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La transformacin del manganeso es la siguiente: Mn() a 720C Mn() a 1100C Mn() a 1136C Mn() Calcule el calor de este proceso cuando el

La transformacin del manganeso es la siguiente: Mn() a 720C Mn() a 1100C Mn() a 1136C Mn() Calcule el calor de este proceso cuando el Mn es oxidado por oxgeno puro a forma MnO a 1250C. Dado: Mn() + 1 2 O2 MnO H298 = 384900 Jmol1 Mn() Mn() Hf = 2100 Jmol1 Mn() Mn() Hf = 2380 Jmol1 Mn() Mn() Hf = 1840 Jmol1 Cp(Mn) = 21,55 + 15,56 103TJK 1mol1 Cp(Mn) = 34,85 + 2,76 103TJK 1mol1 Cp(Mn) = 45,55 JK 1mol1 Cp(Mn) = 47,28 JK 1mol1 Cp(MnO) = 46,44 + 8,12 103T 3,68 105T 2 JK 1mol1 Cp(Oxgeno) = 29,96 + 4,184 103T 1,67 105T 2 JK 1mol1

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