Select the lon.
o no₂
h2so4
o a3...
Answers: 2
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
Chemistry, 22.06.2019 22:40
Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent
Answers: 1
Biology, 07.04.2020 01:07
Biology, 07.04.2020 01:07
English, 07.04.2020 01:07
English, 07.04.2020 01:07
Mathematics, 07.04.2020 01:07
Biology, 07.04.2020 01:07
English, 07.04.2020 01:07
Mathematics, 07.04.2020 01:07
History, 07.04.2020 01:07
Mathematics, 07.04.2020 01:07
History, 07.04.2020 01:07
Mathematics, 07.04.2020 01:07
English, 07.04.2020 01:07