1. Determine the velocity of the falling sphere when a sphere of radius 5 x 10-2cm and density of 0.90 g/cc falls at constant velocity through a liquid 1.00 g/cc and viscosity of 1.00 poise.
2. How can calculate the pH of the solution of 1M hydrocyanic acid (HCN) in water when the pKa for HCN is 9.31