This is a difficult task because zinc is much more active than copper and could hardly be passivated. ... The sur- face immediately turns white (the color of copper(I) iodide) and the yellow-brown color of iodine quickly fades. Rinse the coin with water, brighten it with polish and cloth and begin the whole process again.N
It would be Violet because it has the shortest wave length, while red has the longest wave length so it comes out the least of the colors.
The answer I believe is 3.340kj.
Nolur acil lütfen yalvarırım yalvarırım
A gas has more free molecules, and it is air, not a tangible substance. Hope it helps! :)