How Does Double Acting Baking Powder... Doubly Act?

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Why does baking powder say “double acting” on the container? Is that better than single acting? This week on Reactions, we explain -- with chemistry!

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Credits:
Producer: Elaine Seward
Writer: George Zaidan
Scientific Consultants: Michelle Boucher, PhD
Executive Producer: George Zaidan
Fact Checker: Alison Le


Music:
Backbay Lounge

Sources:
https://pubs.acs.org/doi/pdf/10.1021/ed064p710
https://ws680.nist.gov/publication/get_pdf.cfm?pub_id=50449
https://montrealgazette.com/technology/science/the-right-chemistry-why-might-baking-power-contain-aluminum-or-gmos
https://pubchem.ncbi.nlm.nih.gov/compound/Disodium_diphosphate#section=Top
https://pubchem.ncbi.nlm.nih.gov/compound/24454#section=Synonyms
https://www.amazon.com/365-Everyday-Value-Baking-Powder/dp/B074MGT98T/ref=zg_bs_16317381_2?_encoding=UTF8&psc=1&refRID=R5XV08FEQT3MN586DCTH
https://www.amazon.com/Double-Acting-Aluminum-Baking-Powder/dp/B00N9TX628/ref=zg_bs_16317381_3?_encoding=UTF8&refRID=R5XV08FEQT3MN586DCTH&th=1
https://www.amazon.com/Rumford-Baking-Powder-Gluten-Aluminium/dp/B0094ENXU2/ref=zg_bs_16317381_6?_encoding=UTF8&psc=1&refRID=R5XV08FEQT3MN586DCTH
https://www.amazon.com/Bobs-Red-Mill-Baking-Powder/dp/B000WGELMA/ref=zg_bs_16317381_9?_encoding=UTF8&psc=1&refRID=R5XV08FEQT3MN586DCTH

Ever wonder why dogs sniff each others' butts? Or how Adderall works? Or whether it's OK to pee in the pool? We've got you covered: Reactions a web series about the chemistry that surrounds you every day.

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