A flask holds five times as many moles of Nz as O2. If the total pressure in the jar is 18 atm, what is the pressure exerted by
oxygen?
atm

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.

What is the percent by mass of oxygen in fe2o3

How does the motion of particles in a gas change as the gas cools