Chemistry, 09.12.2020 06:30, montimcdaniel
What happens to the molecules of a substance during a chemical change ?
1. The molecules in the substance get larger or smaller.
2. During a chemical change, the substances molecules stay the same.
3. Some molecules melt when they are combined with other molecules.
4.Bonds in the molecules are made or broken to a form new molecules.
Answers: 2
Chemistry, 21.06.2019 18:30, Thomas7785
Two things that biomedical has invented or innovated
Answers: 1
Chemistry, 22.06.2019 02:10, board1692
3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hŃ: fluorenone + naoh: fluorenone water/organic water/organic ĐČĐ”nzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=
Answers: 3
Chemistry, 23.06.2019 07:40, Aaron5795
)in the deacon process for the manufacture of chlorine, hcl and o2 react to form cl2 and h2o. sufficient air (21 mole% o2, 79% n2) is fed to provide 35% excess oxygen, and the fractional conversion of hcl is 85%. calculate the mole fractions of the product stream components.
Answers: 1
What happens to the molecules of a substance during a chemical change ?
1. The molecules in the sub...
Mathematics, 18.10.2020 16:01
Mathematics, 18.10.2020 16:01
Mathematics, 18.10.2020 16:01
Mathematics, 18.10.2020 16:01
Mathematics, 18.10.2020 16:01
History, 18.10.2020 16:01