Post Utme Mountain Top University 2020 Chemistry Question 4

Practice objective / multiple choice question 4 from the 2020 Post Utme Mountain Top University Chemistry examination.

Post Utme Mountain Top University 2020 Chemistry Objective / Multiple Choice
Question 4 POST_UTME_MOUNTAIN_TOP_UNIVERSITY • 2020 • 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 (ΔH°f) values are: Al₂O₃(s) = -1675.7 kJ/mol, Al(s) = 0 kJ/mol, Fe₂O₃(s) = -825.4 kJ/mol, and Fe(s) = 0 kJ/mol.

Answer Options

Correct Answer A. -1547.9 kJ/mol
B. -1547.1 kJ/mol
C. -1546.3 kJ/mol
D. -1545.5 kJ/mol
Correct Answer
A
Correct Option:
-1547.9 kJ/mol

About This Question

This is Post Utme Mountain Top University 2020 Chemistry Question 4. It is one of the objective questions from the 2020 Post Utme Mountain Top University Chemistry examination.

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