For the exothermic reaction
PCl3(g) + Cl2(g) ⇌ PCl5(g) Kp = 0.180 at a certain temperature.
A flask is charged with 0.500 atm PCl3, 0.500 atm Cl2, and 0.300 atm PCl5 at this temperature.
What are the equilibrium partial pressures of PCl 3, Cl2, and PCl5, respectively?
Express your answers numerically in atmospheres with three digits after the decimal point, separated by commas.
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