If you are hoping to increase its value don't do it. If it is a regular coin put it in soapy water and clean it.
i think the tarnish will come of the tarnish penny
wash it in silver water! You could polish it.
The juice's acidity reacts with the copper in the penny, causing it to corrode and form a greenish-blue patina. This is due to the chemical reaction between the acids in the juice and the copper in the penny.
Wash your face with soap and water in the morning and at night. Depending on what you have wash with makeup remover at night as well. YOu can get free samples sometimes. Most importantly sunscreen! don't burn your skin!
Put pennies in a beaker simmering of NaOH (Sodium Hydroxide) with a Zn (Zinc) Powder. Let sit for a few minutes. Take out, they will be silver. Wash pennies. Lower the heat and set them on the heat source. They will turn into a "golden" penny. Not worth more than a cent.
The singular possessive of penny is penny's, as in "penny's worth".
No, "A penny saved is a penny earned".
the volume of a cylinder. V=pi*r2*h. Volume equals pi times the radius of the penny squared times the heighth. now if you want to get into the really serious micrometric volume taking into account all the valleys and ridges of the surface details on the obverse and reverse faces, well then GOOD LUCK and I will stay as far away from that nightmare of weeks and months of measurements as I can possibly get.
Penny's last name from Penny from Heaven, Falucci
move the penny on the far right over to the other side on the left and then move the 1st nickel over to the right...hence penny penny penny nickel nickel
Penny from which country?
zinc is 97.5% of the penny and copper is 2.5% of the penny