A homogeneous ideal gaseous reaction AB 2 g ⇌ A g + 2 B g is carried out in a 25 litre flask at 27 ° C . The initial amount of AB 2 was 1 mole and the equilibrium pressure was 1 . 9 atm . The value of

Question

A homogeneous ideal gaseous reaction AB 2 g ⇌ A g + 2 B g is carried out in a 25 litre flask at 27 ° C . The initial amount of AB 2 was 1 mole and the equilibrium pressure was 1 . 9 atm . The value of K p is x × 10 - 2 . The value of x is (Integer answer) R = 0 . 08206 dm 3 atm K - 1 mol - 1

TestHub · Accepted Answer

AB 2 1 1 - α 0 . 535 ⇌ A α 0 . 465 + 2 B 2 α 0 . 9 1 . 9 × 25 = n T × 0 . 08206 × 300 n T = 1 . 93 = 1 + 2 α α = 0 . 465 Kp = 0 . 465 1 . 93 × 19 0 . 93 1 . 93 × 1 . 9 2 0 . 535 1 . 93 × 1 . 9 ≃ 73 × 10 - 2 atm 2

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