Post Utme Abu 2021 Chemistry Question 40

Practice objective / multiple choice question 40 from the 2021 Post Utme Abu Chemistry examination.

Post Utme Abu 2021 Chemistry Objective / Multiple Choice

Question 40 POST_UTME_ABU • 2021 • 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(C(s)) = 0 kJ/mol.

Correct Answer A. -1206.60 kJ/mol

B. -1206.61 kJ/mol

C. -1206.59 kJ/mol

D. -1206.62 kJ/mol

Correct Answer

Correct Option:

-1206.60 kJ/mol

This is Post Utme Abu 2021 Chemistry Question 40. It is one of the objective questions from the 2021 Post Utme Abu Chemistry examination.

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