Post Utme Unilorin 2020 Chemistry Question 7

Practice objective / multiple choice question 7 from the 2020 Post Utme Unilorin Chemistry examination.

Post Utme Unilorin 2020 Chemistry Objective / Multiple Choice
Question 7 POST_UTME_UNILORIN • 2020 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change (ΔH°) for the reaction: 2Al(s) + 3H2O(l) → 2Al(OH)3(s) + 3H2(g) given that ΔH° for the formation of Al(OH)3 is -3265.6 kJ/mol and ΔH° for the formation of H2 is 0 kJ/mol

Answer Options

A. -3265.6 kJ/mol
Correct Answer B. -3265.6 kJ/mol + 3\( 0 kJ/mol \)
C. -3265.6 kJ/mol + 3\( 0 kJ/mol \)
D. -3265.6 kJ/mol + 3\( 0 kJ/mol \)
Correct Answer
B
Correct Option:
-3265.6 kJ/mol + 3\( 0 kJ/mol \)

About This Question

This is Post Utme Unilorin 2020 Chemistry Question 7. It is one of the objective questions from the 2020 Post Utme Unilorin Chemistry examination.

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