Post Utme Lautech 2017 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2017 Post Utme Lautech Chemistry examination.

Post Utme Lautech 2017 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_LAUTECH • 2017 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change \( ΔH^circ \) for the reaction: 2Al(s) + 3H_2O(g) → 2Al(OH)_3(s) + 3/2H_2(g). Given that ΔH^circ_f = -1261.3 kJ/mol for Al(OH)_3(s) and ΔH^circ_f = 0 kJ/mol for Al(s) and H_2O(g).

Answer Options

Correct Answer A. -1478.6 kJ/mol
B. -1261.3 kJ/mol
C. -1478.6 kJ/mol + 0 kJ/mol
D. -1261.3 kJ/mol + 0 kJ/mol
Correct Answer
A
Correct Option:
-1478.6 kJ/mol

About This Question

This is Post Utme Lautech 2017 Chemistry Question 11. It is one of the objective questions from the 2017 Post Utme Lautech Chemistry examination.

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