Post Utme Abu 2019 Chemistry Question 36

Practice objective / multiple choice question 36 from the 2019 Post Utme Abu Chemistry examination.

Post Utme Abu 2019 Chemistry Objective / Multiple Choice
Question 36 POST_UTME_ABU • 2019 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change (ΔH°) for the reaction: 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s). The s\tandard enthalpy of formation (ΔHf°) values are: ΔHf°(Al2O3) = -1675.7 kJ/mol, ΔHf°(Fe) = 0 kJ/mol, ΔHf°(Al) = 0 kJ/mol, ΔHf°(Fe2O3) = -826.4 kJ/mol.

Answer Options

Correct Answer A. -1031.1 kJ/mol
B. -1031.2 kJ/mol
C. -1031.3 kJ/mol
D. -1031.4 kJ/mol
Correct Answer
A
Correct Option:
-1031.1 kJ/mol

About This Question

This is Post Utme Abu 2019 Chemistry Question 36. It is one of the objective questions from the 2019 Post Utme Abu Chemistry examination.

View More Post Utme Abu 2019 Chemistry Questions More Post Utme Abu Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support