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Why do mothballs disappear EXPLAIN?
Mothballs contain a substance called naphthalene or paradichlorobenzene, which slowly evaporates when exposed to air. This process is known as sublimation, where a solid transforms directly into a gas without passing through the liquid phase. As the mothballs evaporate, they gradually disappear, leaving behind no residue or physical remnants.
What are the elements in mothballs?
From the Wikipedia article on mothballs, "Older mothballs consisted primarily of naphthalene, but due to naphthalene's flammability, modern mothballs instead use 1,4-dichlorobenzene (also called para-dichlorobenzene, p-dichlorobenzene, or PDB)."
What do mothballs kill?
Mothballs are typically used to repel and deter moths and other insects, rather than actively kill them. The chemicals in mothballs, such as naphthalene or paradichlorobenzene, release fumes that are toxic to insects and can interfere with their respiration and nervous system, leading them to avoid the area where the mothballs are placed.
What temperature does mothballs boil?
Mothballs are usually made of naphthalene. Naphthalene has a boiling point of aroun 218oC (424oF).
What is non polar molecule alcohol or mothballs?
Alcohol contains a polar hydroxyl group, whereas mothballs contain a non-polar compound. Mothballs formerly contained naphthalene, but now contain 1,4-dichlorobenzene.
What happens when mothballs are added to baking soda and vinegar?
This demonstration actually works better when the mothballs are added to a clear soda drink (e.g. 7-Up). The mothballs by themselves are just a little bit denser than the liquid, so they sink to the bottom. As carbon dioxide bubbles accumulate on the outside of the mothballs they eventually become buoyant and slowly rise to the top. While at the top the bubbles break and the mothballs sink again. This will repeat until the liquid runs out of carbon dioxide. As the mothballs are not soluble in water, if you use a clear soda drink you can still drink it when you are done (after removing the mothballs so you won't risk swallowing one and choking), but it of course will be somewhat "flat".
Why do mothballs disappear EXPLAIN?
Mothballs contain a substance called naphthalene or paradichlorobenzene, which slowly evaporates when exposed to air. This process is known as sublimation, where a solid transforms directly into a gas without passing through the liquid phase. As the mothballs evaporate, they gradually disappear, leaving behind no residue or physical remnants.
Are mothballs legally sold?
Mothballs are legally sold for use of the purposes listed on the label. It is illegal to use mothballs for other purposes including using mothballs in gardens.
From what state does sublimation change to?
Sublimation causes a change from solid straight to liquid or vica-verca, skipping the liquid phase altogether. Examples are mothballs and dry ice (frozen CO2).
How many hours do a mothballs melt?
Bleh. Mothballs are gross.
What are the elements in mothballs?
From the Wikipedia article on mothballs, "Older mothballs consisted primarily of naphthalene, but due to naphthalene's flammability, modern mothballs instead use 1,4-dichlorobenzene (also called para-dichlorobenzene, p-dichlorobenzene, or PDB)."
What is the scientific name for mothballs?
The scientific name for mothballs is naphthalene.
How would you use the word Mothballs in a sentence?
As I opened the wardrobe, mothballs fell out.
What happens if you don't put enough baking soda in the mothballs?
the mothballs will fly away
Does mothballs cause nose bleeds?
I have never known mothballs to cause nose bleeds.
Will mothballs chase away wasps?
While it is not proven that mothballs will keep wasps away, there is evidence that they do. Mothballs also seem to keep small rodents away too.
Could you still eat the foods that's tastelike mothballs or affected by the fragrance of mothballs?
NO! Not safe!
