues from a meth house? [on hold]

Could trioxidane nullify toxic residues from meth houses? I am looking for a way to clean the residues from a house that has had methamphetamine smoked in it without having to destroy it. Would ozone ...
-3
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0answers
24 views

Can calcium removed from milk by adding simple salts? [on hold]

can just adding sodium sulfate or sodium carbonate preciptate all calcium in milk ?! If this is not possible , then how to do it ?!
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0answers
4 views

Resolve carpet cleaner and iron oxide bleaching reaction

I was wondering if anyone would explain this chemical reaction: My wife dragged a steel file cabinet in the basement that was rusty across a section of carpet. Then she"cleaned" the dirty spot with ...
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2answers
43 views

Acrylic container and electrolysis

Normally when you do electrolysis, you would use a glass container. Would it be wise to use a acrylic container? I have one spare but not sure if this would affect the electrolysis process. Is there ...
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1answer
18 views

Etching ITO on PET without damage

I am planning to use some of this to construct a transparent touch panel for a prototype of mine. It is PET plastic coated in Indium Tin Oxide. My plan is as follows: Use some of this UV-cure dry ...
-3
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0answers
21 views

to obtain conc. sulphuric acid from dilute solution

I want to obtain concentrated sulfuric acid from its dilute solution .I think by simple boiling concentrated acid can be obtained but it can also release toxic gases so please tell me some other ...
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0answers
24 views

Special effects: using non-toxic solutions to create colors

I'm looking for a non-toxic solution to create low budget special effects without using digital effects. An actor ($175\: \mathrm{cm}$ tall) could: wear a particular kind of clothing? be coated ...
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0answers
26 views

Gases produced by pyrolysis of cellulose

I heated cotton in a sealed container (with a small hole) over a natural gas flame. Some gases and smoke were produced. What would they probably be? I can come up with some guesses based on the ...
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0answers
18 views

Exothermic reaction between sodium carbonate and castile soap

The other day, I tried to mix liquid castile soap and washing soda (sodium carbonate) to use in doing laundry. I mixed equal parts liquid soap and sodium carbonate by weight. To my surprise, an ...
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1answer
49 views

How does salt help with −30 °C cold ice?

I know that ice gets colder when salt is added. But how big is the effect if it is already −30 °C? Can it cool it down more or does it just work with −1 °C cold ice? Another question: If I have a ...
2
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0answers
55 views

What would be a safe/good surfactant for ultrasonic cleaning vinyl records + distilled water and isopropyl alcohol

Title pretty much says it all besides the type of records I believe are pvc (60s - current, someone correct me if there may be other materials but I absolutely don't have any shellac records) and I ...
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1answer
115 views

Reaction between sodium carbonate and water

In this Wikipedia article, it mentions: As the concentration of sodium carbonate increases, it undergoes hydrolysis to form sodium hydroxide. $$\ce{Na2CO3 + H2O → 2NaOH + CO2}$$ Because this ...
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0answers
20 views

Dismutation of ethanoic acid

Ethanoic (acetic) acid can undergo fermentation by methanogens to create $\ce{CH4}$ and $\ce{CO2}$. Is there any way that I could perform this reaction without any microorganisms, specifically with ...
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0answers
16 views

Gases produced by bacterial decomposition of human urine

I know that when urine (more specifically, the urea within) is metabolised by bacteria, ammonia is released. However, because of the high solubility of ammonia, I assume it simply dissolves into the ...
2
votes
1answer
21 views

Production of hydrogen using vinegar and metal for experiments

If I cannot, or do not want to use electrolysis of water to produce hydrogen, is it a viable alternative to react vinegar (ethanoic acid) and iron (or steel, or copper) to form iron(II) or copper ...
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1answer
31 views

Quick question about the reduction of iron oxide using carbon

When reducing iron oxide with carbon, must the substances be set alight or do they only need to be heated. Also, when the iron is formed will it immediately oxidise in the air?
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1answer
51 views

Trying to displace iron from ferrous sulphate heptahydrate using aluminium foil but nothing has happened

I started by dissolving the sulphate into water and filtering it as I noticed there was a dirty residue lying at the bottom. (I am using ferrous sulphate that is commonly used in gardening.) I then ...
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0answers
53 views

Iron (II) Nitrate, Fe(NO3)3

I want to conduct an experiment that involves solutions of Iron (II) Nitrate and Silver Nitrate. However, I can't seem to find any Iron II Nitrate online therefore I started pondering upon whether or ...
4
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2answers
55 views

Safe endothermic reaction that gets below freezing?

I have a project/idea I am working on but I am only 14 years old and I need some help. I'm looking for an endothermic reaction that gets below freezing, but the chemicals before the reaction and ...
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0answers
118 views

Why does AgNO3(aq) + Fe(NO3)2(aq) -> Ag(s) + Fe(NO3)3(aq)?

Reaction: $$\ce{AgNO3(aq) + Fe(NO3)2(aq) -> Ag(s) + Fe(NO3)3(aq)}$$ I want to extract some silver out of silver nitrate at school. My class has just finished Electrochem and using the knowledge I ...
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0answers
23 views

How to estimate the number of hydrogen bridges in a bouncing ball?

We want to make a bouncing ball: the reaction is between with polyvinyl acetate (PVAc) of wood glue and borax. It makes bridges between the molecules like DNA and hydrogen bonds. We would like to ...
14
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1answer
1k views

Counterintuitive Reaction of Aluminium On Steel Balls

There is a certain video which I just watched about 2 large cast iron balls. If the balls are struck together, no reaction happens, but if one is covered in aluminium foil and then struck, a large ...
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0answers
34 views

Production of acetone from egg shells and vinegar

I learned from these wiki pages that acetone can be produced from calcium acetate, which can be produced by the reaction of eggshells and vinegar. However, I couldn't find the required temperature. ...
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0answers
31 views

Is it possible to efficiently convert hydrogen to methane?

According to this wikipedia page, hydrogen can combine with the carbon found in carbon steel to form some methane inside the steel, weakening it. Is is possible to convert hydrogen to methane by ...
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0answers
22 views

Potassium Alum Crystals

This is a question regarding the crystallization of KAl(SO4)2 * 12H2O. I have an idea of what to do (I'll explain later in the explanation), but I would like to hear other suggestions encase the ...
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1answer
41 views

How did chemists in the 18th century learn that magnesium gain mass when it's burned?

Crucial to disprove the phlogiston hypothesis was the observation that magnesium gains mass when burns. But how was this observation made in the 18th century? Is there any way this property of ...
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0answers
35 views

How to produce molasses from liquid pineapple waste? [closed]

Can molasses be produced from liquid pineapple waste? If so, what is the procedure to do so? Is a 3-time boiling process required?
4
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0answers
45 views

Safety regarding multiple metals in same acid solution

My son is testing the corrosion of metals in various solutions. Is it okay to place strips of multiple metals in the same container of a specific solution? Metals being tested: $\ce{Fe}$, $\ce{Cu}$, ...
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0answers
21 views

why aluninum containers can't fill solution with Cl-

It is said that $\ce{Cl^-}$ will corrode Aluninum containers. Why? Is it because form galvanic cell or produce coordination compounds?
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3answers
63 views

Replacing gas in a chamber

Is there a way to replace a gas (air) for example with another gas (say, helium) in a gas chamber? It does not need to be a complete replacement, but there would need to be a significant amount of the ...
6
votes
2answers
161 views

Is there an easy way to test for the amount of iron (Fe) in water?

I have a rusty metal rainwater tank, and I'd like to find the amount of iron in the water. (The water I've collected is perfectly clear.) How would chemists in the 1800's have gone about this? What ...
0
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0answers
33 views

Copper Penny Experiment Explanation

I'm currently taking high school chemistry and I don't quite understand my results from my experiment. I had two pennies where both were put into a mixture of salt and vinegar. One of the pennies was ...
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0answers
34 views

Lead oxide(ii) Crt monitor extraction

I have a large crt monitor that, by the weight of the monitor, I estimate to contain over two pounds of lead. I want to know if the lead oxide is a mixture with the glass, or if it is chemically ...
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1answer
237 views

Separating iron from blood

How can I separate iron from blood, without doing any damage to the blood/haemoglobin? I have thought about using a magnet, but apparently iron in blood is not magnetic, and I have also looked at ...
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0answers
31 views

How do I analyse this data? (optimization experiment)

I conducted an experiment to find the optimal concentration for sugar in yeast respiration, and this is the data I found: What do I do from here? Do I just fit a linear model on the increasing ...
2
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1answer
55 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 ...
4
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4answers
1k 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 ...
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0answers
54 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 ...
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2answers
73 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 ...
2
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2answers
78 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 ...
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0answers
47 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
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1answer
58 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
56 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 ...
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0answers
32 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?
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1answer
57 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
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1answer
67 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 ...
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1answer
76 views

Experiment with powder and liquid

Can you please explain this experiment? Why is this happening?
4
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0answers
100 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
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1answer
41 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?
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1answer
284 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 ...