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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Real life example for second law of thermodynamics

Is there any real life example that can illustrate the Kelvin - Planck's statement of the second law of thermodynamics?
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Is toothpaste in plasma state? [duplicate]

My friend told that toothpaste is an example for plasma state and it is because it is a semi solid.He said all semi solids are plasma
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1answer
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What chemicals are in anesthetic drugs [closed]

What chemicals are there in an anesthetic drug and how it reduces the pain of a person? Are the chemicals used in it safely, dangerous or both?
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Calcium hydroxide and why there are parenthesis

Basics but in calcium hydroxide Ca(OH)2 , *Where the 2 is a subscript what do the parenthesis symbolize? Why isnt it just CaOH2??
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862 views

How can I Create an explosive with everyday used chemicals? [closed]

I would like to know How can i create a simple (Maybe Complex) Chemical that can be used as an explosive. I would like to use it to blast A regular cardboard box.
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Is the mass of a mole identical for different elements? [closed]

For example, if I have 2 moles of iron and 2 moles of copper, do I have an equal mass of each?
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459 views

Would a button cell battery contain mercury? If so, why?

I was wondering if an alkaline button-cell battery that says $0~\%\ \ce{Hg}$ is actually completely mercury free or if it is still considered to have traces of mercury. Why do some batteries say no ...
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3answers
64 views

Converting plastic back to bio-degradable substances [closed]

I have read that every plastic ever made still exists. Plastic must be made of some substances that are biodegradable. Even if they aren't, why can't we change their form? Why can't we change plastic ...
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1answer
38 views

Can aroma compounds travel through metal boards and glass? [closed]

A friend from customs said "if drugs have been in a glass jar for more than a day, the aroma compounds travel through the lid and the dog can detect it, especially after 2-3 days. They can travel ...
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1answer
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Isotopes and elements [closed]

this is a gold bar. If we look at its structure, will we see that there are atoms that have a different number of neutrons (aka isotopes) (as far as I'm concerned, an isotope is an atom with a ...
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66 views

I need some help on this Chemistry question can any one help please!! I need to find the cost of a single atom of aluminum [closed]

A 75 ft2 roll of aluminum foil costs $3.79. A 12"x12" pieces has a mass of 1.0 g. How much does a single atom of aluminum cost, in dollars? i need to show all my work i am so lost.
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472 views

Balance equation for trilead tetra oxide -> lead monoxide + oxygen [closed]

Please give me the answer for this question. I am having difficulty in this question.
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Conversion of H2O2 into H2O [closed]

If I had $\ce{H2O2}$ in a beaker and I put $\ce{H2}$ and $\ce{O2}$ gas in that beaker, what would happen? $\ce{H2}$ will combine with $\ce{H2O2}$, or a $\ce{O}$ atom in $\ce{H2O2}$ will separate and ...
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What is the oxidation state of the element Oxygen in the molecule FONS, assuming that it does indeed exist [closed]

What is the process to determining charges regardless of the molecule? Is there some sort of rule book?
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712 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
102 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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671 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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In Titration, what is the RSD in ppp given a new RSD. Just like the picture attached [closed]

ABN amdbma nadnb anbdnab nadnbd dansbdna anbdna nadnabdna dnabdnabdna dnadnabdn anbdnad anbdnas Look at the picture attached.
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Could you give me alternatives to coke and mentos? [closed]

We have this Science project wherein we have to make a volcano that will erupt. We’re not allowed to use the coke and salt, sprite and mentos, and the baking powder alternatives. Could you give us ...
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1answer
153 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
451 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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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
108 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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80 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
906 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
124 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
482 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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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
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What does two countries do to correct the situation? [on hold]

The wind blows across Country A and into Country B. Country A has fossil-fueling burning power plants, but a relatively low level of air pollution. Country B has power plants run by water (...
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calculate the enthalpy of solution for ammonnium chloride [closed]

What is the change in temperature when 3.00 grams of ammonium chloride is dissolved in 100 mL of water? change is temp was -1.99 Given the change in the temperature from adding 3.00 grams of ...
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1answer
138 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
4k 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
79 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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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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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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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