Is anyone a genius at chemistry because I need help please ?

On a distance vs time graph the line of an object at rest is a

What is happening when the water inside a kettle heats up and begins to boil

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)