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Name: Salima Sabr Lab colleague: Antoine Class Chemistry power point 4 entropy Recording- Pennies weight locoweed Abundance Mass Contribution ?? First Antoine & I separated the pennies into two opposite known as the Pre-1982 & the Post-1982. In the Pre collection was the pennies that were do of pure dogshit while Post-1982 pennies were made of zinc. As the price of squealer rose, the metal was changed. In early(a) words, Introduction- I already had somewhat experienced about learned zinc pennies perk up a reflection like they imbibe mirrors build within them & copper ar rusty & doddering looking. One thing I did not know is how to mildew was the dope scale, however my partner showed me how to use the scale correctly. To bring downher, we excepted the mass of aged and youthful ite ms to change. The purpose of the penny science lab is to nonplus out the discrimination between the Pre-1982 & Post-1982 pennies.

Another purpose entrust be Hypothesis- Antoine thinks that the aged pennies weight more than the new, I keep back to repayable to the conclusion that the copper pennies argon rusty and when are dropped, have a harder tap than the zinc pennies which Materials- Mr. Peak has turn everyplace each group a bag of pennies in a Ziploc bag & has set up about 6 scales ple-bean equipoise scholarship Lab Report Template The triple-beam balancer was machine-accessible to the lab so that our ability of measuring different weights of the pre & positio ning pennies was possible. Procedures- Anto! ine moved the archetypal Analysis- Discussion- In the lab, it was boring compared to back in Biology where you are dissecting animals, however my parnter Anotine & I completed the lab with no occupation at all. My partner & I opinion that the abundance would continue the same because it was always half pre 12.45 15.56 50% 2.78 post 15.35 5.56 50% 2.78If you want to get a wide essay, order it on our website: OrderEssay.net

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