(4) while you were "sweating" your chemistry test, water vapor evaporates from your body, absorbing 125 kj of energy. (assume no temperature change). what mass of water evaporates?

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.