Put it in the refrigerator until it is thawed.
No one can tell you when a cooked turkey will go bad, even if it is left out of the refrigerator. That will depend upon several things, including environmental factors and whether or not it was exposed to contaminants.
It is best to see that leftover cooked food is refrigerated within 2 hours or less.
If you pulled out the leftovers and forgot to put them back in the refrigerator, it will be up to you to determine if salvaging it is worth the risk.
Because the oils in the peanut butter rises to the top. Its just the way the solids settle to the bottom. Just take a mixer or a knife and mix it up again.
Certainly. If you thaw out some frozen meat and make your chilli and then refreeze the cooked, product you shouldn't have any problems whatsoever. No worries here. Just be sure to package it in a way that minimum air is included with your food, as is always suggested. Cooking meat that has been frozen and then freezing your cooked product is perfectly acceptable. It is done frequently.