Chemistry, 13.10.2019 15:50, AphEngland
Aweather balloon is filled with helium that occupies a volume of 5.57 104 l at 0.995 atm and 32.0°c. after it is released, it rises to a location where the pressure is 0.720 atm and the temperature is -14.5°c. what is the volume of the balloon at that new location?
Answers: 3
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 20:20, Matseleng3775
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Chemistry, 22.06.2019 22:30, kristen17diaz
How many valence electrons are in atom of radon?
Answers: 1
Chemistry, 23.06.2019 01:30, joyelewis58
Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely
Answers: 1
Aweather balloon is filled with helium that occupies a volume of 5.57 104 l at 0.995 atm and 32.0°c....
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