Post Utme Covenant University 2017 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2017 Post Utme Covenant University Chemistry examination.

Post Utme Covenant University 2017 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_COVENANT_UNIVERSITY • 2017 • CHEMISTRY • objective

The reaction between sulfur dioxide and oxygen to form sulfur trioxide is highly exothermic. What is the value of ΔH for this reaction, given that the s\tandard enthalpy of formation of SO2 is -296.8 kJ/mol and the s\tandard enthalpy of formation of SO3 is -395.7 kJ/mol?

Answer Options

Correct Answer A. -99.9 kJ/mol
B. -99.1 kJ/mol
C. -98.3 kJ/mol
D. -97.5 kJ/mol
Correct Answer
A
Correct Option:
-99.9 kJ/mol

About This Question

This is Post Utme Covenant University 2017 Chemistry Question 21. It is one of the objective questions from the 2017 Post Utme Covenant University Chemistry examination.

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