Nitrogen gas is found to effuse through a porous barrier in 2.5 min. Under the same condition of the temperature and pressure, it takes an equal volume of unknown gas 243.28 seconds to refuse through the same carrier. What is the molar mass of this unknown gas?

Strong conductivity of plasma allows it to act and react as and

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.