Post Utme Afe Babalola University 2021 Chemistry Question 36

Practice objective / multiple choice question 36 from the 2021 Post Utme Afe Babalola University Chemistry examination.

Post Utme Afe Babalola University 2021 Chemistry Objective / Multiple Choice
Question 36 POST_UTME_AFE_BABALOLA_UNIVERSITY • 2021 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change (ΔH⁰) for the reaction: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g). The s\tandard enthalpy of formation (ΔH⁰f) values are: Al(s) = 0 kJ/mol, HCl(aq) = -92.3 kJ/mol, AlCl3(aq) = -704.0 kJ/mol, H2(g) = 0 kJ/mol. Assume the reaction is carried out at 298 K.

Answer Options

Correct Answer A. -1768.6 kJ/mol
B. -704.0 kJ/mol
C. -92.3 kJ/mol
D. -704.0 kJ/mol + 2\( 0 kJ/mol \)
Correct Answer
A
Correct Option:
-1768.6 kJ/mol

About This Question

This is Post Utme Afe Babalola University 2021 Chemistry Question 36. It is one of the objective questions from the 2021 Post Utme Afe Babalola University Chemistry examination.

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