Post Utme Greenfield University 2018 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2018 Post Utme Greenfield University Chemistry examination.

Post Utme Greenfield University 2018 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_GREENFIELD_UNIVERSITY • 2018 • CHEMISTRY • objective

Determine the s\tandard enthalpy of formation of $\text{CaCO}_3(s)$ from the following data: $\Delta H^\circ_{f}\( \text{CaO}\( s \ \)) = -635.09 \text{ kJ/mol}$, $\Delta H^\circ_{f}\( \text{CO}_2\( g \ \)) = -393.51 \text{ kJ/mol}$, and $\Delta H^\circ_{f}\( \text{CaCO}_3\( s \ \)) = -1206.92 \text{ kJ/mol}$.

Answer Options

Correct Answer A. -1785.69 kJ/mol
B. -1785.69 kJ/mol
C. -1785.69 kJ/mol
D. -1785.69 kJ/mol
Correct Answer
A
Correct Option:
-1785.69 kJ/mol

About This Question

This is Post Utme Greenfield University 2018 Chemistry Question 11. It is one of the objective questions from the 2018 Post Utme Greenfield University Chemistry examination.

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