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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2answers
671 views

How does vapour pressure affect cooking?

Why should we cover a frying pan with plate while cooking or use pressure cooker? Will it save cooking gas?
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1answer
94 views

Why is it that a little detergent cleans the clothing wash better than a lot of detergent? [closed]

People are accustomed to put a large amount of detergent in the washing machine to do their laundry thinking that if there is not enough it won't clean the soiled clothing. But I have read that too ...
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1answer
614 views

Transformation of fats in presence of alcohol

I have always observed when cooking that if I have some amount of fat like oil or butter in a hot frying pan and I pour some alcohol like wine on it, then there is a reaction and the quantity of ...
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0answers
22 views

THOROUGHLY mixing compounds [on hold]

I am trying to figure out what tools and methods I need to create a thoroughly mixed solution of the following component compounds: + 20 milliliters of liquid sunflower lecithin (very sticky and ...
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1answer
139 views

Can sulphur from low-flying planes be cause of silver tarnishing rapidly?

My silver dishes, tea set, etc. that previously needed polishing once or twice a year are now turning black in just a few weeks. This area has low-flying planes. Could they be releasing sulphur which ...
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2answers
440 views

What is the difference between Sodium Nitrate and NaNH3

I have almost no experience in chemistry so please excuse my ignorance. I am looking to purchase some Sodium Nitrate but the vendor I am dealing with has the chemical formula NaNH3 listed beside the ...
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1answer
1k views

Strange observation!

Every one have observed that when we pour cool water into a transparent glass (or simply glass), some droplets accumulate on the outside part. Did the droplets come pass through the glass? If they ...
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1answer
105 views

Why doesn't the density of water add up? [closed]

If the density of hydrogen is 0.09 g/ml and the density of oxygen is 1.429 g/ml, how is it that the density of water is 1 g/ml?
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1answer
75 views

Stoicheometry questions: I've been having a bad time not understanding the questions and how the steps are to achieve the answer. please help [closed]

Cetyl palmitate (C32H64O2) is a waxy solid and is the main component of spermaceti, the once prized wax found in the skull of sperm wales. The heads of sperm whales can contain up to 1900 L of ...
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1answer
820 views

What element is/used to be called Fb? [closed]

What element used to be called Fb? It was supposedly found in a meteorite in Antarctica and I can't find any references of it.
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1answer
123 views

How does an air conditioner produce liquid [closed]

I always notice that when an air condition is working and cooling the room it, is heating outside the room and a Liquid is dropping from the other side of the air conditioner. how does this happen and ...
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2answers
457 views

What happens when utensils are washed in detergent or soap.what type of reaction it is? [closed]

What happens when plates after dinner are washed with soap or detergent ? What colour change is observed? What type of reaction it is?
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1answer
77 views

charged particles [closed]

Why are charged particles influenced by magnetic fields? Is it the charicteristic charge itself that the field interracts with (positive or negative) or is there something else about the proton or ...
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0answers
36 views

Are the elements kinds of atoms? [duplicate]

There's a lot of atoms. There are 112 Elements, which i think are kinds of atoms. So if we say that it's an atom of lithium, we mean that lithium is a kind of atoms and this atom has the structure of ...
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1answer
136 views

Identification of an aromatic compound for a quiz [closed]

I need help identifying this structure for a puzzle. Original text was blurry, so a white overlay was added for readability, though some fragments might be different. Any help or suggestions are ...
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1answer
41 views

What structure is this? [closed]

What is the name of this structure? It's close to Leucine but I'm not sure.... Thanks!
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1answer
3k views

What is the chemical process which causes paints to dry? [closed]

How does paint dry? What is the chemical process?
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2answers
78 views

How to find the mass of the following solution? [closed]

What is the weight of a 1L of 0.5M solution of NaCl? Is it the whole solution weight 29.22 grams?
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1answer
1k views

How to determine the theoretical concentration of the acetic acid solution in mol dm-3 of vinegar

How do you determine the theoretical concentration of an acetic acid solution in mol dm-3 of vinegar that is 5% acetic acid, knowing that the density of vinegar is 1.000g cm-3?
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1answer
105 views

Can we safely consume ions? [closed]

When we drink salt water, we are consuming the sodium and chloride ions, right? We can't consume elemental sodium as it's highly reactive but the consumption of its ions seems to be fine. Does that ...
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1answer
72 views

Chemistry toilet paper [closed]

This is a stupid question, but I can’t find one of the compounds on this toilet paper: I have in order: Salicylic acid Aceton Caffeine ? Urea