The activation energy for the decomposition of H₁(g) to H₂(g) and I₂(g) is 186 kJ/mol. The rate constant at 555 K is:
a) 0.005 s⁻¹
b) 0.010 s⁻¹
c) 0.020 s⁻¹
d) 0.050 s⁻¹