Calculate the volume, in milliliters, of 0.170 M NaOH that must be added to 275 mL 0.0427 M 3‑( ‑Morpholino) propanesulfonic acid (MOPS) to give the solution a pH of 7.55. The pKa of MOPS is 7.18.

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )