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the claim

Dry ice keeps items colder than ordinary ice because it sublimates at minus 78.5 degrees Celsius.

the verdict
INSUFFICIENT LEANING
Recorded sources
5 sources for · 0 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 dry ice keeps items colder than ordinary ice because it sublimates at minus 78.5 degrees Celsius?

Unclear. Several sources place dry ice among ultra-cold coolants used to keep items frozen, and one treats it as interchangeable with liquid nitrogen, but none states its sublimation temperature of minus 78.5 degrees Celsius or directly compares its coldness with ordinary ice.

Verdict: PARTIAL LEAN · 5 sources for, 0 against · Last checked

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

Evidence for · 5
Dry ice - Wikipedia
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Dry ice - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Dry_ice

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More for · 4
Simple Cloud Chambers Using Gel Ice Packs
2012
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Masahiro, K. & Miki, K. (2012). Simple Cloud Chambers Using Gel Ice Packs. eric.ed.gov. https://doi.org/10.1088/0031-9120/47/4/429

Freezers, Dry Ice and Phase-Change Materials for Cold Chain Equipment in Ultra Low Temperature Logistics
2021
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Carolina, S. A. (2021). Freezers, Dry Ice and Phase-Change Materials for Cold Chain Equipment in Ultra Low Temperature Logistics. zenodo.org. https://doi.org/10.5281/zenodo.5503864

Small-Scale Production of High-Density Dry Ice: A Variant Combination of Two Classic Demonstrations
2009
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A., F. P. (2009). Small-Scale Production of High-Density Dry Ice: A Variant Combination of Two Classic Demonstrations. eric.ed.gov. https://eric.ed.gov/?id=EJ832497

Dry Ice Investigations for Grades 6-8. LHS GEMS Teacher's Guide.
1999
Get citation
Jacqueline, B., Kevin, B., & Lincoln, B. (1999). Dry Ice Investigations for Grades 6-8. LHS GEMS Teacher's Guide.. eric.ed.gov. https://eric.ed.gov/?id=ED436413

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