Question: Phosphorus and bromine react to form phosphorus tribromide, like this: P4(g) + 6Br2(g) 4PBr3(g) Also, a chemist finds that at a certain temperature the equilibrium

Phosphorus and bromine react to form phosphorus tribromide, like this: P4(g) + 6Br2(g) 4PBr3(g) Also, a chemist finds that at a certain temperature the equilibrium mixture of phosphorus, bromine, and phosphorus tribromide has the following composition:

compound pressure at equilibrium

P4

50.1atm

Br2

19.6atm

PBr3

61.5atm

Calculate the value of the equilibrium constant Kp for this reaction. Round your answer to 2 significant digits.

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