How many moles of n₂ are essential for generating 0.08 moles of li₃n in the given reaction?
6li + n₂ 2li₃n

0.013 moles

0.04 moles

0.08 moles

0.16 moles

0.48 moles

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron