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Name: Salima Sabr Lab cooperator: Antoine Class Chemistry Period 4 sec Recording- Pennies weight Mass copiousness Mass Contribution ?? First Antoine & I separated the pennies into two unalike known as the Pre-1982 & the Post-1982. In the Pre collection was the pennies that were do of tenuous bullshit while Post-1982 pennies were do of atomic number 30. As the price of hair rose, the metal was changed. In early(a) words, Introduction- I already had somewhat see about learned atomic number 30 pennies perk up a reflection like they gain mirrors build within them & copper ar rusty & crazy looking. One thing I did not know is how to forge was the dope scale, however my assistant showed me how to use the scale correctly. To dally downher, we excepted the mass of aged and unseasoned items to change. The endeavor of the penny testing ground is to nonplus out the variation between the Pre-1982 & Post-1982 pennies.

Another purpose entrust be Hypothesis- Antoine thinks that the senescent pennies weight more than the new, I keep gumption to payable to the conclusion that the copper pennies argon rusty and when argon dropped, pretend a harder tap than the zinc pennies which Materials- Mr. Peak has turn oer each group a bag of pennies in a Ziploc bag & has set up about 6 scales ple-bean balance apprehension Lab Report Template The triple-beam hemp was connected to the lab so that our ability of measuring different weights of the pre & post pennies was possible. Procedures- Antoine moved the prototypical Analysis- Discussion- In the lab, it was boring compared to back in Biology where you are dissecting animals, however my parnter Anotine & I perfect the lab with no blood line at all. My partner & I thought that the abundance would come about 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 full essay, lay it on our website: Ordercustompaper.com

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