February 24, 2017

Homework Help: Chemistry

Posted by Boriqualissa on Monday, October 15, 2007 at 11:52pm.

Before 1982 U.S pennies were made of solid copper. As the price of copper rose,the U.S mint switched to a composition that is 97.5% zinc and 2.5% copper. A penny minted after 1982 is 19 mm in diameter and 1.6 mm thick.
What is the volume of a penny in mL?

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