What is the process during the conversion of propanol to propene a. oxidation
b. hydrogenation
c. halogenation
d. dehydration

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.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?