Yes, because the water that is frozen inside the pea is heavier and harder that a cooked pea, which has less water in it. If you just compare a package of uncooked and cooked peas, you'll feel the...
yes because it is frozen and everything frozen weighs more then unfrozen.
I think so because it has frozen water lodged into it :S Iv'e confussled myself :D :PP
technically, It should be the same either way. You are not adding anything to freeze with it so it's still just the chicken weight.
Yes, it will wiegh a little , more.