Equilibrium

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• 
• 
• 

• no unit

• mol dm^-3

• mol^-1 dm³

• mol^-2 dm⁶

• 1.95 mol dm^-3

• 1.60 mol dm^-3

• 0.625 mol^-1 dm³

• 0.512 mol^-1 dm³

• 0.154 mol^-2 dm⁶

• 0.265 mol^-2 dm⁶

• 0.680 mol^-2 dm⁶

• 1.470 mol^-2 dm⁶

• 2.27 × 10² mol dm^-3

• 4.13 × 10^-8 mol dm^-3

• 4.41 × 10^-3 mol dm^-3

• 5.49 × 10⁹ mol dm^-3

In a Haber Process, x mol of N₂(g) and y mol of H₂(g) are introduced into a V dm³ container and allowed to reach equilibrium. At equilibrium, 2z mol of NH₃(g) is found in the reaction mixture. What is the equilibrium constant for the reaction?

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• 
• 
• 

• (1) only

• (2) only

• (1) and (3) only

• (2) and (3) only

Which of the following changes will NOT alter the value of K_c of an equilibrium reaction?

(1)   Change in temperature

(2)   Change in pressure

(3)   Change in concentration

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)

• (1) only

• (2) only

• (1) and (3) only

• (2) and (3) only