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Tag Archives: Penny

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Isotopes of Pennium Lab: Explained & Answers

ScienceBy William Anderson (Schoolworkhelper Editorial Team)October 19, 2023Leave a comment

Introduction: Unless you’re a coin collector, you probably think all United States pennies are pretty much the same. To the casual observer, all the pennies in circulation do seem to be identical in size, thickness, and composition. But just as elements have one or more isotopes with different masses, the pennies in circulation have different…

Copper Penny to Silver Lab Answers

ScienceBy William Anderson (Schoolworkhelper Editorial Team)April 14, 2013Leave a comment

Purpose: Find silver produced and compare to predicted. Cu + 2AgNo3 → Cu(NO3)2 + 2Ag   Procedure: -in small beaker (100-250 mL), weigh beaker -Add 3.00 OR LESS of AgNo3, weigh AgNo3 -Weigh copper penny -Add 80 mL H2O -Heat and dissolve (warm, not boil) -Put copper penny into AgNo3(aq) –observe -Allow to sit overnight…

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