this post was submitted on 18 Dec 2023
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That's ~21 degrees in non-freedom units from someone who has to do this conversion a lot.
Also, that's pretty normal summer temperature if you are from the Southern hemisphere.
If we are being really pedantic, the freezing and boiling part of first paragraph is only true under sea level atmospheric pressure, so technically, you can't really relate these quantities with the given information in the first paragraph either.
But I don't think that's the point this exerpt is trying to make.
Unless stated otherwise, you always just assume 1atm of pressure.
I like beeing pedantic. Please proceeed.
A calorie is not a metric unit but the joule is, 1 calorie is approximately 4.2 joule. A gram of hydrogen does not exactly have 1 mole of particles. The historical definition for the mole was the count of atoms in 12 grams of the ¹²C carbon isotope, which is slightly different.
The historical definition for a mole is a little underground mammal. Then you science geeks decided to just screw it all up because you couldn't be bothered to make your own word. A molar's a mole tooth, dangert!
A pressure which, funnilly enough, is not in fact 1 bar (as one would expect) in the metric system but rather 1.013 bar.
Now that's a big middle finger.
One oz of water heated 1 degree F is 1 BTU. Boom just as easy
But this is clearly written from the perspective of someone who lives in a climate that used to be solidly below freezing all through the winter months in the northern hemisphere. Now snow seems like a distant memory from childhood.
21°C/70°F is a normal winter temperature where I'm from in the southern hemisphere 🥲
And right now it's summer... let's put it this way, lately it's been over 40°C/104°F for so many weeks in a row that, when temperatures dipped to 33°C/91°F, it felt cold... and to think it's only going to get worse going forward @_@
I'm in Utah and we get up to around 106 to 107 on some days in mid-Summer. But we also go down as slow as 0 degrees sometimes in winter. I would rather live in a state where temps are in the warmer register most days of the year.