A fluid with a free stream velocity of 2 m/s is flowing over a surface of a body with characteristic length of 2 m. The flow conditions are maintained at 298 K and 1 atm, and the average mass transfer convection is 0.015 m/s. Determine the average Reynolds number, Schmidt number, Sherwood number, and friction coefficient for

(a) Air flowing over the surface coated with water (evaporation) 

(b) Air flowing over the surface coated with naphthalene (sublimation). Assume the mass diffusivity of naphthalene in air is 0.61 × 10^–5 m²/s.