| 11. | In an ideal gas the particles are assumed to interact only through collisions.
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| 12. | An idealized thermometer is a sample of an ideal gas at constant pressure.
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| 13. | The ideal gas thermometer is, however, not theoretically perfect for thermodynamics.
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| 14. | The ideal gas scale is in some sense a " mixed " scale.
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| 15. | The concept was linked to the ideal gas, according to Ostwald.
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| 16. | Certainly the mixture of these substances does not act like an ideal gas.
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| 17. | The same effect happens in an isothermal atmosphere with the ideal gas assumption.
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| 18. | So, the molar entropy of an ideal gas is given by
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| 19. | The ideal gas law must be corrected when attractive and repulsive forces are considered.
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| 20. | Rearranging the standard ideal gas equation with these variables gives:
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