Answer:
B) irreversible process
Explanation:
The process given here is irreversible.
Yeah...it should be out of your system by then
There is Kinetic energy involved in the state something is in. The molecules in a liquid are moving around quicker than those in a solid.
That's one reason.
The ice requires energy to melt. Bonds must be broken to get from a solid to a liquid.
A: Na3PO4 + MnCl2 > Mn3(PO4)2 + NaCl