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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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1answer
36 views

Nuclear chemistry home made [on hold]

A boy in Memphis built 1 year ago a nuclear fusion reactor at his home . How did he achieve so high temperatures in order for the fusion to take place?The fusion that took place was 2 atoms of ...
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0answers
18 views

Matching Dilutions between a Base and Acid [closed]

I'm doing an experiment, where I add different dilutions of red cabbage extract to different dilutions of an acid and a base to compare the colour change. You can see the procedure at this link: http:/...
3
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2answers
62 views

No current in homemade galvanic cell

I built a galvanic cell using 0.01 M solutions of copper sulfate and zinc sulfate. I used copper and zinc electrodes and immersed them into the proper solutions (copper into copper sulfate, zinc into ...
8
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3answers
707 views

Identify KNO3 and KH2PO4 at home

I am not expert in chemistry. I need to find a way to identify a $\ce{KNO3}$ and $\ce{KH2PO4}$ powder at home. I suspect the seller gave me the wrong powder. What is a simple way to test between these ...
3
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1answer
43 views

How can I increase the viscosity of dilute hydrochloric acid

I'm cleaning the mortar off a new clinker brick wall. Walls actually. I hate this job. The builder told me to wash down the wall with weak HCl, leave it for a minute or two, and then spray it off with ...
1
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1answer
64 views

Why is my sodium acetate not resulting in any crystals?

My son received a chemistry set for Christmas and we've been working through the experiments over the last few weeks. One of them involves boiling white vinegar and adding baking soda to produce ...
1
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0answers
28 views

How to make rheoscopic fluid using glycol stearate flakes

Rheoscopic fluid can be made by adding mica powder to water. I read that mica powder can settle and condense after sitting around for a long time. So I want to use glycol stearate flakes instead. ...
1
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0answers
56 views

What governs the amount of smoke produced by an extinguished match?

First Chemistry question, so apologies if this isn't quite in the spirit of this SE. I have noticed that when extinguishing a lit match by blowing it out, the amount of smoke produced can vary widely....
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2answers
63 views

Is citric acid is a anti foaming agent? [closed]

I added citric acid in my dish washing liquid. It stopped foaming. Iwant my liquid again to foam. because I prepared 4 litres of liquid. Please let me know how can i get back my liquid foam. please ...
3
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1answer
1k views

Full equation when using vinegar, hydrogen peroxide, and salt to etch copper

What is the full chemical equation when you use the following reactants to etch copper: vinegar / acetic acid (5%) $\ce{CH3COOH (aq)}$ hydrogen peroxide (3%) $\ce{H2O2 (aq)}$ salt $\ce{NaCl (s)}$ ...
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0answers
71 views

distillation of aqueous CAN solution for the purpose of a reversible and strong endothermic reaction in cool packs

I know calcium ammonium nitrate (CAN) is used for cold packs. By bending a small metal plate the salt gets dissolved in water (separated pack) and this process is endothermic. I would like to heat ...
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0answers
49 views

White deposit after adding Methanol to a beaker?

I added some methanol and boric acid to a beaker. I stirred it, and stored the solution in a glass vessel. I left the beaker out to let all the methanol evaporate, and came back a day later to see ...
5
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1answer
400 views

What are those… crystals?

I have been trying to make muratic acid from salt and phosphoric acid (didn't know that it's made at 150 °C). After waiting a few days, a third of the time it was sealed by placing a container over it,...
1
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1answer
72 views

How did early chemists measure mass of atoms?

Here a book says that Berzelius measured atomic masses using a simple lab and his measurements was so close to modern results. Can someone explain how a person living in 19th century was able to ...
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1answer
50 views

Making sulfate from elemental sulfur [closed]

I have $\approx\pu{2 g}$ of elemental sulfur that I need to convert to dissolved sulfate in DI water. What's the easiest lab chemistry that will get me there?
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1answer
54 views

Can hydrogen peroxide be oxygenated?

As per the heading, would peroxide be able to dissolve oxygen by whatever method, to have free oxygen and hydrogen peroxide mixed (under pressure?) similarly to $\ce{CO2}$ or $\ce{O2}$ in water? I ...
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3answers
114 views

Penny turns green with vinegar

What is the chemical explanation for pennies in vinegar turning green? What is the explanation at a macroscopic and atom-molecular level? The procedure is: Fold a paper towel so that it fits inside ...
4
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1answer
119 views

Electrolysis puzzle

I created an electrolysis setup to study how different electrolytes, their concentrations, and the electric current affect the "speed" of the electrolysis process. With that in mind, I built a simple ...
1
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0answers
119 views

What is causing a blue colour when sodium bicarbonate, vinegar and aluminium are reacted together? [closed]

My 10 year old has been experimenting in my kitchen! The other day he wanted to know why when he reacted bicarb soda and boiling vinegar in a container with some aluminium foil, the solution turned ...
5
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1answer
122 views

Why does my sodium acetate look like metalic magma?

I tried to make sodium acetate. Ingredients: Store bought vinegar - 8% acetic acid, water, E150C (caramel) Baking soda - $\ce{NaHCO_3}$ Steps: I first emptied sacks of baking soda to a ...
4
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1answer
578 views

Colored Flames Experiment

I am going to be doing a gender reveal for my sister's pregnancy. To do this, we wanted to light a huge fire pit and throw in a chemical to change the fire into the color (red/pink for girl, blue/...
2
votes
1answer
48 views

What are the best cleaning agents for carbon residues on glassware?

Introduction Recenly I wanted to isolate some ascorbic acid (Vitamin C or chemically - $\ce{C6H8O6}$). I've put the filtered solution (I had to filter it because of the binder) in a flask and heated ...
0
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1answer
57 views

How can I safely store highly outgassing self-pressurizing chemicals?

I have a standard copper etching solution of 1 part $\pu{10M}$ $\ce{HCL}$ and 2 parts 3% $\ce{H2O2}$ (as described in numerous places online). I previously had this stored in a tightly-sealed glass ...
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1answer
44 views

What would happen if you heat volatile/flammable material in a vacuum? [closed]

Fire is an oxidizing chemical reaction, in the simplest sense it needs oxygen and fuel to burn in order to stay alight. But what reaction would you observe from a flammable substance like gasoline or ...
2
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3answers
2k 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 ...
3
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1answer
65 views

What is chemically different about tea for hard water?

At the supermarket they sold tea for hard water. (Hard water is water with limestone/calcium carbonate in it). There appears to be a chemical modification for foods using this type of water. My ...
2
votes
1answer
65 views

Is it possible to melt HDPE to a point where it has similar viscosity to engine oil?

I have a few pieces of HDPE that I want to melt and cast into a cube of around $\pu{5 cm}$ each side, similar to what one would do with cast resin. I tried putting it into an oven and heating it to $...
7
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0answers
122 views

What acid did I accidentally create, and how?

So, I wasn't trying to do a chemistry experiment this evening; it was entirely unintentional! I was mixing up a batch of fertilizer for my plants (no nitrates involved, so I wasn't worried about ...
1
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0answers
36 views

Reaction of heated cupro-nickel in isopropanol or methanol

There are a number of youtube videos where someone heats a US quarter (which is copper sandwiched between layers of 75% copper, 25% nickel) to red heat and cooling it in methanol. This results in a ...
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0answers
32 views

Colorimetry at home?

Is there a reasonably priced option for colorimetry at home? Is this even a good option to accomplish my goal? I'd like to roughly determine the concentration of a chemical in an ethanol extract from ...
0
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1answer
48 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. ...
2
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0answers
68 views

What is the reaction involved in a childrens paper Christmas tree crystal growth?

For Christmas I bought my children a "Magic Growing Christmas Tree Crystal Paper Tree Christmas Decoration Science Toy". It looks like this: It came with a bag of liquid which you add to the tray at ...
9
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1answer
1k views

How to make pyramid-shaped NaCl salt crystals

I'm attempting to make sea salt pyramids like the one below. I understand this needs to be evaporated at a reasonable speed to stop the crystals forming a cube, as the when formed quickly, the edges ...
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0answers
377 views

How can I convert lidocaine HCL to lidocaine base

So I'm a hobbiest, no pro. I've got a formulation for a topical anesthetic I'm trying to mimic. It calls for lidocaine, ethoxydiglycol (aka. diethylene glycol monethyl ether) and a couple of oils. ...
14
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2answers
1k views

Are children's sparklers based on a magnesium reaction?

We were letting our kids play with sparklers on New Year's Eve, and my friend's son asked his Dad: What would happen if we threw the sparkler into the water? Would it keep burning under water. My ...
1
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1answer
64 views

Is it possible to protect molten magnesium with Butane

I am currently experimenting with simple methods of metal casting at home. It is conventional wisdom that magnesium is better left to the professionals due to the unfortunate arrangement of its ...
2
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1answer
340 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 ...
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1answer
41 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 ...
-1
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1answer
338 views

Difference between ginger essential oil and ginger powder [closed]

I'm planning to prepare natural toothpaste. Some recipes include ginger essential oil while others include ginger powder. What is the difference between them? Will ginger powder be as effective as ...
5
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1answer
89 views

How much yeast is necessary to produce the same amount of carbon dioxide that I exhale?

I think I might have bed bugs. I read that bed bugs are attracted to $\ce{CO2}$ and heat, I also know that yeast produces $\ce{CO2}$ as a waste product. Knowing that, I did some research and found ...
2
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1answer
89 views

Designing a device to separate water from water-ethanol mixture using dry ice baths

I've been trying to design a device to increase the percentage of ethanol and water, or to at least concentrate the water-alcohol mixture without using distillation. The way I'm trying to do this is ...
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0answers
220 views

Multi-solvent recrystallization to extract solute from glycerol?

I have compound A contaminated with impurity B. Recrystallization in water would not yield pure compound A since impurity B is less soluble in it. The only solvent in which substances A and B have ...
4
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0answers
86 views

Waterproofing and recycling paper

I've recently begun studying about waterproofing paper. Through what I learned is that the reason why paper absorbs water so easily is mainly because of it's material composition. Paper is generally ...
7
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2answers
659 views

How to tell between carbon powder or graphite powder?

I have a black powder that I cannot reliably tell just by looking or touching whether it is graphite powder or charcoal powder. Are there any simple tests that I can perform to tell whether it is one ...
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1answer
381 views

Making 250mL of 0.1M NaOH [closed]

I measured out approximately 1g of NaOH pellets . I then transfer it into a volumetric flask and transfer some amount of distilled water into the flask and dissolve the pellets before filling the ...
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1answer
64 views

Handling reagent bottles

I have done an experiment to prepare a standard solution. To keep this standard solution , I'm going to put it into a reagent bottle . If this reagent bottle is clean but not dry , what must I do ? ...
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0answers
25 views

failed simple experiment with surfactant

I wanted to show my son the effect of a surfactant. So I filled two small glasses with tap-water, added a squirt of RinseAid to one and stirred. Then I sprinkled powdered flour on both. My ...
2
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1answer
36 views

Keeping an open, partially empty soda bottle bubbly longer

I remember as a kid being able to get a little pump which you could screw onto a half empty soda bottle (I believe the bottles were glass at the time) to pump air into it to keep it fizzy for longer. ...
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0answers
116 views

Windex and Red wine

The other day I was cleaning my counter tops with windex. There was a couple red wine (cabernet sauvignon if it makes a difference) stains from the night before and the stains turned an gray/blue ...
3
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1answer
131 views

How to measure ratio of Na to K in table salt?

Some people state, that the salt which we buy at the supermarket contains too much potassium chloride. For me it seems to be a hoax, but I want to have a proof. Is there any way to measure the ...