Post Utme Unilag 2023 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2023 Post Utme Unilag Chemistry examination.

Post Utme Unilag 2023 Chemistry Objective / Multiple Choice

Question 1 POST_UTME_UNILAG • 2023 • CHEMISTRY • objective

Determine the s\tandard enthalpy of formation of CaCO3(s) from the following data: ΔHf(CaO(s)) = -635.09 kJ/mol, ΔHf(CO2(g)) = -393.51 kJ/mol, ΔHf(Ca(s)) = -178.2 kJ/mol. Assume the reaction is Ca(s) + CO2(g) → CaCO3(s).

Answer Options

Correct Answer A. -1207.7 kJ/mol

B. -1207.8 kJ/mol

C. -1207.9 kJ/mol

D. -1208.0 kJ/mol

Correct Answer

Correct Option:

-1207.7 kJ/mol

About This Question

This is Post Utme Unilag 2023 Chemistry Question 1. It is one of the objective questions from the 2023 Post Utme Unilag Chemistry examination.

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