Energetics
JUPEB Chemistry
2 Energetics practice questions covering everything you need for JUPEB.
Drill Energetics →Sample Energetics questions
Q1· MEDIUM
(a) Using the bond enthalpies H−H $= 436$ kJ mol$^{-1}$, Cl−Cl $= 242$ kJ mol$^{-1}$ and H−Cl $= 431$ kJ mol$^{-1}$, calculate the enthalpy change for the reaction H$_2$(g) + Cl$_2$(g) → 2HCl(g), and …
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Q2· MEDIUM
(a) Define the standard enthalpy of combustion of a substance and state the standard conditions. (3 marks) (b) Given the following standard enthalpies of combustion: carbon (graphite) $-394$ kJ mol$^{…
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