Post Utme Uniben 2021 Chemistry Question 7

Practice objective / multiple choice question 7 from the 2021 Post Utme Uniben Chemistry examination.

Post Utme Uniben 2021 Chemistry Objective / Multiple Choice
Question 7 POST_UTME_UNIBEN • 2021 • CHEMISTRY • objective

The s\tandard enthalpy of formation of CO$\( _2$ \) is -393.5 kJ/mol. Calculate the s\tandard enthalpy of formation of H$\( _2$ \)O($l$) if the s\tandard enthalpy of formation of H$\( _2$ \) is -285.8 kJ/mol and the s\tandard enthalpy of formation of O$\( _2$ \) is 0 kJ/mol.

Answer Options

Correct Answer A. -241.8 kJ/mol
B. -285.8 kJ/mol
C. -393.5 kJ/mol
D. -285.8 kJ/mol + 393.5 kJ/mol
Correct Answer
A
Correct Option:
-241.8 kJ/mol

About This Question

This is Post Utme Uniben 2021 Chemistry Question 7. It is one of the objective questions from the 2021 Post Utme Uniben Chemistry examination.

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