Question - Mass, Density and Volume
I need some info. A single atom of Carbon has a Mass, Density and Volume at room temperature. How do these change when that Atom is moved to a temperature of -253c. Example; If the Mass, Density and Volume were each arbitrarily given the value of 1 at room temperature - what {if any} would be the % of change when that Atom is moved to -253c?
Replies
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Ramani AswathA single atom does not have a density as defined for bulk matter.
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Lance Michael FarrarWhat about Volume?
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Lance Michael FarrarDoes it have Volume and if so does that change?
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Ramani AswathThis may help:
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Lance Michael FarrarThank you.
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Lance Michael Farrar
Thank you. I didn't see a reference to temperature in the equations. Does that mean that an atom of Carbon has the exact same volume at -253c as it does at room temperature? The reason for asking is that if the volume is lower at -253c then more of them can be held in a smaller space. If they can be contained within that space and brought up to room temperature then the product would have a higher density. Thanks again, LanceA.V.RamaniThis may help:
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Ramani AswathThe volumetric coefficient of thermal expansion for diamond is about 0.000003 which means that at -253degC it will contract to (1 - 0.000760) times the volume at 0 degC.
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Lance Michael FarrarIt sounds like the volume of a single Carbon atom at room temperature is the same whether it is in the form of a lump of coal or in a Diamond. and it is also the same at -253c.
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Lance Michael FarrarThe volume of a single carbon atom is the same whether it is in a Diamond or piece of coal?
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Ramani AswathCoal is a mix of various things, not just carbon.
This gives specific info on the various carbon allotropes:
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Lance Michael FarrarThank you for your input.
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