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the claim
The ideal gas law is accurate at high pressures.
the verdict
CONTESTED PARTIAL
Recorded sources
1 source for · 3 against
Is it true that the ideal gas law is accurate at high pressures?
Partly. Several sources indicate the ideal gas law is less accurate than real-gas models at high pressures, while one source notes some gas mixtures remain nearly ideal at high pressures. The evidence covers only specific systems and conditions, not the general claim.
Verdict: CONTESTED PARTIAL · 1 source for, 3 against · Last checked
Evidence for · 1
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Souza, G. A. S. d. & Reis, M. C. (2026). Why do high-temperature gas mixtures exhibit nearly ideal behavior even at high pressures? A statistical-mechanical perspective on the Haber–Bosch process. doi.org. https://doi.org/10.1007/s40828-026-00229-7
Evidence against · 3
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Real Gas Effects in High-Pressure Engine Environment. (2010). doi.org. https://doi.org/10.4271/2010-01-0627
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More against · 2
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Accurate Two-Parameter Equation of State for Hydrogen. (2026). doi.org. https://doi.org/10.3390/hydrogen7020075
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Methanol: association behaviour, third-law entropy analysis and determination of the enthalpy of formation. (2021). doi.org. https://doi.org/10.1016/j.fluid.2020.112851
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held for human review18 Oct 2026
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