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How is the oxidation process of a penny and a silver spoon the same and different?
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Who introduced the chemical process equipment?
Chemical Process Equipment is a professional book by Couper, Penny and Fair PHD. It was released in September 2012. It is for engineers to design and maintain chemical process.
How can you get the green stuff off a penny?
It's a form of oxidation, somewhat similar to rust on iron-based metals. Copper oxide is greenish in color and is often called "patina". Another example is the Statue of Liberty. It's copper underneath, but a century and a quarter of oxidation have turned it green.
Can you turn a silver penny into gold?
You put zinc and sodium hydroxide in to a beaker over a really hot hot plate. Pick it up with tongs after 3 minutes. Rinse it of in water then hold it over a fire then rinse it of again in water and it should be gold.
Why garlic in vinegar turns to green?
I turned white vinegar green by putting a 1969 penny in it for two weeks in the refrigerator. It turned green because of the copper in the penny reacting with the vinegar in a process called oxidization. The green was the copper oxide formed when the copper in the penny oxidized in the vinegar.
How can a green penny turn green?
Pennies are made, or at least coated, with Copper and that copper can oxidize and turn green. Newer pennies have an alloy metal that is supposed to reduce this chemical action.
What the different between a penny and dollar?
Penny has a silver metal around it and the dollar has only yellow
Why did the penny turn a silver color?
The penny turned silver color due to a process called oxidization. Over time, the copper in the penny reacts with oxygen in the air to form copper oxide, which appears silver in color.
Is 1817 penny silver?
No, there is no silver in a 1817 US penny.
How much is a silver penny worth from 1962?
US pennies have never been made of silver.
What is a 1960 silver U.S. penny worth?
There is no such thing as a U.S. silver penny.
What is the value of a uk silver one penny dated 1994?
No such thing as a 94 silver penny.
What is the value of a silver 1903 Indian head penny?
There was never a silver Indian Head penny.
Why did the penny turn silver after a few minutes in the hot solution?
It's not silver. It's a 1943 steel penny.
Why doesn't the penny get clean with water?
Water doesn't react with the oxidation on the coin.
How much is a 2000 silver penny worth?
The U.S. has never made one cent (penny's) coins from silver. The coin has likely been silver plated. It is not rare or special, it's just a penny.
What is a silver penny dated 1993 worth?
U.S. pennies have never contained silver. Your penny is probably silver plated for jewelry or other decorations.
Silver penny from 1943 that sticks to a magnet?
They were steel, not silver.
