An organic compound is made up of 0.72g of carbon, 0.16g of hydrogen and 0.64g of oxygen. Calculate the emperical formula of the compound (c=12, h=1, o=16)

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?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Why are pipes bursting in the in extremely cold weather?