Chemistry, 13.01.2021 07:50 lakiethalucas
can anyone think of scenarios that are either physical or chemical change? I need appropriate answers to solve this, thanks.
Answers: 2
Chemistry, 21.06.2019 15:20
Both 1,2−dihydronaphthalene and 1,4−dihydronaphthalene may be selectively hydrogenated to 1,2,3,4−tetrahydronaphthalene. one of these isomers has a heat of hydrogenation of 101 kj/mol (24.1 kcal/mol), and the heat of hydrogenation of the other is 113 kj/mol (27.1 kcal/mol). match the heat of hydrogenation with the appropriate dihydronaphthalene.
Answers: 2
Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
Answers: 1
Chemistry, 22.06.2019 00:00
Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52
Answers: 2
Chemistry, 22.06.2019 12:00
Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~
Answers: 1
can anyone think of scenarios that are either physical or chemical change? I need appropriate answer...
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