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ICE Charts
16. Chemical Equilibrium / ICE Charts / Problem 4

A 1.00-L reaction vessel containing 13.9 g of P4 was heated to 578 K. The P4 dissociated into an equilibrium mixture of P4 and P2 with a 6.71 atm total pressure. 

P4(g) ⇌ 2 P2(g)

How many kilojoules of heat were released during the dissociation of P4 to produce the equilibrium mixture?

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