Fe + O2 —> Fe2O3

can someone pls help me balance this??

What element is in the lathanide family?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Find the number of moles of argon in 364g of argon.