Gases - Nonideal or "imperfect" gases
3 important questions on Gases - Nonideal or "imperfect" gases
What properties account for the non ideal behaviour of gases at moderate temperature and pressure?
- Gas molecules occupy a finite space.
- They do not behave like point particles.
- There are some interactions between molecules, for example the van der Waals forces.
- They do not behave like point particles.
- There are some interactions between molecules, for example the van der Waals forces.
How is the non ideality of gas molecules expressed in the chemical potential?
With the correction factor fugacity f.
For a single component:
For a single component:
What happens with the fugacity when the gases behave as ideal? And with what boundary conditions does this happen?
When the gas goes to an infinitly low density and pressure.
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