Chemistry, 28.06.2019 05:00 erikacastro5404
A. what is the mass number of an alpha particle? b. what is the identity of an alpha particle? c. what kind of charge does an alpha particle have?
Answers: 1
Chemistry, 22.06.2019 08:00
This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.
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Chemistry, 22.06.2019 10:00
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 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
A. what is the mass number of an alpha particle? b. what is the identity of an alpha particle? c. w...
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