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

learn more… | top users | synonyms

0
votes
0answers
8 views

Composition of dessicant

Most types of dessication packages use silica gel, but are there any that use calcium oxide instead? Here's my reasoning: Calcium oxide absorbs water, forming calcium hydroxide. Adding a (used) ...
0
votes
0answers
13 views

Hexane and clear, nonpolar liquids [on hold]

first question: Does n-hexane corrupt rubber or plastic? second question: Is there a clear, non-polar, easy to find, cheap and nonhazardous liquid? I would like a list. I want to build a flying ...
1
vote
1answer
12 views

Grapefruit juice to extract herbs for tincture

I tried searching my question on google and did not find anything. I am looking to extract herbs with pure 100% grape juice http://www.lakewoodjuices.com/product_detail/id-32/ ( it is pasteurized ) ...
0
votes
0answers
13 views

Does grape juice change to vinegar?

If I add cooked grape juice to vinegar, does the juice undergo fermentation and also change to vinegar? Are there other conditions like exposure to air? How long would such a process roughly take?
0
votes
0answers
8 views

Experiment with magnesium-sulfur fertilizer

This fertilizer for is for soil and plant growth, and I was thinking of doing an experiment with it. The bag says it contains magnesium sulphate and water soluble sulphur trioxide. Is there anyway to ...
1
vote
1answer
49 views
+50

Can ethyl acetate isolate cinnamaldehyde from cinnamon oil?

I recently watched a video on extracting cinnamaldehyde from cinnamon using dichloromethane as a solvent. I would like to attempt the process. However, I would prefer not to use haloalkanes because ...
2
votes
1answer
56 views

How to extract caffeine from coffee

To extract caffeine from coffee, I tried reacting it with baking soda to make tannins more soluble. I then put in salt to push caffeine out of solution. I saturated it with salt and then mixed the ...
0
votes
0answers
29 views

Neutralise the smell from ammonium sulfide

There are plenty of instructions online to create homemade stink bombs (that produce ammonium sulfide). I'm wondering if, having produced it, there is an experiment that will neutralise the ammonium ...
3
votes
1answer
38 views

Efficient oxidation of KCl to KClO3

I am trying to convert $\ce{KCl}$ to $\ce{KClO3}$ through an efficient process. I realize that I could electrolyze a solution of $\ce{KCl}$ to obtain some $\ce{KClO3}$ as a precipitate, however this ...
4
votes
0answers
29 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 ...
1
vote
2answers
44 views

Problem dissolving iron in HCl

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
vote
0answers
11 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
vote
0answers
18 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 ...
1
vote
1answer
48 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
vote
1answer
19 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 ...
-1
votes
0answers
64 views

Copper + oxygen not = copper oxide

I tried to create copper hydroxide. Instead of using what available on the youtube. I use the water from my copper coating which has 3 ppm. Since I have oxygen tank at home, I infuse them into the ...
3
votes
1answer
34 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 ...
3
votes
2answers
96 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 ...
1
vote
1answer
33 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
votes
1answer
29 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 ...
1
vote
2answers
21 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 -> ...
3
votes
1answer
23 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 ...
0
votes
0answers
6 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 ...
0
votes
2answers
48 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 ...
3
votes
1answer
27 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 ...
0
votes
0answers
27 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 ...
4
votes
1answer
77 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 ...
1
vote
0answers
23 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
vote
1answer
63 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
votes
0answers
58 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
vote
1answer
134 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 ...
3
votes
0answers
21 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 ...
1
vote
0answers
19 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
28 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 ...
0
votes
1answer
38 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?
2
votes
1answer
58 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 ...
0
votes
0answers
62 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
votes
2answers
63 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 ...
0
votes
0answers
148 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 ...
1
vote
0answers
24 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
votes
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 ...
1
vote
0answers
49 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. ...
0
votes
0answers
33 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 ...
1
vote
0answers
27 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 ...
0
votes
1answer
42 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 ...
1
vote
0answers
37 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
votes
0answers
46 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
vote
0answers
22 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?
1
vote
3answers
66 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
171 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 ...