A bottle of methanol is spilled in the 25°C lab, and it pools to form a 6 cm diameter circle. Assume that methanol evaporation occurs through a stagnant air layer of 3.5 mm. The diffusion coefficient of methanol in air is 0.164 cm2 /s. What is the mass flowrate (mg/min) of methanol evaporating?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Identify and describe the three ways that mutations affect organisms.

What is the mass of each element in a 324.8 sample of co2