For a weak acid such as the side chain ε-amino group of a lysine residue in a protein, if the pka of that specific residue's ε-amino group is exactly 10.0, in an environment in which the ph = 9.0, what would be the ratio of base to acid?

Can someone me with questions 15 to 17 plz.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.