Neon gas effuses through an opening in 52 seconds, an unknown gas effuses the same distance in 76.8
calculate the molecular mass of the unknown gas

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Asolution is produced in which water is the solvent and there are four solutes. which of the solutes can dissolve better if the solution is heated?