Post Utme Aaua 2019 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2019 Post Utme Aaua Chemistry examination.

Post Utme Aaua 2019 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_AAUA • 2019 • 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 that the s\tandard enthalpy of formation \( ΔH^circ_f \) for Al_2O_3(s) is -1675.7 kJ/mol, and the s\tandard enthalpy of formation for Fe(s) is 0 kJ/mol. The s\tandard enthalpy of formation for Al(s) is 0 kJ/mol, and the s\tandard enthalpy of formation for Fe_2O_3(s) is -826.4 kJ/mol.

Answer Options

Correct Answer A. -1011.1 kJ/mol
B. -1011.2 kJ/mol
C. -1011.3 kJ/mol
D. -1011.4 kJ/mol
Correct Answer
A
Correct Option:
-1011.1 kJ/mol

About This Question

This is Post Utme Aaua 2019 Chemistry Question 1. It is one of the objective questions from the 2019 Post Utme Aaua Chemistry examination.

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