substance

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stackexchange-chimie @teaching
14 Occurrences trouvées, Dernière modification :
ackexchange.com/questions/24182/what-is-the-white-substance-left-behind-after-boiling-down-water|What is the white substance left behind after boiling down water]] * [[http... istry.stackexchange.com/questions/4092/why-does-a-substance-with-an-endothermic-heat-of-solution-dissolve|Why does a substance with an endothermic heat of solution dissolve?]]
articles_didactique_chimie @teaching
7 Occurrences trouvées, Dernière modification :
ll You Have Is a Covalent Model of Bonding, Every Substance Is a Molecule: A Longitudinal Study of Student En... .1021/acs.jchemed.9b00966|Property Information in Substance Records in Major Web-Based Chemical Information a... .org/doi/10.1021/ed5007376|The Mole and Amount of Substance in Chemistry and Education: Beyond Official Defin... didactic difficulties in teaching the “amount of substance” concept: a useful model]] Bülent Pekdağ and Nurs
desinformations @teaching
2 Occurrences trouvées, Dernière modification :
honate | Phytoweb]] * [[https://ephy.anses.fr/substance/potassium-phosphonates|220140130 | ephy]] [[http:... iche CosmeticOBS]] * [[https://echa.europa.eu/substance-information/-/substanceinfo/100.076.916|ECHA]] [[