Phosphorus tribromide decomposes to form phosphorus and bromine, like this: 4pbr3 (g) → p4 (g) + 6br2 (g) write the pressure equilibrium constant expression for this reaction

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Travis Barron

Chemistry

29 May, 10:36

Phosphorus tribromide decomposes to form phosphorus and bromine, like this: 4pbr3 (g) → p4 (g) + 6br2 (g) write the pressure equilibrium constant expression for this reaction

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Roderick Berger · Answer 1

Chemical reaction: 4PBr₃ (g) → P₄ (g) + 6Br₂ (g).

Pressure equilibrium constant (Kp) express the relationship between product pressures and reactant pressures. The partial pressures of gases are used to calculate pressure equilibrium constant.

Kp = (p (P₄) · p (Br₂) ⁶) : p (PBr₃) ⁴.

p (P₄) - partial pressure of phosphorus.

p (Br₂) - partial pressure of bromine.