CH 4 +2 O 2 CO 2 +2 H 2 O How many moles of carbon dioxide are produced from the combustion of 20 moles of CH 4 ?​

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.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

The biosphere of the earth is made up of what compound? organic or inorganic?