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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24 views

Is vegetable shortening a fully hydrogenated product or is it partially hydrogenated?

Have the oils used to make vegetable shortening been fully hydrogenated or have they been only partially hydrogenated?
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1answer
1k views

How to extract thymol from oregano leaves?

This is my second graders in highschool project of science report. I try to a make natural hand sanitizer using thymol from oregano leaves as the antiseptic ingredient instead of alcohol. I want ...
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1answer
2k views

Electrolysing vinegar

Yesterday I made a mixture of vinegar and salt and then electrolyzed it. I was just wondering if anyone could tell me what the process created, it would be greatly appreciated.
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1answer
574 views

Electrolysis of water with aluminum at the negative pole

I am doing electrolysis of water to collect the hydrogen and I'm running into a problem: on the positive side I'm using graphite from a pencil (I cannot use any other material because it corrodes too ...
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1answer
7k views

Chalk and vinegar

So, I wanted to make calcium acetate, through the reaction of calcium carbonate and vinegar. My proposed reaction: $$\ce{2CH3COOH(aq) + CaCO3(aq) -> Ca(CH3COO)2(aq) + CO2(g) + H2O(l)}$$ It seems ...
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0answers
102 views

Are there art supplies that create a new color by mixing through a chemical reaction?

When two elements or compounds react together, they form new compounds, which more often than not assume new colors. If the two elements or compounds don't react, they form uniform or non-uniform ...
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1answer
712 views

Is it safe to store muriatic acid, hydrogen peroxide and acetone?

I am recently getting into PCB etching. So I use 10 M HCL solution, 3% hydrogen peroxide mixed in 1:1 ratio for my etchent. Currently, I am storing my HCL and hydrogen peroxide in my shed which can ...
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2answers
508 views

Can hydrogen and oxygen gasses be turned back into water?

I electrolized water today, and got hydrogen. And I have a bottle of oxygen. Can I combine those to get myself water? I know $\ce{H2O}$ is super pure water, but I just want to try. Is this too idiotic ...
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1answer
477 views

Apple Cider vs Apple Juice Chemical/Physical Properties in Relation to Milk

Why does non-alcoholic apple cider mix smoothly with milk, but mixing apple juice with milk causes it to curdle?
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2answers
2k views

How to make soap without sodium hydroxide as the starting material? [closed]

These days I'm working on a school project and I need to make soap without using sodium hydroxide. If I really need to use it and there is no alternative, how can I obtain it from chemical reactions?
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1answer
30k views

How would you separate sugar from water?

I'm a student and I've been getting interested in chemistry. I really like experiments and was brainstorming of possible things to try out, one of them was separating a homogeneous mixture. I thought ...
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2answers
378 views

Heating CuO and Urea

My little brother had to do this experiment at school, but couldn't finish it because of a lack of time. My chemistry knowledge isn't as well as it used to be, so I couldn't be much of an help. There ...
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2answers
1k views

Essential oil extraction using ethanol

I want to make extracts of Black seeds. I do not posses any professional equipment, I just want to ask if it's possible to make extracts by soaking the seeds in ethanol for a long time and then ...
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0answers
582 views

Mechanism of action for Citric Acid as a cleaning agent for limescale?

This may be a silly question, but I am not that certain I understand this process because of the low solubility of Calcium Citrate. How does citric acid actually clean limescale? How much limescale ...
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0answers
116 views

How to use zinc sulfide to produce hydrogen (via photolysis)

According to wikipedia, zinc sulfide added to water and then brought into the presence of (sun?) light will split the water into hydrogen and oxygen. Is this practical (for demonstration purposes) and ...
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1answer
2k views

Why do raisins bob up and down in carbonated water?

Yesterday I preformed a fun little experiment where I poured a glass of seltzer water into a glass, then dropped a few raisins into it. I observed that the raisins would float at the top of the glass ...
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0answers
685 views

Sugar burning with the assistance of ash

If a plain pile of sugar (or a sugar cube) is heated with a torch, it just melts and gives off smoke. However, if some paper or wood ashes are added, it burns quite easily. What are the ingredients of ...
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0answers
68 views

Composition of carbon rods in alkaline batteries

The carbon rods in batteries look somewhat similar to graphite, but they do not leave a significant mark on paper. What form of carbon are they? Are they simply just graphite with a large amount of ...
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1answer
52 views

What are common procedures for lab absorption spectroscopy of gases?

I'm doing research for applications of absorption spectroscopy. I'm trying to find common practices such as how the gasses are mixed, measured, contained, and discarded. The gases involved will be ...
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2answers
530 views

Producing ketones from secondary alcohols using hydrogen peroxide

Usually, to produce ketones from secondary alcohols (e.g. propanone from 2-propanol), people use a solution of potassium or sodium dichromate with a small amount of sulfuric acid. Can other oxidizers ...
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1answer
1k views

Separating glucose and fructose

If I have a mixture of glucose and fructose in aqueous solution, what is the simplest method to separate them? Heating to 110 °C to melt only the fructose would probably work theoretically, but this ...
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1answer
531 views

How does fat affect the precipitation of proteins?

I am doing an experiment using milk, heavy cream, and vinegar. We are trying to precipitate proteins from milk and heavy cream. When I did the experiment with milk, it was very quick reaction and ...
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1answer
2k views

Reacting sodium metal with aqueous sodium hydroxide, what would happen?

I know sodium metal, when reacted with water, produces flammable hydrogen gas but I was wondering if that would also be the case if I had aqueous 1M sodium hydroxide? Would this reaction be safe or ...
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2answers
2k views

How to obtain calcium carbonate?

I read calcium carbonate is the main component of seashells and other animals' shells (such as snails), and also limestone. How can I prepare pure $\ce{CaCO_3}$? Could someone describe the process ...
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1answer
2k views

How to separate sulfur and carbon powders? [closed]

How can someone separate two elemental solids, in powder form, that are mixed together? If I have a powder, and its mass is 60% carbon and 40% sulfur, how do I separate one from another in a high ...
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1answer
473 views

Lysol and bleach

I mixed Lysol with bleach and observed that the container became very hot. What reaction occurs between Lysol and bleach, and could it be dangerous or explosive?
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0answers
85 views

Grapes in a Microwave - Experiment

I am considering attempting an experiment in which one puts two, almost severed, halves of a grape in a microwave with a glass over it. To my knowledge so far, the grape halves act as focal point for ...
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1answer
153 views

How to set up a home laboratory? [closed]

How would I set up a home lab at home. I want to study chemicals and I have been given a medium-sized(6ft by 3ft) space in the garage.
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2answers
66 views

Oxygen and Hydrogen [duplicate]

I wonder if two gases , Hydrogen and Oxygen (product of electrolysis, HHO) are placed in a glass jar and let it seat for a few hours, will they separate (Oxygen to the bottom and Hydrogen to the top) ...
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0answers
51 views

Is it possible to observe ATP energy transport in table experiment?

Is it possible to take AMP or ADP, then phosphorylate it convert to ATP to charge with energy, then transport to other place an then observe energy freeing? In table / home / school experiment?
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1answer
127 views

Is there safe chemicals for making voice pitch or bass?

I'm looking for safe experiment that can pitch and bass my voice.finally I find a video that do it but he said "not try in home,ok..?".Is there safe tool or chemicals for Manipulation of the larynx is ...
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2answers
17k views

Extracting urea from urine

What is a process for the extraction of urea from urine? These are the steps I have come up with: Add 2-propanol to get rid of any bacteria present. (The 2-propanol likely contained some sodium ...
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2answers
112 views

Can I split water without constant refill of solution?

I've looked all over the place to find a way for me to separate water without needing to put in salt. What I've found is you can separate water into hydrogen and oxygen through electrolysis (which ...
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1answer
2k views

Sulfuric acid from elemental sulfur and hydrogen peroxide

Will this reaction proceed under standard conditions? I don't really care if it is quite slow, as long as it takes less than a month to finish: $$\ce{S8(s) + 24 H2O2(aq) -> 8 H2SO4(aq) + 16 H2O(l)}...
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1answer
791 views

Removal of water from sulfuric acid

Suppose I have a dehydration reaction of methanol to produce methoxymethane: $$\ce{2 CH3OH(l) ->[H_2SO_4] C2H6O(g) + H2O(l)}$$ Usually, people will use sulfuric acid to dehydrate the methanol. ...
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1answer
3k views

Hydrogen sulfide and sodium carbonate reaction

What is formed in the reaction between hydrogen sulfide and aqueous sodium carbonate? My guesses are sodium sulfite and/or sodium hydrogen sulfite. However, the equations don't seem to balance ...
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1answer
891 views

Sodium permanganate from manganese dioxide and sodium hypochlorite

This page states that sodium permanganate can be formed by the reaction of manganese dioxide with sodium hypochlorite and sodium hydroxide: $$\ce{2 MnO2 + 3 NaClO + 2 NaOH -> 2 NaMnO4 + 3 NaCl + ...
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1answer
90 views

Production of sulfuric acid using sulfur dioxide

Is it possible to create sulfuric acid using sulfur dioxide directly dissolved in water? Usually, people oxidize the $\ce{SO2}$ to sulfur trioxide ($\ce{SO3}$) first. If this is possible, why is it ...
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1answer
544 views

Removal of octadecanoic acid from paraffin wax

I have some very plain candles. I don't think they contain anything but paraffin wax and octadecanoic (stearic) acid, since they are odorless and very hard to bend, tending to crack instead (even at ...
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1answer
84 views

Homemade insecticide, is it safe or will a harmful chemical reaction occur? [closed]

I live just outside of Tucson Arizona and there are a lot of venomous spiders, scorpions and other potentially harmful critters. I have 2 retrievers, 2 cats and 4 turtles and would like to avoid ...
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2answers
281 views

How to measure saturated salinity and mineral levels for flaked sea salt?

I am a sea salt enthusiast looking to make the perfect flakey sea salt. I start with sea water and boil it down to a thick brine. Then with less heat I reduce the brine more slowly and inverted salt ...
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0answers
650 views

Salt crystal growing inside a mold inside a jar

I have recently found an experiment where you can grow a salt crystal on a jar. The experiment works like this: we take a jar, fill it with hot/warm water and start dissolving salt in it until it ...
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1answer
656 views

Copper acetate synthesis without hydrogen peroxide

Usually, when people synthesize copper acetate, they use a mixture of acetic acid and hydrogen peroxide. I assume this is because the acetic acid actually reacts with the various oxides on the copper, ...
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3answers
2k views

Can hydrogen gas reduce copper(II) ion?

I have a solution of copper(II) sulfate, and I would love to precipitate the copper metal. From looking at the standard reduction potential table, it appears that I can do this by bubbling hydrogen ...
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1answer
141 views

Composition of desiccant

Most types of desiccation 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) ...
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1answer
49 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 ) ...
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1answer
443 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?
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1answer
578 views

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 ...
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2answers
4k 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 ...
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0answers
599 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 ...