A substance has an empirical formula of N2O5 . If the molar mass of the molecular formula is 216 g/mol, find the molecular formula of the substance ?

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

What is the rate law for the uncatalyzed reaction?