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the claim

Mass is conserved in a chemical reaction.

the verdict
SUPPORTED
the evidence backs this
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 mass is conserved in a chemical reaction?

Yes. Multiple chemistry textbooks and a reference article state that mass is conserved in a chemical reaction, with reactant mass equaling product mass. One peer-reviewed article notes that in strict terms a tiny mass change accompanies energy release but is negligible for practical purposes.

Verdict: SUPPORTED · 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
E = mc2 for the Chemist: When Is Mass Conserved?
2005
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E = mc2 for the Chemist: When Is Mass Conserved?. (2005). doi.org. https://doi.org/10.1021/ed082p1636

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More for · 4
Reactions and reason; an introuductory chemistry module
1974
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Gordon, A. (1974). Reactions and reason; an introuductory chemistry module. archive.org. https://archive.org/details/reactionsreasoni0000atki

During class inventions and computer lab activities
2009
Get citation
1941-, A. M. R. (2009). During class inventions and computer lab activities. archive.org. https://archive.org/details/duringclassinven0001abra

Chemistry: An Atoms First Approach
2011
Get citation
Hummel, T. (2011). Chemistry: An Atoms First Approach. archive.org. https://archive.org/details/chemistryatomsfi0000thom

Conservation of mass - Wikipedia
Get citation
Conservation of mass - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Conservation_of_mass

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