Which is true about reaction rates? 1. High reaction rates occur only in spontaneous reactions.
2. Low reaction rates occur only in nonspontaneous reactions.
3. Reaction rates are not dependent on high or low activation energies.
4. Reaction rates are not related to spontaneity.
ANSWER 4

"the periodic table is arranged in order of atomic number."

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.