439
submitted 1 month ago by [email protected] to c/[email protected]

https://xkcd.com/2943

Alt text:

I'm an H⁺ denier, in that I refuse to consider loose protons to be real hydrogen, so I personally believe it stands for 'pretend'.

top 36 comments
sorted by: hot top controversial new old
[-] [email protected] 46 points 1 month ago
[-] [email protected] 28 points 1 month ago

You need a 4 year degree to understand the wall of text in that explanation.

[-] [email protected] 28 points 1 month ago

I was about to say "not really," but then I remembered that I have a couple of those, so yeah, probably.

[-] [email protected] 3 points 1 month ago

Exponents and Logarithms can be first taught in Middle School in many places, but sometimes get revisited during Calculus in AP High School or at University level.

[-] [email protected] 3 points 1 month ago

I really hope you're joking. It's written with high school level vocabulary at most.

[-] [email protected] 21 points 1 month ago

It appears that an individual's heuristic analytical mechanism is engendering a subversion of their affective response system, resulting in epistemic determinations that lack substantiation from the linguistic parameters prevalent within the upper two quartiles of the demographic distribution.

[-] [email protected] 6 points 1 month ago

Thank you, Mr. Data.

[-] [email protected] 5 points 1 month ago

We’ve become exceedingly efficient at it.

[-] [email protected] 3 points 1 month ago
[-] [email protected] 2 points 1 month ago
[-] [email protected] 14 points 1 month ago* (last edited 1 month ago)

Explainexplainxkcd.com when?

[-] [email protected] 2 points 1 month ago
[-] [email protected] 46 points 1 month ago

This one is easy. As we know from words like "photon" and "triumph", "pH" is actually pronounced "f".

[-] [email protected] 2 points 1 month ago

I wanted to make that joke 😟

[-] [email protected] 35 points 1 month ago* (last edited 1 month ago)

They told me at school that ‘p’ meant ‘negative log’. So ‘pH’ means ‘the negative log of the concentration of Hydrogen ions in moles/litre’.

pH 1 is 1 x 10^-1^ (strong acid)

pH 7 is 1 x 10^-7^ (neutral)

pH 14 is 1 x 10^-14^ (alkaline)

(Chemistry was a long time ago, though)

[-] [email protected] 35 points 1 month ago* (last edited 1 month ago)

The xkcd breaks it down for us, basically we don't know because the person who coined the term never specified what it was. It's either: puissance, potens, or potenz. Which means potency in French, ~~Dutch~~ Danish and German, the three languages the scientists published in.

[-] [email protected] 10 points 1 month ago

Dutch and Danish are not the same language. So yeah, the Danish scientist published in Danish, not Dutch.

[-] [email protected] 2 points 1 month ago

Oh shit, my bad lol.

[-] [email protected] 2 points 1 month ago

I was taught it meant 'potential' but that was 6th Grade in the US, so I guess it was all a lie.

[-] [email protected] 2 points 1 month ago

Can the term potency also be used to refer to the exponent in English? Because that is what is meant by the terms in the other languages and I haven't come across that usage of the word potency in English

[-] [email protected] 1 points 1 month ago

I think that's accurate, the exponent is what it's referring to, but the pedantic types are worried about what the p literally means.

[-] [email protected] 2 points 1 month ago

Thank you. I think the decades-old chemistry-class flashback distracted me from thoroughly absorbing the full post!

[-] [email protected] 8 points 1 month ago

You're missing a 4 in the alkaline line

[-] [email protected] 8 points 1 month ago

Thank you (4 now added!)

[-] [email protected] 26 points 1 month ago

Isn't it Potential of Hydrogen?

[-] [email protected] 3 points 1 month ago

That's what I was taught back in 6th Grade.

[-] [email protected] 11 points 1 month ago

For what it's worth, my job is as an analytical chemist, dealing with pH readings every single day, and I've always thought this was correct.

[-] [email protected] 4 points 1 month ago

Are We Smarter Than A 5th Grader?

[-] [email protected] 2 points 1 month ago
[-] [email protected] 1 points 1 month ago

The funny thing is that I intellectually knew that there were plenty of non-English speaking scientists, but that knowledge was never considered.

[-] [email protected] 2 points 1 month ago

Something like that. It's an incredibly weird term.

[-] [email protected] 13 points 1 month ago

I assumed it was rho (ρ) of hydrogen since rho is used for density...

[-] [email protected] 11 points 1 month ago
[-] [email protected] 7 points 1 month ago

It stands for peeps mcgoo

[-] [email protected] 6 points 1 month ago

It stands for "piled".

this post was submitted on 09 Jun 2024
439 points (99.1% liked)

xkcd

8158 readers
194 users here now

A community for a webcomic of romance, sarcasm, math, and language.

founded 1 year ago
MODERATORS