Gce Model Questions Vol1 2018 Chemistry Question 44
Practice objective / multiple choice question 44 from the 2018 Gce Model Questions Vol1 Chemistry examination.
Using the standard enthalpies of combustion \(\Delta H^{\circ}_{\text{comb}}(\mathrm{C}) = -393.5\ \text{kJ mol}^{-1}\) for carbon to CO₂ and \(\Delta H^{\circ}_{\text{comb}}(\mathrm{H_{2}}) = -285.8\ \text{kJ mol}^{-1}\) for hydrogen to H₂O, determine which element, carbon or hydrogen, releases more energy per gram on complete combustion. Show all calculations and state the element that releases the greater energy per gram.
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About This Question
This is Gce Model Questions Vol1 2018 Chemistry Question 44. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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