Chemistry, 30.03.2021 01:30 PrincessIndia
Problem 2 - The mass of Earth is 6.0x1024 kg. The mass of a hydrogen atom is
1.6x10-2 kg. If the entire mass of the shell were evenly spread out in a sphere with the
shell's radius, how many hydrogen atoms would you expect to find in a cubic meter of
this shell to the nearest 10,000 atoms?
Answers: 1
Chemistry, 22.06.2019 00:00, melidacampos12
Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances
Answers: 2
Chemistry, 22.06.2019 00:00, lukeakalucas
Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble
Answers: 1
Chemistry, 22.06.2019 10:00, zionlopez543
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 17:00, Estrella2209
Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
Answers: 1
Problem 2 - The mass of Earth is 6.0x1024 kg. The mass of a hydrogen atom is
1.6x10-2 kg. If the en...
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