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When 12 copper pennies are submerged in water the pennies displace 4.13 cm3 of water If the combined mass of the pennies is 36.93 g what is the density of copper?
The density of copper is 8.94 g/cm3. This can be calculated by dividing the total mass of the pennies (36.93 g) by the total volume they displace (4.13 cm3). This gives the density of copper as 8.94 g/cm3.
How much does 38000 copper pennies weigh?
38000 copper pennies would weigh approximately 94.7 kilograms or 209 pounds.
Why isn't silver used in a penny?
Silver is not used in pennies due to its higher cost compared to other metals like copper and zinc. In the past, pennies were made of mostly copper, but today's pennies are mainly composed of zinc with a thin copper coating. Using silver would make the production of pennies more expensive and would not be cost-effective.
Do new pennies still have copper in them?
pennies these days are not completely made of copper they are just dipped in copper giving them that finished look
What is the penny made of TODAY?
US "pennies" (cents) are made of 97.5% zinc plated with 2.5% copper Canadian and European cents as well as British pennies are made of copper-plated steel.
What material is use to make pennies?
copper. That is why they call them copper pennies. There is also a zinc coating on the pennies be more specific dude
Whats the use of copper?
It can be used for pennies, copper wire and many other uses
Can you use copper pennies in an aquarium and not harm the fish?
No. The copper pennies will slowly release copper into the water, which will kill most small fish. Avoid having any metal in your aquarium.
What are pennies made of today?
Pennies in the United States are currently made of a copper-plated zinc composition, consisting of 97.5% zinc and 2.5% copper. This composition has been in use since 1982 as a more cost-effective alternative to the previous solid copper pennies.
Does a penny have gold?
No, pennies do not contain gold. Modern pennies are mostly zinc with a little copper, older pennies are mostly copper with a little zinc.
What is the importance of copper?
copper is important because it makes pennies and pennies are good
How many copper pennies equal a pound?
240 copper pennies equal a pound.
What is use of coppers?
It can be used for pennies, copper wire and many other uses
When 12 copper pennies are submerged in water the pennies displace 4.13 cm3 of water If the combined mass of the pennies is 36.93 g what is the density of copper?
The density of copper is 8.94 g/cm3. This can be calculated by dividing the total mass of the pennies (36.93 g) by the total volume they displace (4.13 cm3). This gives the density of copper as 8.94 g/cm3.
What are you S Pennies made of?
Pennies today are made of 97.5% zinc and 2.5% copper.
Are there any 1943 copper pennies still out there?
yes I have 1 1943 copper pennies, but if you find one make sure it is not a 1948 with the 8 cut down and yes its a copper pennies
What did they use to make pennies back in the 1950?
In the 1950s, pennies in the United States were primarily made of copper, consisting of 95% copper and 5% tin and zinc. This composition remained until 1982, when the penny's formulation was changed due to rising copper prices, leading to the introduction of a zinc core with a thin copper plating. The use of copper in pennies during the 1950s made them heavier and more valuable in terms of metal content compared to later versions.
