How many nitrogen atoms are there in 4.3 × 1023 moles of nitrogens?

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Matches the chemical name of each oxide of phosphorus to its chemical formula

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon