Post Utme Unilorin 2023 Chemistry Question 31

Practice objective / multiple choice question 31 from the 2023 Post Utme Unilorin Chemistry examination.

Post Utme Unilorin 2023 Chemistry Objective / Multiple Choice

Question 31 POST_UTME_UNILORIN • 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, and ΔHf(Ca(s)) = -178.2 kJ/mol.

Answer Options

Correct Answer A. -1206.7 kJ/mol

B. -1206.8 kJ/mol

C. -1206.9 kJ/mol

D. -1207.0 kJ/mol

Correct Answer

Correct Option:

-1206.7 kJ/mol

About This Question

This is Post Utme Unilorin 2023 Chemistry Question 31. It is one of the objective questions from the 2023 Post Utme Unilorin Chemistry examination.

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