Question 2
Which of the following properties of light are directly proportional?

Compare and contrast physical changes with chemical changes.

Avariable that is not being directly tested during an experiment should be

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?