Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas. pcl3(g) + cl2(g) equilibrium reaction arrow pcl5(g) a gas vessel is charged with a mixture of pcl3(g) and cl2(g), which is allowed to equilibriate at 450 k. at equilibrium the partial pressures of the three gases are ppcl3 = 0.124 atm, pcl2 = 0.157 atm, and ppcl5 = 1.30 atm.

The question is incomplete, here is the complete question:

Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas:

A gas vessel is charged with a mixture of and , which is allowed to equilibriate at 450 K. At equilibrium the partial pressures of the three gases are = 0.126 atm , = 0.156 atm , and = 1.60 atm. What is the value of at this temperature?

The for the given reaction is 81.4

Explanation:

For the given chemical equation:

The expression of for above reaction follows:

We are given:

Putting values in above equation, we get:

Hence, the for the given reaction is 81.4

the answer is b. dilution