Draw a titration curve for the amino acid lysine at the pka's of 2.2, 9.0, and 10.0 for the ionizable groups of lysine. label the buffering regions and equivalence points. draw the structures for the primary species of lysine at all the buffering regions and equivalence points you include in your graph. label it and draw the structures.

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable