Asample of o2(g) is placed in an otherwise empty, rigid container at 4224 k at an initial pressure of 4.97 atm, where it decomposes to o(g) by the reaction below.

o2(g) ⇄ 2 o(g)

at equilibrium, the partial pressure of o2 is 0.28 atm. calculate kp for this reaction at 4224 k.

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 .