What is the wavelength and frequency of photons with an energy of 1.4 * 10 e-21 J?

In apex! a liquid heated beyond a certain temperature becomes

What must be in balance for temperatures to remain constant?

#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.