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However, the surface oxide layer is not very thick, so in practical terms the difference is going to be small (and since the total mass of a current US penny is 2.5 grams and only 2.5% of that is copper, even if every bit of copper were totally oxidized we're talking about a mass difference of well under 1%).
Wiki User
∙ 9y ago
Wiki User
∙ 11y agoYes, since oxygen from the air combines with the copper on the penny's surface, the mass of the oxygen is added to the mass of the original penny.
2 Cu + O2 → 2 CuO
According to the equation above, 1 mole of copper reacts with 1 mole of oxygen to produce 2 moles of copper II oxide.
Mass of 2 moles of Cu = 2 * 63.5 = 127 grams
Mass of 1 mole of O2 = 32 grams
Mass of 2 moles of CuO = 2 * (63.5 + 16) = 159 grams
This means 127 grams of copper reacts with 32 grams of oxygen to produce 159 grams of copper II oxide.
Wiki User
∙ 14y agoConvert copper molecules into copper oxide molecules (copper and oxygen).
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What instrument would be best to determine how different oxidation states affect the mass of a carbon based compound?
a balance
What happens to an anode in an electrochemical cell?
it loses mass
How do Oxidation agents affect the natural and artificial color pigment?
oxidation of the artificial colour
Why doesn't the penny get clean with water?
Water doesn't react with the oxidation on the coin.
The formula mass of neon is equal to its?
Oxidation number
How does the height affect the ammount a penny can hold?
The height can affect the amount a penny can hold. The shorter it is the less it can hold.
Why does cold temp affect oxidation?
because of science
Is Mass wasting severe farm land erosion?
oxidation
Does oxidation affect pH levels?
The term oxidation refers to a very wide range of possible chemical reactions, which have varying effects, but yes, they would be likely to affect pH.
What is the Mass of a 1984 penny?
The mass of a 1984 cent is 2.5 grams.
How many pennies make 500 grams?
The answer will depend on the currency in question. the mass of a UK penny is not the same as a US cent (penny), or those of other countries.The answer will depend on the currency in question. the mass of a UK penny is not the same as a US cent (penny), or those of other countries.The answer will depend on the currency in question. the mass of a UK penny is not the same as a US cent (penny), or those of other countries.The answer will depend on the currency in question. the mass of a UK penny is not the same as a US cent (penny), or those of other countries.
What is the mass of an American penny?
about .4 grams
