Post Utme Unn 2025 Chemistry Question 35

Practice objective / multiple choice question 35 from the 2025 Post Utme Unn Chemistry examination.

Post Utme Unn 2025 Chemistry Objective / Multiple Choice
Question 35 POST_UTME_UNN • 2025 • CHEMISTRY • objective

Determine the s\tandard enthalpy of formation of CaCO3(s) from the following data:\n\nΔHf(CaO(s)) = -635.09 kJ/mol\nΔHf(CO2(g)) = -393.51 kJ/mol\nΔHf(Ca(s)) = -178.2 kJ/mol

Answer Options

Correct Answer A. -1206.79 kJ/mol
B. -1206.79 kJ/mol
C. -1206.79 kJ/mol
D. -1206.79 kJ/mol
Correct Answer
A
Correct Option:
-1206.79 kJ/mol

About This Question

This is Post Utme Unn 2025 Chemistry Question 35. It is one of the objective questions from the 2025 Post Utme Unn Chemistry examination.

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