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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4
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1answer
543 views

Electroplating copper onto steel

I'm rather unfamiliar with chemistry but I want to electroplate steel with copper. From Wikipedia: The cations associate with the anions in the solution. These cations are reduced at the cathode ...
3
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2answers
2k views

Why did my iron nails not dissolve in hydrochloric acid?

I was trying to dissolve iron metal in HCl to make iron chloride, but ran into some problems. I'll give a brief background of my experiment. I took iron nails and put them in a container filled with ...
1
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0answers
27 views

The distinction between graphene supercapacitors and reduced graphite oxide supercapacitors

Looking at this study, Direct laser writing of micro-supercapacitors on hydrated graphite oxide films, a consumer laser cutter is used to synthesize reduced graphite oxide supercapacitors from ...
1
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0answers
74 views

Mate & Carbonated water reaction

I know that when adding carbonated water with Yerba Mate leaves there is a reaction that removes the carbonation. (Empirical results) I wonder what actually causes such reaction but looking in ...
4
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2answers
2k views

Cheap metal to replace platinum in hydrogen fuel cell

Platinum is used as a catalyst in hydrogen fuel cells because it increases the efficiency. However, if I just want to make a fuel cell for demonstration purposes, I don't want to use a lot of money to ...
1
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1answer
41 views

Is the variation in carbonation of soft drinks the variable that affects the effectiveness of the mentos reaction?

I went and bought a bottle of Fanta and some Mentos to replicate the famous youtube videos of the big fizzy reaction. The result was dismal, it weakly foamed up and dribbled over the edge. I tried ...
3
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1answer
358 views

Chromatography: Why does the insoluble compound get pulled along?

In paper chromatography, we see that a paper with an ink spot on it get dissolved in the liquid and travels up with water due to capillary action. Then the compounds with more affinity to the paper ...
2
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2answers
2k views

Separating Lipids from Milk

I am trying to develop a procedure to test the percent mass of lipids in (update: homogenized) milk. It doesn't need to be very accurate, just an interesting application of chemical principles. As I ...
2
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1answer
988 views

Most efficient way to purify household vinegar: distillation or freezing?

I am aware that there are better ways to purify acetic acid out of a water-acid mixture than these, but which one out of distillation (using heat) and fractional freezing (using cold) would gain a ...
3
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1answer
329 views

Removing aluminum “corrosion?”

I have some aluminum alloy, possibly 6063 or 7050 (no clue really) which has corroded. The finish might be silver-anodized but I doubt it due to the high polish, could be urethane. The item is a ...
3
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3answers
4k views

Problems with creating sodium hydroxide from sodium (hydrogen) carbonate

If sodium hydrogen carbonate (baking soda, $\ce{NaHCO3}$) is heated to greater than $50~\mathrm{^\circ C}$, it will release carbon dioxide and water to form sodium carbonate: $$\ce{2NaHCO3 -> ...
2
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3answers
3k views

Decomposition products of sodium acetate

I heated some sodium acetate to a high temperature (about 500 degrees celsius). Upon doing so, I could smell an irritating smell reminiscent of vinegar. I stopped then, assuming they were acetic acid ...
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2answers
213 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 ...
4
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1answer
828 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 ...
10
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1answer
293 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
219 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 ...
1
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1answer
186 views

Will the addition of salt further cool down ice that is already at -30 °C?

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 ...
0
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1answer
179 views

How does Drain opener decompose?

I used drain opener (sodium hydroxide and sodium hypochlorite) in an RV and accidentally caused it to drain out (mixed about 1:10 with water) onto concrete below. There is a fairly strong smell. ...
2
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0answers
666 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 ...
1
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1answer
15k 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 ...
2
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0answers
52 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 ...
3
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1answer
603 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
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1answer
1k 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
1k views

Required temperature for 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?
2
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1answer
679 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 ...
5
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2answers
4k 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
32 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 ...
18
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1answer
2k 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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1answer
1k 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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2answers
454 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 ...
2
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2answers
1k views

Potassium Alum Crystals

This is a question regarding the crystallization of $\ce{KAl(SO4)2 . 12 H2O}$. I have an idea of what to do (I'll explain later in the explanation), but I would like to hear other suggestions encase ...
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1answer
68 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 ...
3
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0answers
74 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: $\ce{Fe}$, $\ce{Cu}$, $...
1
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3answers
326 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 ...
7
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2answers
7k 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 ...
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0answers
314 views

What is the patina formed on copper pennies?

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 ...
0
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1answer
444 views

Reactivity of KOH with PVC

I Would like to know if its possible to get a reaction between KOH at ~50% (w/w) and an usual PVC pipe? If yes what kind?
2
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1answer
231 views

Lead(II) oxide 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 ...
2
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2answers
7k 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 ...
6
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2answers
201 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
539 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 site/...
5
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4answers
14k views

How do I control the negative 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
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1answer
8k views

Does turning propane or butane gas tank upside down help to use the remaining gas?

Some think that when gas (propane-butane 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
4k views

Is styrofoam soluble in gasoline or paint thinner?

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
350 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
137 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
746 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 ...
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0answers
147 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
75 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
693 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 ...