1.00 atm of H2 (g) is mixed with 0.50 atm of I2 (g) at 555 oC and the following reaction is allowed to come to equilibrium. H2(g)+I2(g)⇌2HI(g)         KP=54.6 What are the equilibrium pressures of H2(g), I2(g) and HI(g)? PH2 = ?atm PI2 = ?atm PHI = ?atm

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