Post Utme Aaua 2020 Chemistry Question 26

Practice objective / multiple choice question 26 from the 2020 Post Utme Aaua Chemistry examination.

Post Utme Aaua 2020 Chemistry Objective / Multiple Choice

Question 26 POST_UTME_AAUA • 2020 • 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.

Correct Answer A. -1206.7 kJ/mol

B. -1206.8 kJ/mol

C. -1206.9 kJ/mol

D. -1206.6 kJ/mol

Correct Answer

Correct Option:

-1206.7 kJ/mol

This is Post Utme Aaua 2020 Chemistry Question 26. It is one of the objective questions from the 2020 Post Utme Aaua Chemistry examination.

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