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El metanol se sintetiza comercialmente a partir de CO y H2 mediante la reaccin CO + 2H2 CH3OH sobre un catalizador de Cu/ZnO a 350

El metanol se sintetiza comercialmente a partir de CO y H2 mediante la reaccin CO + 2H2 CH3OH sobre un catalizador de Cu/ZnO a 350 C a 50-100 atm. Los datos termodinmicos de estado estndar de esta reaccin son H R ,298 = -90,64 kJ/mol y G R ,298 = -24,2 kJ/mol.

a) Cul es la conversin de equilibrio de una mezcla estequiomtrica de CO y H2 en metanol a 298 K a 1 atm?

b) Suponiendo H R independiente de T, cules son K eq y la conversin de equilibrio a 1 atm y 350 C?

c) El valor real de K eq a 350 C es 1,94 10-4. Qu tan grande es el error suponiendo H R constante?

d) A qu presin la conversin de equilibrio ser del 50% a 350 C?

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