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Tag Archives: Copper

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Copper & Aluminum in Water Lab Answers

ChemistryBy Schoolworkhelper Editorial TeamMay 25, 2014Leave a comment

Purpose: The purpose of the lab was to dissolve Copper salt in water with an excess of Aluminum. The mass of the Copper formed was to be determined and the percentage yield was to be calculated. Related theory A chemical reaction is the change of substance into a new one that has a different chemical…

Copper Penny to Silver Lab Answers

Chemistry, ScienceBy Schoolworkhelper Editorial TeamApril 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…

Nickel and Copper: Chemical & Physical Properties

ChemistryBy Schoolworkhelper Editorial TeamMay 18, 20121 Comment

Copper is derived from the Latin word cuprum, which means “from the island of Cyprus”.  Copper has been put to use for at least 11,000 years according to archaeologists. Ancient people found copper in “nuggets and masses on the surface of the Earth, adjacent to streams, in the walls of canyons” (Lugaski, 1997, n.p.).  Throughout…

Copper: Uses, Industry, Extraction

ChemistryBy Schoolworkhelper Editorial TeamJune 3, 2011Leave a comment

Copper is a mineral. It is not a plant or an animal. Copper is a metallic metal. It can never be broken down into different substances by normal chemical means. Copper was one of the first metals known to humans. People liked it because in its native condition, it could easily be beaten into weapons…

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