Eli5 what would happen if you had water in a completely sealed container and brought it past boiling temp

Question

Would it just turn into a pressurized container full of steam? Would the water stay water but just like, really hot?

In: 98

Answer 1

In nuclear reactors, the water that comes in contact with the core is radioactive. The water that converts to steam and then is condensed back into water is in a secondary loop. The primary loop is pressurized at a very high level so it cannot convert from a liquid to a gas, within the temperatures it operates at…