Post Utme Pan Atlantic University 2023 Chemistry Question 28

Practice objective / multiple choice question 28 from the 2023 Post Utme Pan Atlantic University Chemistry examination.

Post Utme Pan Atlantic University 2023 Chemistry Objective / Multiple Choice

Question 28 POST_UTME_PAN-ATLANTIC_UNIVERSITY • 2023 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change (ΔH°) for the reaction: 2Al(s) + 3H2(g) → 2AlH3(s). Given that the s\tandard enthalpy of formation (ΔHf°) of AlH3 is -33.1 kJ/mol and the s\tandard enthalpy of formation (ΔHf°) of Al is 0 kJ/mol.

Answer Options

Correct Answer A. -66.2 kJ/mol

B. -33.1 kJ/mol

C. -22.1 kJ/mol

D. -11.0 kJ/mol

Correct Answer

Correct Option:

-66.2 kJ/mol

About This Question

This is Post Utme Pan Atlantic University 2023 Chemistry Question 28. It is one of the objective questions from the 2023 Post Utme Pan Atlantic University Chemistry examination.

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