Bossier Parish Community College The International Prototype of Kilogram Paper

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Bossier Parish Community College

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Hi! I am already done answering the questions. I have based my answers solely on the article, if that is okay with you. The paper is only one page however, I made sure that all the questions were answered. If you want me to make some revisions or add up on the answers, please let me know and I'll be glad to do it. Thank you!

Why these two units (kilogram and mole) were revised? Be specific
Prior to 2019, a physical object called the International Prototype of
Kilogram (IPK) defined the kilogram and overtime, there were discrepancies in tens
of micrograms seen with the primary standard and copies around different
countries. Hence, during the 26th General Conference of Weights and Measures, it
was agreed upon that the IPK should be replaced in defining a kilogram and instead,
use a value that would be constant and that was possible with the help of the Kibble
balance (also known as watt balance) when the Planck constant h, which has a fixed
numerical value of 6.62607015 x 10-34 Js, w...


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