Asample of oxygen gas (o2) at stp has a mass of 48.0 grams. what is the volume of the gas?

What is the number of moles in 15.0 g ash3?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

What must occur for air masses to form fronts