The reaction is: Fe2O3 (s) + 2Al (s) → 2Fe (l) + Al2O3 (s) What mass, in grams, of iron (III) oxide reacted to produce 4.5 mol of Al2O3 ???

What is a property of a double replacement reaction

There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .

What is a number added in front of a formula in order to balance the equation