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How can a green penny turn green?
A green penny can turn green when exposed to the elements, like oxygen and moisture, causing a chemical reaction with the copper in the penny. This reaction forms copper oxide, which is the green coating that gives the penny its green color.
How does a penny turn green?
Copper turns green because of sulfur pollution in the air, forming copper sulfide.
Why do penny turn green?
The pennies turn green because they are open to the air, because they contain copper, and because copper turns green when oxidized.
What liquids make a penny green?
A penny can turn green when exposed to acidic liquids like lemon juice or vinegar, which cause a chemical reaction with the copper in the penny to create a greenish patina. Saltwater can also cause a copper penny to turn green over time due to oxidation.
Why does a penny turn green in water?
A penny turns green in water due to a chemical reaction between the copper in the penny and the oxygen in the water. This reaction forms a layer of copper oxide on the surface of the penny, giving it a greenish tint.
How fast will a penny turn green?
A penny can turn green due to the oxidation process when exposed to air and moisture. The speed of this process can vary depending on the conditions it is exposed to, such as humidity level and presence of other chemicals. In general, it can take several weeks to several months for a penny to turn green.
If the green color of the copper coating that covers the statue of liberty is different from the color of a typical copper penny what caused the statue of liberty copper coating to turn green?
Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies. Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies. Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies. Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies.
What makes a penny turn green?
The copper metal oxidizes from exposure to air and moisture, forming a coating of copper carbonate.It an also help crops
Is a copper penny turning green a chemical change?
You can also turn pennies and some other coins green by letting them sit overnight in a paper towel soaked in vinegar. and if you want to clan pennies to shine, put them in a cup of vinegar and salt dissolved. (I once tried cleaning them with a pinch of kosher salt instead and it dug a hole through the penny! -NOT RECOMENDED!!!)
How can you turn copper green?
leave it water for about a week or longer, how long it takes depends on size, i would personally start with a penny.
What is the name of the process that turns a penny green?
That green stuff that shows up on copper is called verdigris, and is also known as patina. In addition to making your penny green, it's also what makes the copper Statue of Liberty look green!The process by which verdigris is made is called oxidation. Most of the time, when copper oxidizes, it turns dark brown, like most pennies you see. When saltwater is added (like in somebody's sweaty pocket) the copper turns green instead.
What makes pennies turn green?
Oxygen reacts with the copper in the penny, the copper oxidizes and it turns green. The Statue of liberty is made of copper. Over the century, it reacted with oxygen and turned green. This is a chemical change.
