At 500 K, hydrogen and iodine can form hydrogen iodide in the gas-phase reaction: 2HI(g) H₂(g) + 12(g) In one experiment, 0.176 g of HI were placed in an evacuated 1.00 L flask at 500 K, and allowed to come to equilibrium, the final pressure was 0.0893 atm. What were the partial pressures of HI, H₂, and 12 and what is the equilibrium constant? Phi= i PH2= i P12= Kc = i i atm atm atm

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