Post Utme Christopher University 2023 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2023 Post Utme Christopher University Chemistry examination.

Post Utme Christopher University 2023 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_CHRISTOPHER_UNIVERSITY • 2023 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change \( ΔH^circ \) for the reaction: 2Al(s) + Fe_2O_3(s) → 2Fe(s) + Al_2O_3(s). Given: ΔH^circ_f\( Al_2O_3\( s \ \)) = -1675.7 kJ/mol, ΔH^circ_f\( Fe_2O_3\( s \ \)) = -825.4 kJ/mol, ΔH^circ_f(Al(s)) = 0 kJ/mol, ΔH^circ_f(Fe(s)) = 0 kJ/mol.

Answer Options

Correct Answer A. -1751.1 kJ/mol
B. -1751.9 kJ/mol
C. -1750.5 kJ/mol
D. -1752.3 kJ/mol
Correct Answer
A
Correct Option:
-1751.1 kJ/mol

About This Question

This is Post Utme Christopher University 2023 Chemistry Question 21. It is one of the objective questions from the 2023 Post Utme Christopher University Chemistry examination.

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