Fe 2 O 3 (s) + 2Al(s) → Al 2 O 3 + 2Fe(s). If

CHEMISTRY
JAMB 2020

Fe2O3(s) + 2Al(s) → Al2O3 + 2Fe(s). If the heats of formation of Al2O3 and Fe2O3are - 1670 kJmol−1 and - 822 kJmol−1 respectively, the enthalpy change in kJ for the reaction is ?

  • A. +2492
  • B. +848
  • C. -848
  • D. -2492

Correct Answer: C. -848



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