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The surface of the copper on the pennies are most likely cleaned, because vinegar is too weak of an acid to do anything else. If you were to put a scratched penny into hydrochloric acid would be a different story. The inside zinc of a post 1982 penny would react with the chlorine in the hydrochloric acid and change to an aqueous state, leaving behind the copper plating.
So if you want an answer based on vinegar : nothing besides the penny getting its surface cleaned.
What else can I help you with?
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!!!)
What will happen to aluminum foil if soaked on Cupric Chloride?
If aluminum foil is soaked in cupric chloride, it will undergo a redox reaction where the aluminum will act as a reducing agent and the cupric chloride as an oxidizing agent. This will result in the dissolution of aluminum and the formation of copper metal on the surface of the foil.
What happens when iodine is added on soaked seeds?
When iodine is added to soaked seeds, it can be used to test for the presence of starch in the seeds. If the seeds contain starch, the iodine will change color from brownish-yellow to blue-black. This color change indicates the presence of starch in the seeds.
What happens to rain that is not soaked up by soil?
Rain that is not soaked up by soil can run off the ground and flow into rivers, lakes, and oceans. This runoff can carry contaminants from the ground, such as pollutants or pesticides, which can have a negative impact on water quality and aquatic ecosystems. Additionally, excessive runoff can lead to flooding in low-lying areas.
When water is soaked into the ground it is called?
mud
Do all pennies regain their luster?
They are copper and if soaked in vinegar the tarnish will come off and they will shine again.
Why do pennies get shiny after being soaked in vinegar?
Because the chemicals in a penny react with the vinegar
What happens to a boiled egg after being soaked in alcohol?
Not much, but if you soak it in vinegar the shell will dissolve!
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!!!)
What reaction happens when an egg is soaked in vinegar?
When an egg is soaked in vinegar, a chemical reaction occurs where the acid in the vinegar reacts with the calcium carbonate in the eggshell. This reaction dissolves the eggshell, leaving only the semi-permeable membrane around the egg intact.
What is to preserve by soaking in vinegar or brine?
Foods soaked in vinegar are pickled, and soaked in salt are salt-cured. Both are means of preserving food. <><><> It is called "pickling"
How long should meat be soaked in vinegar for optimal flavor enhancement?
Meat can be soaked in vinegar for about 30 minutes to 2 hours for optimal flavor enhancement.
Are bones bendable?
They are not bendable unless soaked in vinegar.
How long should fruit be soaked in vinegar for optimal flavor infusion?
Fruit should be soaked in vinegar for at least 30 minutes to achieve optimal flavor infusion.
Does an egg last longer soaked in vinegar or water?
water
Why doesn't the membranenof an egg get dissolved when soaked in vinegar?
Because when it is soaked in vinegar,the shell is making direct contact with the vinegar;the shell is made from carbonate and will be dissolved by the acid in the vinegar, whereas, the membrane is protein so it takes a lot longer to be affected by the vinegar. The reaction is different so the membrane appears not to be affected.
What happens when an egg is soaked in Gatorade?
If you put the egg in vinegar then put it into Gatorade then the egg looks defalated, red, and very sticky.
