Who predicted that all matter can behave as waves as well as particles

If a || b and e || f, what is the value of y ?

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

#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.