When 80.0g of iron(II) oxide react with an excess of carbon monoxide, then 55.3g of iron are produced along with carbon dioxide. What is the yield of this reaction?

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

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.

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?