For the exothermic reaction PCl3(g)+Cl2(g)⇌PCl5(g) Kp= 0.200 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 PCl3, Cl2, and PCl5, respectively? Express your answers numerically in atmospheres with three digits

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