The acid-dissociation constant, ka, for benzoic acid is 6.5 × 10-5. calculate the base-dissociation constant, kb, for the conjugate base of benzoic acid. a. 9.3 × 105 b. 2.5 × 10-6 c. 6.5 × 109 d. 1.5 × 10-10

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

What are transitions between a liquid and gas called? identify which way they are transitioning