Calcium carbide (cac2) reacts with water to produce acetylene (c2h2): cac2 (s) 2h2o (g) → ca(oh)2 (s) c2h2 (g) production of 6.5 g of c2h2 requires consumption of g of h2o.

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.

How does the viscosity of magma change as magma cools?

In one or two grammatically correct sentences, write a definition for the term molecule geometry