The Decomposition of Dinitrogen Pentaoxide Has an Activation Energy of 102

question 72

Multiple Choice

The decomposition of dinitrogen pentaoxide has an activation energy of 102 kJ/mol and $\Delta$ H $\degree$ _rxn = + 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's law calculation.

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Definitions:

Trabeculae

The network of supportive fibrous bundles in organs like the heart or the spongy bone structure, providing structural support.

Spongy Bone

Also known as cancellous bone, a porous type of bone tissue found at the ends of long bones and in the inner layer of other bones, providing structural support.

Concentric Lamellae

Circular layers of bone matrix in osteons that surround a central canal, providing strength and support to bone.

Compact Bone

The dense, hard outer layer of bone that provides strength and support to the skeletal structure.