If crystal growth does not start on its own after the solution in the flask returns to room temperature, identify the best ways to promote this process. a. Add ice cubes to the solution.
b. Scratch the bottom of the flask gently with a stirring rod.
c. Add a bit of solid as a seed crystal.
d. Place the flask on a hot plate to evaporate some solvent.

Which statement about the stamps is correct?

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.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?