Diatomic ideal Gas

  • Thread starter Abigale
  • Start date
  • #1
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Hi,
I try to understand a cycle process with an diatomic ideal Gas.

Question:
Is it possiblie to use the ideal gas law:

[itex]pv=NkT[/itex]

for the diatomic gas?

I thought it is just for monoatomic.

Thx
Abby :redface:
 

Answers and Replies

  • #2
DrClaude
Mentor
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Is it possiblie to use the ideal gas law:

[itex]pv=NkT[/itex]

for the diatomic gas?
Yes, an ideal gas need not be monatomic.
 
  • #3
Philip Wood
Gold Member
1,221
78
DrClaude is right, of course. Almost all the molecules (O2 and N2) in air are diatomic, and at very low densities air obeys pV = nRT more and more closely.
 
Last edited:

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