Questions tagged [everyday-chemistry]

Applications of chemistry to reagents, reactions and processes of everyday life. Use this tag for question on chemistry in an out-of-laboratory/class context. DO NOT use this tag merely because the question is about simple chemistry.

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When we say “the energy in a system” (in chemistry) do we mean the energy stored in the chemical bonds in the compounds present in that system? [duplicate]

Is it the energy stored in the chemical bonds of the compounds present in a system, that we refer to as the energy in/of a system ?
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Methods to extract sucrose from tea after it's been stirred in?

Sugar is often labelled "white poison" now-a-days and a lot of negative health consequences happen due to increased sugar consumption. Keeping this in mind, if I were handed a cup of tea (with sugar ...
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329 views

What reaction occurs when etching copper to create circuit boards?

The components used for etching copper are acetic acid, hydrogen peroxide and sodium chloride. I think the equation may be similar to this: $$\ce{2H3C2O2H + H2O2 + 2NaCl + Cu -> CuCl2 + 2H3C2O2Na +...
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Mixing bleach and ammonia?

I know that the two should not be mixed, but i want to know that if the two become mixed in a contained unit, does it build pressure? Or can you seal the container safely untill it can be disposed of ...
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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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What reactions create a lot of gas really quickly?

I'm looking for a chemical reaction that produces a large amount of a gas in a very short amount of time (like less than a second). What are my options?
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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. ...
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What does Pb(NO₃)₂ + KI form? [closed]

What does $\ce{Pb(NO3)2 + KI}$ form?
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What ratio of bicarb to sugarcane juice with a pH level of 4.5-5.5 to neutralize pH level? [closed]

I am thinking of adding baking soda to sugarcane juice to eliminate the fruity acid that is present. The pH of sugarcane juice ranges from 4.5-5.5. I wonder how much baking soda should I incorporate ...