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The Decomposition of Dinitrogen Pentaoxide Has an Activation Energy of 102

Question 68

Multiple Choice

The decomposition of dinitrogen pentaoxide has an activation energy of 102 kJ/mol and Δ\Deltarxn = + 55 kJ/mol.What is the activation energy for the reverse reaction?


A) 27 kJ/mol
B) 47 kJ/mol
C) 55 kJ/mol
D) 102 kJ/mol
E) More information is needed,since this is a Hess' Law calculation.

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