Chemistry, 09.04.2021 07:40, brooklyn674
Air-activated hand warmers consist of an iron powder contained in a porous pouch. When the pouch is removed from its air-tight packaging, oxygen from the air enters the pouch and reacts with the iron to produce iron(III) oxide. Construct an explanation for why the pouch gets hot based on changes in total bond energy.
Answers: 1
Chemistry, 21.06.2019 20:30, ksalinas7404
Un cierto gas tiene un volumen de 800ml a 80°c y 600ml a 80°c y 600mmhg de presiĂłn. Âżcual serĂĄ el volumen del gas a condiciones normales? sĂ el gas es oxĂgeno, ÂżcuĂĄl serĂĄ su peso? y ÂżcuĂĄntas molĂ©culas estĂĄn presentes en el sistema?
Answers: 2
Chemistry, 22.06.2019 10:30, shaylawaldo11
Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
Answers: 3
Chemistry, 22.06.2019 13:50, aesthetickait
How does the motion of particles in a gas change as the gas cools
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Air-activated hand warmers consist of an iron powder contained in a porous pouch. When the pouch is...
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