Podcast
Questions and Answers
What is the primary factor that determines the heat change of a reaction, according to Hess's Law?
What is the primary factor that determines the heat change of a reaction, according to Hess's Law?
- The route by which the reaction occurs
- The catalyst used in the reaction
- The temperature at which the reaction takes place
- The initial and final states of the reaction (correct)
What is the purpose of isomerisation in improving the octane number of heptane?
What is the purpose of isomerisation in improving the octane number of heptane?
- To convert straight compounds to ring compounds
- To break down large molecules into smaller ones
- To form a more branched isomer (correct)
- To produce hydrogen through electrolysis of water
What is the products of the steam reforming process?
What is the products of the steam reforming process?
- CHâ‚„ + Hâ‚‚O
- COâ‚‚ + Hâ‚‚O
- COâ‚‚ + Hâ‚‚ (correct)
- CO + 3Hâ‚‚
What is the name of the process that involves breaking down large molecules into smaller ones with higher octane numbers?
What is the name of the process that involves breaking down large molecules into smaller ones with higher octane numbers?
What is the purpose of dehydrocyclisation in refining petroleum?
What is the purpose of dehydrocyclisation in refining petroleum?
What is the primary product of the electrolysis of water?
What is the primary product of the electrolysis of water?
What is the name of the gas that is produced by steam reforming of methane?
What is the name of the gas that is produced by steam reforming of methane?
What is the term for a reaction in which heat is given out?
What is the term for a reaction in which heat is given out?
What is the unit of measurement for the bond energy of a molecule?
What is the unit of measurement for the bond energy of a molecule?
What is the significance of the octane number of a fuel?
What is the significance of the octane number of a fuel?
What is the heat of combustion of a substance?
What is the heat of combustion of a substance?
What is the Law of Conservation of Energy?
What is the Law of Conservation of Energy?
What is the term for the heat of reaction of a chemical reaction?
What is the term for the heat of reaction of a chemical reaction?
What is the significance of 2,2,4-trimethylpentane in the octane scale?
What is the significance of 2,2,4-trimethylpentane in the octane scale?
