Aclosed tank contains 20 lb of water. if 300 btu are added to the water, what is the change in internal energy of the water?

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Ibelieve it's temperature! i'm not 100% sure.

Answerit is not a suspension or colloid mixture, it is a solution mixture;