There are two steps in the usual industrial preparation of acrylic acid, the imm

Question

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:

(s) (l) (g) (s)

In the second step, acetylene, carbon dioxide and water react to form acrylic acid:

(g) (g) (g) (g)

Calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide.
Round your answer to the nearest . 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: In the second step, acetylene, carbon dioxide and water react to form acrylic acid: Calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide. Round your answer to the nearest kJ.

Explanation / Answer

The first answer is partially correct. The question ask for one mole of acrylic acid, so you must divide -2352 KJ by 5 since the stoich. coefficient is 5.

-2352 is for 5 mol

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