Physics

Physics, 22.08.2019 04:30, jamilamiller200

When the masses of all naturally occurring isotopes of a particular are averaged, the result is called the elements

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Chemistry, 22.06.2019 14:00, jivsf

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.

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Chemistry, 23.09.2019 04:10, deaishaajennings123

011 10.0 pointsthere are three naturally occurring isotopesof the hypothetical element hilarium hi,4°hi, and 42 hi. the percentages of theseisotopes are the following: hilariumisotopes39 hi40 hiconsists ofd has anfollowingsotope isnaturalabundance25.8%33.8%40.4%42 hibecauseis outeryou can assume that the atomic masses areexactly equal to the mass number. calculatethe weight of “naturally” occurring hilariumand report it as you would for any other nat-urally occurring element.answer in units of g/mol. your answermust be within + 0.005%ise the

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Chemistry, 23.09.2019 18:00, townykid96

There are three naturally occurring isotopes of the hypothetical element hilarium 45hi, 46hi, and 48hi. the percentages of these isotopes are the following: hilarium natural isotopes abundance 45hi 18.3% 46hi 34.5% 48hi 47.2% you can assume that the atomic masses are exactly equal to the mass number. calculate the weight of "naturally" occurring hilarium and report it as you would for any other naturally occurring element. answer in units of g/mol. your answer must be within ± 0.005%

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Chemistry, 28.10.2019 04:31, levin69

The element x has three naturally occurring isotopes. the masses (amu) and % abundances of the isotopes are given in the table below. the average atomic mass of the element is amu.

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