Post Utme Greenfield University 2018 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2018 Post Utme Greenfield University Chemistry examination.

Post Utme Greenfield University 2018 Chemistry Objective / Multiple Choice
Question 1 POST_UTME_GREENFIELD_UNIVERSITY • 2018 • CHEMISTRY • objective

The enthalpy change (ΔH) for the reaction: 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) is -853.4 kJ/mol. Calculate the s\tandard enthalpy of formation (ΔHf) of Al2O3(s) in kJ/mol.

Answer Options

A. -853.4 kJ/mol
B. -853.4 kJ/mol + 2 ΔHf(Al2O3(s))
Correct Answer C. -853.4 kJ/mol - 2 ΔHf(Al2O3(s))
D. -853.4 kJ/mol + ΔHf(Al2O3(s))
Correct Answer
C
Correct Option:
-853.4 kJ/mol - 2 ΔHf(Al2O3(s))

About This Question

This is Post Utme Greenfield University 2018 Chemistry Question 1. It is one of the objective questions from the 2018 Post Utme Greenfield University Chemistry examination.

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