Calculate 28.1g of silicon to moles

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2