Question

In the electrowinning process, a

Metallurgical/Chemical

Engineer

use

s

an Infrared (IR) camera to

detect metallurgical short

-

circuits (hot spots) over the anodes and cathodes.

Given that the mass

of an electron is 9.109

×

10

31

𝐾𝑔

and

Rydberg

’s

constant is

1.090×

10

7

𝑚

−

1

,

d

etermine the energy

(in MJ)

applied when

5

mol of IR photons having a wavelength of 3

2

nm is

used in the copper

electrolysis process

.

Answer 1

Energy Applied ;

$=7.61×10 ^{6}MJ$