Under certain conditions argon gas diffuses at a rate of 3.2 cm per second under the same conditions an unknown gas diffuses at the at a rate of 4.5 cm per second what is the approximate molar mass of the unknown gas

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Find the mass, in grams, of 5.00*10^23 molecules of f2

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?