Which element cannot be further broken down into other chemicals

Aaspirin has a density of 1.40 g/cm^3 what is the volume in cubic centimeters of a tablet weighing 320 mg?

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains