A U.S. 1-cent coin (a penny) has a diameter of 19 mm and athickness of 1.5 mm. Assume the coin is made of pure copper,whose density and approximate market price are 8.9 g/cm3and $2.40 per pound, respectively. Calculate the value ofthe copper in the coin, assuming its thickness is uniform
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
A U.S. 1-cent coin (a penny) has a diameter of 19 mm and a
thickness of 1.5 mm. Assume the coin is made of pure copper,
whose density and approximate market price are 8.9 g/cm3
and $2.40 per pound, respectively. Calculate the value of
the copper in the coin, assuming its thickness is uniform
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