Post Utme Joseph Ayo Babalola University 2022 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2022 Post Utme Joseph Ayo Babalola University Chemistry examination.

Post Utme Joseph Ayo Babalola University 2022 Chemistry Objective / Multiple Choice
Question 20 POST_UTME_JOSEPH_AYO_BABALOLA_UNIVERSITY • 2022 • CHEMISTRY • objective

The s\tandard enthalpy of formation (ΔHf°) for water (H2O) is -285.8 kJ/mol. Calculate the s\tandard enthalpy of combustion (ΔHc°) for water.

Answer Options

A. -285.8 kJ/mol
B. -285.8 kJ/mol + 2ΔHf°(H)
C. -285.8 kJ/mol + ΔHf°(O)
Correct Answer D. -285.8 kJ/mol + 2ΔHf°(H) + ΔHf°(O)
Correct Answer
D
Correct Option:
-285.8 kJ/mol + 2ΔHf°(H) + ΔHf°(O)

About This Question

This is Post Utme Joseph Ayo Babalola University 2022 Chemistry Question 20. It is one of the objective questions from the 2022 Post Utme Joseph Ayo Babalola University Chemistry examination.

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