Answers: 2
Chemistry, 21.06.2019 15:20, zymikaa00
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, 22.06.2019 02:20, dgadam7495
Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .
Answers: 1
Chemistry, 22.06.2019 06:40, alyons60
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
A sample is found to contain 66.5 % N a H C O 3 by mass. What is the mass of N a H C O 3 in 4.25 g o...
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