Question

The decomposition of hydrocarbon follows the equation

k = (4.5 × 10¹¹ s⁻¹) e^{−28000 K/T}

Calculate E_a.

Answer 1

The given equation is

k = (4.5 × 10¹¹ s⁻¹) e^{−28000 K/T} (i)

Arrhenius equation is given by,

(ii)

From equation (i) and (ii), we obtain

= 8.314 J K⁻¹ mol⁻¹ × 28000 K

= 232792 J mol⁻¹

= 232.792 kJ mol⁻¹