Chemistry, 19.09.2021 23:00 babygreg2001p97abr
Is the yellowing of the pages of an old book a physical or chemical change? please explain
Answers: 3
Chemistry, 22.06.2019 17:00
The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.
Answers: 1
Chemistry, 22.06.2019 19:10
Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.
Answers: 3
Is the yellowing of the pages of an old book a physical or chemical change? please explain...
History, 19.11.2021 17:20
Mathematics, 19.11.2021 17:20
Mathematics, 19.11.2021 17:20
English, 19.11.2021 17:20
Mathematics, 19.11.2021 17:20
Chemistry, 19.11.2021 17:20
Mathematics, 19.11.2021 17:20