a certain temperature a vessel of volume 3x10 m gas. The mass of oxygen molecules is 8.3x10-26kg and mean square velocity of molecules is 520 m/s. What is vessel?​

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?