Post Utme Wellspring University 2019 Chemistry Question 6

Practice objective / multiple choice question 6 from the 2019 Post Utme Wellspring University Chemistry examination.

Post Utme Wellspring University 2019 Chemistry Objective / Multiple Choice
Question 6 POST_UTME_WELLSPRING_UNIVERSITY • 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°) for Al2O3(s) is -1675.7 kJ/mol, and for Fe2O3(s) is -826.4 kJ/mol. The s\tandard enthalpy of formation for Al(s) is 0 kJ/mol, and for Fe(s) is 0 kJ/mol. Assume the reaction occurs at 298 K.

Answer Options

Correct Answer A. -1821.1 kJ/mol
B. -1821.5 kJ/mol
C. -1821.9 kJ/mol
D. -1822.3 kJ/mol
Correct Answer
A
Correct Option:
-1821.1 kJ/mol

About This Question

This is Post Utme Wellspring University 2019 Chemistry Question 6. It is one of the objective questions from the 2019 Post Utme Wellspring University Chemistry examination.

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