Estimate the diffusivity of chloroform in air at 483 k and 1.22 bar % by the wilke_lee equation. chloroform: sigma = 5.389 angstrom, epsilon/kapa = 340.2 k, mw = 119.4; air: sigma = 3.620 angstrom, epsilon/kapa = 97 k, mw =29.

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Calculate the number of moles of ethane in 100 grams