The gaseous reaction A g ⟶ 2 B g + C g is found to be first order with respect to A . If the reaction is started with P A = 90 t o r r the pressure after 10 m i n is found to be 180 t o r r . The rate constant of the reaction is

Question

The gaseous reaction A g ⟶ 2 B g + C g is found to be first order with respect to A . If the reaction is started with P A = 90 t o r r the pressure after 10 m i n is found to be 180 t o r r . The rate constant of the reaction is, 1.15 × 10 − 3 s − 1, 2.30 × 10 - 3 s - 1, 3.45 × 10 - 3 s - 1, 4.60 × 10 - 3 s - 1

MARKS App · Accepted Answer

A g ⟶ 2 B g + C g (P 0 - p) 2 p p P total = P 0 + 2 p = 180 t o r r p = 45 t o r r k = 1 t ln 90 45 = 1.15 × 10 − 3 s − 1

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