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Chemistry and Core Science Classes Celebrate Mole Day

posted Dec 4, 2012, 10:09 AM by Patrick Sullivan
        


On Monday, October 23rd, Serra Catholic's Chemistry and Core Science classes celebrated a national holiday, as far as chemists are concerned. This national holiday is called Mole Day and is celebrated from 6:02 a.m. to 6:02 p.m. on October 23rd. The reason why this day is celebrated is thanks to  Amadeo Avogadro, who discovered the SI unit of the mole. The mole is a number used in chemistry as often as the word dozen is used in our everyday lives. One dozen means 12 just like 1 mole = 6.022 x 10^23. 

The mole is just an SI unit for the amount of a substance. 1 mole = molar mass in grams of an element or compound. For example, 1 mole of water is equal to 18 grams (2 x 1 + 16). 1 mole of a gas at STP (standardized temperature and pressure) is equal to 22.4 L. Or 1 mole is equal 6.022 x 10^23 atoms of a substance.

This day was a great way of introducing some of the students to the mole and how wonderful it is to chemistry. During this day, students made "mole-biles" that we hung from the ceiling. They were all made to represent a "mole" character such as Pola-mole-u. We also had some great "mole-food" that the students brought in like dirt and car-mole apples. Students got "mole-dollars" for bringing in their "mole-biles" and "mole-food". Lastly, the students got to sit back and relax to some mole day songs and a little bit of pin the tail on the mole.


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