4518Chemical EngineeringMedium
The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is________?
A230
B180
C130
D250
Correct answer
A. 230
Explanation
The correct answer is 230.