How many moles of iron are needed to produce 12.3 grams of iron(II) sulfide(Fes)? 8Fe + S8 —> 8FeS

The answer to the question: choose the correct statement.  a) when ethane reacts with fluorine gas the product is less stable.b) addition reactions of unsaturated hydrocarbons and halogens requires a high activation energy.  c)the double covalent bond within unsaturated hydrocarbons requires a lot of energy to break.  d)the double covalent bond within unsaturated hydrocarbons can be broken easily.is: a) when ethane reacts with fluorine gas the product is less stable.

Declaration of independence basically declares war with britain while bill of rights is document with the rights of the people written down.