An atom has a diameter of 2.50 Γ
and the nucleus of that atom has a diameter of 9.00Γ10β5 Γ
. Determine the fraction of the volume of the atom that is taken up by the nucleus. Assume the atom and the nucleus are a sphere.
fraction of atomic volume: ?
Calculate the density of a proton, given that the mass of a proton is 1.0073 amu and the diameter of a proton is 1.72Γ10β15 m.
density: ? g/cm^3
Answers: 3
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In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?
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Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.
Answers: 1
Chemistry, 22.06.2019 23:30
What are the similarities between compounds and mixtures?
Answers: 3
Chemistry, 23.06.2019 00:30
Balance the following reaction. as2s3 + 9o2 β 2as2o3 + so2
Answers: 2
An atom has a diameter of 2.50 Γ
and the nucleus of that atom has a diameter of 9.00Γ10β5 Γ
. Determ...
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