Dissociation of a gas A2 takes place according to the following chemical reactions. At equilibrium, the total pressure is 1 bar at 300K. A (g) 2A(g) The standard Gibbs energy of formation of the invol

Question

Dissociation of a gas A2 takes place according to the following chemical reactions. At equilibrium, the total pressure is 1 bar at 300K. A (g) 2A(g) The standard Gibbs energy of formation of the involved substances has been provided below: º t Substance G / kJmol A 100.00 A 50.832 The degree of dissociation of A2(g) is given by (x × 10 –2) 1/2 where x = _________. (Nearest integer). [Given : R = 8 J mol –1 K –1, log 2 = 0.3010, log 3 = 0.48]

Prashant Kotian · Accepted Answer

Correct answer: .. –1.664 × 10 3 = –8.3 × 300 lnKP lnKP = 0.693 KP = 2 0 4 P 1    3  1/2 100 10          = (33.33 × 10 –2) 1/2 ALLEN

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