How many moles of oxide are in 0.050 g of Iron(III) oxide?

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Identify the electromagnets with poles that are reversed from the electromagnet shown above

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide