Igcse Model Questions Vol1 2021 Chemistry Question 6
Practice objective / multiple choice question 6 from the 2021 Igcse Model Questions Vol1 Chemistry examination.
Using the standard enthalpies of formation (kJ mol⁻¹) given below: \(\Delta H_f^\circ(\text{CO}_2) = -393.5\), \(\Delta H_f^\circ(\text{SO}_2) = -296.8\), \(\Delta H_f^\circ(\text{NO}_2) = -33.2\), \(\Delta H_f^\circ(\text{P}_4\text{O}_{10}) = -2984\). For each oxide, calculate the heat released per gram of \(\text{O}_2\) consumed when the oxide is formed from its elements. Which oxide releases the greatest amount of heat per gram of \(\text{O}_2\)?
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About This Question
This is Igcse Model Questions Vol1 2021 Chemistry Question 6. It is one of the objective questions from the 2021 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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