Why Is The Statue Of Liberty Green Chemistry
Camila Farah
This explains why the statue of liberty is green.
This process is known as patination. When france gifted lady liberty to the u s she was a 305 foot statue with reddish brown copper skin. Reduction occurs when an atom that is being oxidized donates electrons to the oxygen atoms. The statue of liberty is coated in a thin layer of copper which has turned green due to reactions with air and water.
Her color change is thanks to about 30 years worth of chemistry in the air of new york city harbor. It s not a simple single reaction between copper and oxygen to produce a green oxide as you might think. Most people know copper reacts with air to form verdigris but the statue of liberty is its own special color because of its unique environmental conditions. The statue of liberty is coated with a slim layer of copper which can be turned into a blue green with age due to chemical reactions between metal and water.
The first reactions involve a concept called reduction in chemistry. But did you know she wasn t always that color. Chemical reactions that make the statue of liberty green. If left exposed to the air again it will quickly react to form the dull greenish copper oxide layer.
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