The early history of chemistry has many interesting stories. Just consider the problems scientists had 200 years ago as they tried to figure out some of the most basic ideas of chemistry. It was clear ...
There is a common misconception among educators, and even some metrologists, that the Avogadro constant _N_~A~ is (or should be) a pure number, and not a constant of dimension *N*^–1^ (where *N* is ...
This video is about the mole, the unit of measurement for the number of particles in a substance. The mole is the unit for amount of substance. The number of particles in a substance can be found ...
October 23 is marked as Mole Day to commemorate Avogadro's Number 6.02 x 10²³ which is a basic measuring unit in chemistry. Mole Day was created as a way to foster interest in chemistry. Schools ...
October 23rd marks Mole Day in the United States. Chemistry classes and chemistry enthusiasts celebrate this unofficial holiday with activities, cakes and jokes galore. Here’s what you need to know. A ...
It’s October 23, or Mole Day for chemistry enthusiasts. From 6:02 a.m. to 6:02 p.m. students and teachers celebrate their love of chemistry with Avogadro’s number — 6.02 x 10^23, a unit of measurement ...
Today is Oct. 23, which in the U.S. is written as 10/23. That means it’s Mole Day! For the nongeeky, nonsciencey types out there, a mole is a number used in chemistry quite a bit. It’s used to ...
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