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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 votes
1 answer
3k 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 ...
Iter Ator's user avatar
  • 143
4 votes
1 answer
377 views

The safety of homemade slime

Disclaimer: I am not a chemist, but I figured this may be the place to ask. So, recently, there has been a lot of news going around about the homemade slime burning a child's hands and I got curious ...
Patrick Barr's user avatar
4 votes
1 answer
10k 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 ...
QuarterShotofEspresso's user avatar
3 votes
3 answers
14k views

How to test for methanol?

I wanted to make some ethanol from baker's yeast and I used sucrose. I've made it and put it in a glass jar. I left it on a warm place (near the radiator) until the yeast died and after they died I ...
Adinex's user avatar
  • 376
3 votes
1 answer
3k views

Decomposition of iron(III) acetate?

I recently asked about the synthesis of iron (III) acetate. I want a rather concentrated solution to use as a calligraphy ink (which will be dissolved in alcohol/water). Will it be okay to heat the ...
Simon Kuang's user avatar
3 votes
2 answers
23k 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 $$\ce{...
Markovian8261's user avatar
3 votes
2 answers
12k 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 ...
Naz's user avatar
  • 139
3 votes
0 answers
112 views

Molar ratios not leading to complete reaction in Schweizer's reagent production

In my home lab, I've reacted $\ce{Cu(OH)2}$ with aqueous ammonia to produce Schweizer's reagent. However, I'm surprised by the amount of ammonia required to react with this amount of $\ce{Cu(OH)2}$. ...
TwoMice's user avatar
  • 139
3 votes
2 answers
40k views

Silicone vs Alcohol

The type of silicone sealant that you would buy at your local hardware store. Would it break down when exposed to 90% mixture of isopropyl alcohol?
Oliver's user avatar
  • 31
3 votes
1 answer
1k views

Home test for magnesium carbonate

People that do rock climbing and weightlifting usually use magnesium carbonate on their hands to decrease slippery hands. I would like to know how can someone that buys MgCO3 can really be sure it's ...
user5507535's user avatar
2 votes
1 answer
73 views

Nano coatings reaction with Al bottles

I have a question regarding nano coatings based on the formula "modified $\ce{SiO2}$". I have been told that $\ce{Al}$ bottles react with substances with a $\mathrm{pH}$ value below 3 or above 9. ...
Richardt's user avatar
2 votes
1 answer
1k views

Electrolysis with baking soda solution, a penny as the cathode and graphite for the anode

I set up an electrolysis experiment to show my kids and wanted to explain to them what is happening. My setup has a penny as the anode and graphite for the cathode. The solution is water with baking ...
bluknite's user avatar
2 votes
2 answers
2k 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 ...
steven's user avatar
  • 29
2 votes
1 answer
2k views

What factors might affect the reaction between potassium permanganate and ethylene glycol?

Our chemistry club has, for the last few years, been showing off some reactions to prospective students. One of the most popular tricks we have is a bit of an explosive one: we mix some potassium ...
chipbuster's user avatar
  • 3,393
1 vote
2 answers
5k views

How to cheaply extract iodine from an alcoholic solution?

I have an alcoholic solution of iodine. My goal is to extract the pure iodine without using rare or expensive compounds. How could I do this?
666nordless666's user avatar
1 vote
1 answer
194 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 ...
Markovian8261's user avatar
1 vote
1 answer
75 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 ...
hawkeye's user avatar
  • 833
1 vote
3 answers
4k views

Can caustic soda (sodium hydroxide) be used to dissolve urine odour?

I have an area of artificial grass at home in the back garden and during the summer months, the area emits a smell which I can only think is from the dog's urine when he pees all year long. The smell ...
kkudi's user avatar
  • 129
1 vote
1 answer
95 views

Non-wetting fluids for precise volume measurements

I need to precisely measure the internal volume of an open steel fixture. I was planning to do this via displacement, but I'm wondering what the best fluid would be. Ideally it should have no ...
feetwet's user avatar
  • 3,340
0 votes
1 answer
129 views

What is the modern hardware/supermarket term for 'laundry bluing'?

I want to make this amazing paper Crystal Tree with my kids. One of the ingredients is laundry bluing. It is described thus: The magic crystals that are left behind are a combination of the Mrs. ...
hawkeye's user avatar
  • 833
0 votes
1 answer
3k 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?
The Garage Chemist's user avatar
0 votes
1 answer
871 views

Distinguishing between potassium chloride and sodium chloride

I have these very large blocks of salt intended for a water softener in my house, but I'm not sure if they're potassium chloride or sodium chloride, according to what I've read they're both widely ...
0x777C's user avatar
  • 207
0 votes
1 answer
25k views

pH of baking soda in water? [closed]

If I dissolve 1 g of sodium bicarbonate powder ($\ce{NaHCO3}$) into 400 ml of distilled water, what will the pH of the resulting solution be?
Laura W's user avatar
  • 69
0 votes
1 answer
398 views

Catalyst and Inhibitors home experiments

My teacher assigned me a science experience involving catalysts and inhibitors at home. I think I understand the principle of it, but I fail to find possible experiments that I can do at home with a ...
stryz_'s user avatar
  • 3
-1 votes
1 answer
400 views

Chemical reaction to produce 5 liter of gas [closed]

I'm looking for a chemical reaction in order produce about 5 liter of harmless gas. The goal is to start with something that takes as little volume as possible to start with, and reacts to fill up a ...
user56455's user avatar
-3 votes
2 answers
849 views

Is this reaction to produce ammonium sulfide safe?

For my chemistry experiment, I was assigned to produce ammonium sulfide and test the chemical properties of the compound. From my online research, I found out that I can mix household ammonia and ...
user5037's user avatar

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