If you have 120. mL of a 0.100 M HEPES buffer at pH 7.55 and you add 4.00 mL of 1.00 M HCl, what will be the new pH? (The pKa of HEPES is 7.55.)

The grooves or folds of the brain are called

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size