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Use the standard enthalpies of formation given below to calculate the enthalpy change for following reaction at 298.15 K and 1 atm. Label each as endothermic or exothermic.

The reduction of chromium (III) oxide with carbon:

2Cr2O3(s) + 3C(s) --> 4 Cr (s) + 3CO2(g)

Thermodynamic data:

Species Delta H (degrees F) (kJ/mol)

Cr203 -1134.7

C 0.0

Cr 0.0

CO2 -393.5

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  • Category:- Chemistry
  • Reference No.:- M9481794

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