The nitrogen gas in a car's air bag, with a volume of (6.8x10^1) L exerts a pressure of (8.460x10^2) mmHg at 25 °C. What amount of N2 gas (mol) is in the air bag?

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.