Help please
...
Answers: 3
Chemistry, 22.06.2019 14:00
The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.
Answers: 3
Chemistry, 23.06.2019 03:50
Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer
Answers: 1
Chemistry, 23.06.2019 07:00
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
Answers: 2
Mathematics, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
Biology, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
English, 20.05.2020 09:57
Biology, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
Mathematics, 20.05.2020 09:57
Social Studies, 20.05.2020 09:57