1. (a) For the hypothetical reactions 1 and 2, K₁ = 10² and K₂ = ; Please calculate K₃ value. 

1. A₂(g) + B₂(g) ⇌ 2AB(g) K₁

2. 2A₂(g) + C₂(g) ⇌ 2A₂C(g) K₂ 

3. A₂C(g) + B₂(g) ⇌ 2AB(g) + (1/2)C₂(g) K₃ = ?