Post Utme Aaua 2021 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2021 Post Utme Aaua Chemistry examination.

Post Utme Aaua 2021 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_AAUA • 2021 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change (ΔH°) for the reaction: 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) given that the s\tandard enthalpy of formation (ΔHf°) for Al2O3(s) is -1675.7 kJ/mol, Al(s) is -1269.6 kJ/mol, Fe2O3(s) is -826.4 kJ/mol, and Fe(s) is 0 kJ/mol.

Answer Options

Correct Answer A. -1340.6 kJ/mol
B. -1340.7 kJ/mol
C. -1340.8 kJ/mol
D. -1340.9 kJ/mol
Correct Answer
A
Correct Option:
-1340.6 kJ/mol

About This Question

This is Post Utme Aaua 2021 Chemistry Question 1. It is one of the objective questions from the 2021 Post Utme Aaua Chemistry examination.

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