LukeTriton

 

Your recent article submission to Articles for Creation has been reviewed! Unfortunately, it has not been accepted at this time. The reason left by StarryGrandma was:

This needs a reference more recent than 1750 that is not a web page with an unknown author. Also the only statements of the law I have found do not include specific heat. Specific heat was as yet unknown in 1750; not until 1762-64 did Joseph Black explore it. Reference requirements on the English Wikipedia may be stricter than the German.

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StarryGrandma (talk) 23:50, 13 March 2022 (UTC)Reply

Hello, LukeTriton! Having an article declined at Articles for Creation can be disappointing. If you are wondering why your article submission was declined, please post a question at the Articles for creation help desk. If you have any other questions about your editing experience, we'd love to help you at the Teahouse, a friendly space on Wikipedia where experienced editors lend a hand to help new editors like yourself! See you there! StarryGrandma (talk) 23:50, 13 March 2022 (UTC)Reply

Hi Luke. References that show Richmann's law with specific heats don't have to be in English. It may be a more common term in German. StarryGrandma (talk) 23:52, 13 March 2022 (UTC)Reply

Hi StarryGrandma. Ive looked for sources in german, I hope its okay if I just put them here:

The law is named after him, even if he didn't formulate it with specific heat.

This book shows the first formula he stated:

https://www.google.de/books/edition/Das_Experiment_in_der_Physik/vNLPBgAAQBAJ?hl=de&gbpv=1&dq=richmannsche+mischungsregel&pg=PA59&printsec=frontcover

So you're completely right, this should be explained in the article

Just for conformation that despite all that the described law (with specific heat) is called Richmann's Law

https://www.lernhelfer.de/schuelerlexikon/physik-abitur/artikel/waermeaustausch-zwischen-koerpern# (This source is created by Duden, the most established Dictionary in germany)

It states the Law itself.

https://www.lernhelfer.de/schuelerlexikon/physik-abitur/artikel/georg-wilhelm-richmann (Still Duden)

It states: "He became known above all for establishing a law with which one can calculate the mixing temperature of two bodies. With this he had found the first general equation for calorimetric calculations. This law was later named the Richmann rule of mixtures in his honor."

Same is stated in this Book

https://www.google.de/books/edition/Poethen_Schlüter/fGXU6_Wqg60C?hl=de&gbpv=1&dq=richmannsche+mischungsregel&pg=PA367&printsec=frontcover

I will fix the German Article accordingly in the following days, Id really appreciate, if you could fix the English version. Otherwise I will just submit a new translation, when im finished with the German article. Kind Regards LukeTriton (talk) 23:43, 15 March 2022 (UTC)Reply

I decided to auto-translate parts of the Book for you, because its protected from Textdetection:

Do get m1 gram of water of temperature t1 with m2 gram of water

mixed at the temperature t2, after proper stirring the

Heat substance evenly to the (m1 + m2) gram and becomes a

mixing temperature tmi lying between the starting temperatures:

m1t1 = (m1 + m2) tmi

and from this: tmi = (m1t1 + m2t2) / (m1 + m2).

This was confirmed by measurements by the Swedish physicist Georg Wilhelm

Richmann (1750), professor at the Imperial Academy in Petersburg, she

is therefore called Richmann's rule of mixtures.

[...]

If we follow his approach with the concept of specific heat,

like you learn it in elementary school today. With the designations

m, t and e for mass, temperature and specific heat, t2 for the upper one

temperature, t for the cold temperature and tmi for the mixing temperature, den

indices m for metal and w for water and the assumption that cold water

The heat absorbed is equal to the heat given off by the metal

amount, the result is:

mm * cm (t2 - tmi) = mw * cw (tmi-t1).

Because Mm = Mw: Cm

= Cw (tmi - t1)/(t2 - tmi).

In any case, Wilke is the first to discover the "peculiar" warmth,

the subsequent specific heat capacities or specific heats,

and provided a method for determining them. Characteristic for his me-

method is that mw = mm had to be, hence the simple formulas. Whether Wilke

also found the phenomenon of the heat of fusion independently, is insofar

knows when he told an acquaintance that he had something about trying one

Heard of Scots, but neither read about it in the literature nor through

ask to find out more. That Scot was Joseph Black, his

Works were not printed until after his death.

Joseph Black (1728--1799), MD, from 1756--1766 Professor of

Anatomy and Chemistry at Glasgow University, then Professor of Chemistry

in Edinburgh, is the first discoverer of what he called "latent heat"*

called. LukeTriton (talk) 00:01, 16 March 2022 (UTC)Reply

I have also found sources, by using the translation of the German article's name. In English it is commonly known as "Richmann's mixing rule" or "Richmann's rule of mixture" or "Richmann's law of mixtures" and there are references. Richmann's version is the one without specific heats, but the rule was expanded by Black. That relation is also used to determine the specific heat of a substance relative to water. See:

1. William Francis Magie (1905). Syllabus of a Course of Lectures on Physics. Princeton Press. pp. 148–151. OCLC 17986029.
2. J. L. Heilbron (2022). Elements of Early Modern Physics. Univ of California Press. pp. 76–79. ISBN 978-0-520-35665-8.

StarryGrandma (talk) 00:54, 16 March 2022 (UTC)Reply

Thanks @StarryGrandma, I fixed the German article please hit me up if I should resubmit it in AfC. Thanks for your help. LukeTriton (talk) 11:27, 16 March 2022 (UTC)Reply

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