Question

Energy A+B+C Activation Energy (EA) D Progress of Reaction d) If a catalyst was used in this reaction, describe how the activation energy level would change on this energy profile diagram. You should support your description with a similar energy profile diagram. e) Use the information provided in the below equation and Table, to show how the enthalpy of formation for glucose was determined using Hess' Law. You should include an enthalpy cycle diagram and show your workings clearly. Reaction 6C(s) + 6H$_2$(g) + 3O$_2$(g) $\rightarrow$ C$_6$H$_{12}$O$_6$(s) ?H$_f$ = -1086.4 kJ mol$^{-1}$ C(s) + O$_2$(g) $\rightarrow$ CO$_2$(g) H$_2$(g) + 1/2O$_2$(g) $\rightarrow$ H$_2$O(l) C$_6$H$_{12}$O$_6$(s) + 6O$_2$(g) $\rightarrow$ 6CO$_2$(g) + 6H$_2$O(l) ?H$_c$ (kJ mol$^{-1}$) -395.0 -269.4 -2900

          Energy
A+B+C
Activation
Energy (EA)
D
Progress of Reaction
d) If a catalyst was used in this reaction, describe how the
activation energy level would change on this energy profile
diagram. You should support your description with a similar
energy profile diagram.
e) Use the information provided in the below equation and Table,
to show how the enthalpy of formation for glucose was
determined using Hess' Law. You should include an enthalpy
cycle diagram and show your workings clearly.
Reaction
6C(s) + 6H$_2$(g) + 3O$_2$(g) $\rightarrow$ C$_6$H$_{12}$O$_6$(s) ?H$_f$ = -1086.4 kJ mol$^{-1}$
C(s) + O$_2$(g) $\rightarrow$ CO$_2$(g)
H$_2$(g) + 1/2O$_2$(g) $\rightarrow$ H$_2$O(l)
C$_6$H$_{12}$O$_6$(s) + 6O$_2$(g) $\rightarrow$ 6CO$_2$(g) + 6H$_2$O(l)
?H$_c$ (kJ mol$^{-1}$)
-395.0
-269.4
-2900

Added by Jodi M.

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