Chemistry, 05.07.2019 11:00 kkelley9223
Thorium-234 has a half-life of 24.1 days. how much of a 100-g sample of thorium-234 will be unchanged after 48.2 days?
Answers: 1
Chemistry, 22.06.2019 13:20, alejandra340
Can someone me with 3 and 4 plz. this is for masteries test.
Answers: 2
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.
Answers: 3
Chemistry, 22.06.2019 16:50, lilblackbird4
Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest
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Chemistry, 22.06.2019 23:00, autumperry3599
What is the chemical formula for dihydrogen monoxide
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Thorium-234 has a half-life of 24.1 days. how much of a 100-g sample of thorium-234 will be unchange...
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