Cyclobutane Decomposes to Ethene in a First-Order Reaction

question 6

Essay

Cyclobutane decomposes to ethene in a first-order reaction.From measurements of the rate constant (k)at various absolute temperatures (T),the accompanying Arrhenius plot was obtained (ln k versus 1/T).
a.Calculate the energy of activation,E_a.
b.Determine the value of the rate constant at 740.K.(In the plot,the units of k are s^-1. )

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Definitions:

Axillary Nodes

Lymph nodes located in the armpit region that filter lymph fluid as part of the immune system.

Lymphatic Vessels

Thin-walled tubes that carry lymph, a fluid containing white blood cells and waste products, back towards the heart to be returned to the blood circulation.

Red Pulp

A tissue in the spleen composed of blood-filled sinuses and spaces filled with macrophages, playing a role in filtering blood.

White Pulp

Lymphatic tissue in the spleen composed mainly of lymphocytes and responsible for the immune response.