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Metallurgical Engineering
Metallurgical Thermodynamics And Kinetics
Difficulty: Medium
For the irreversible reaction, Ca + C = CaC 2 , ΔH° 298 = - 60,000 J.mol -1 . If a system, initially containing 2 moles of calcium, 3 moles of carbon and one mole of calcium carbide, is allowed to react to completion, the heat evolved, at 298 K will be . . . . . . . . J.
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