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the claim

Helium is heavier than air.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 3 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that helium is heavier than air?

No. Multiple sources describe helium as a light gas whose density differs from air, and one study explicitly calls helium the light primary gas alongside heavier secondary gases. This contradicts the claim that helium is heavier than air.

Verdict: REFUTED · 0 sources for, 3 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 3
Helium
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Helium. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Helium

See more details
More against · 2
Helium-filled soap bubbles for vortex core velocimetry
2017
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Helium-filled soap bubbles for vortex core velocimetry. (2017). doi.org. https://doi.org/10.1007/s00348-017-2415-x

Compelling Heat Transfer Augmentation of Laminar Natural Convection from Vertical Plates to Binary Gas Mixtures Formed with Light Helium and Selected Heavier Gases
2023
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Compelling Heat Transfer Augmentation of Laminar Natural Convection from Vertical Plates to Binary Gas Mixtures Formed with Light Helium and Selected Heavier Gases. (2023). doi.org. https://doi.org/10.37394/232012.2023.18.4

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