Why do some scents travel and persist longer than other?

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For example: When my fiancé is making toast or coffee in the kitchen, I can smell it throughout our whole apartment, and the smell stays for a pretty long period. But if I would break wind for example, it would dissipate after a short while and not travel between rooms.

Why is that?

In: Chemistry

3 Answers

Anonymous 0 Comments

I would hope your body doesn’t produce farts in the same consistency and strength as cooking ware. You’d have to bare ass fart, non stop for as long as it would take to make your toast.

Anonymous 0 Comments

Using your example, there is only so much fart to spread around before it is too diluted to notice or all the particles settle. When making coffee and toast, there are physical objects remaining on the counter to continue producing particles that your smell.

Anonymous 0 Comments

Different amounts and different chemicals. Making toast or coffee produces much more gas than a fart.

Some chemicals are also much more easily detected by the human nose. [Especially some Sulfur compounds have ridicilous odour strengths.](https://en.wikipedia.org/wiki/Thioacetone)