4Fe + 30₂ ⇒ Fe₂0₃ The products in this equation are not balanced. What can we change the coefficient of Fe₂0₃ to in order to balance the equation?

A: 2

B: 3

C: 4

D: 6

Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.