What are the values of K p K c for the following reactions at 300 K respectively? (At 300 K , RT = 24 .62 dm 2 atm mol - 1 ) N 2 g + O 2 g ⇌ 2 NO g N 2 O 4 g ⇌ 2 NO g N 2 g + 3 H 2 g ⇌ 2 NH 3 g

Question

What are the values of K p K c for the following reactions at 300 K respectively? (At 300 K , RT = 24 .62 dm 2 atm mol - 1 ) N 2 g + O 2 g ⇌ 2 NO g N 2 O 4 g ⇌ 2 NO g N 2 g + 3 H 2 g ⇌ 2 NH 3 g, 24 .63 dm 3 atm mol - 1 , 606 .0 dm 6 atm 2 mol - 2 , 1 .65 × 10 - 3 dm - 6 atm - 2 mol 2, 1 ,24.62 dm 6 atm 3 mol - 1 606 .0 dm 6 atm 2 mol - 2, 1 ,24.62 dm 3 atm mol - 1 1 .65 × 10 - 3 dm - 6 atm - 2 mol 2, 1 , 4.1 × 10 - 2 dm - 3 atm - 1 mol , 606 dm 6 atm 2 mol - 2

MARKS App · Accepted Answer

∵ K P = K C RT Δng K P K C = RT Δng (i) N 2 + O 2 ⇌ 2 NO Δng = 0 ∴ K P K C = 1 (ii) N 2 O 4 ⇌ 2 Na 2 Δng = 1 ∴ K P K C = RT 1 = 24 .62 1 (iii) N 2 + 3 H 2 ⇌ 2 NH 3 Δng = - 2 ∴ K P K C = RT - 2 = 24 .62 - 2 = 1 .659 × 10 - 3 ≃ 1.65 × 10 − 3

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