Post Utme Osustech 2025 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2025 Post Utme Osustech Chemistry examination.

Post Utme Osustech 2025 Chemistry Objective / Multiple Choice
Question 20 POST_UTME_OSUSTECH • 2025 • CHEMISTRY • objective

The s\tandard enthalpy of formation of CO(g) is -110.5 kJ/mol. Calculate the s\tandard enthalpy of combustion of 2.5 g of C(s) at 298 K.

Answer Options

A. -275.625 kJ
Correct Answer B. -275.75 kJ
C. -275.875 kJ
D. -276.0 kJ
Correct Answer
B
Correct Option:
-275.75 kJ

About This Question

This is Post Utme Osustech 2025 Chemistry Question 20. It is one of the objective questions from the 2025 Post Utme Osustech Chemistry examination.

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