They molt like any other arthropod. S. subspinipes are a lot more "scary" than other centipedes. As far as container size, 10 gallons isn't really necessary. They'll usually spend most of their time curled up in one small hide.
If your emperor scorpion stops eating, don't panic.
Be nice -- you were a noob once, too
"Never ask an engineer to explain something, because he will."