Post Utme Ksu 2022 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2022 Post Utme Ksu Chemistry examination.

Post Utme Ksu 2022 Chemistry Objective / Multiple Choice

Question 20 POST_UTME_KSU • 2022 • CHEMISTRY • objective

A 2.5 g sample of an unknown hydrocarbon is burned in a combustion calorimeter. The temperature of the calorimeter increases by 23.5°C. If the calorimeter cons\tant is 2.5 J/g°C, what is the heat of combustion of the hydrocarbon, assuming it is a pure subs\tance?

A. 100 kJ/mol

B. 200 kJ/mol

Correct Answer C. 300 kJ/mol

D. 400 kJ/mol

Correct Answer

Correct Option:

300 kJ/mol

This is Post Utme Ksu 2022 Chemistry Question 20. It is one of the objective questions from the 2022 Post Utme Ksu Chemistry examination.

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