Adding heat to water vapor will just cause the molecules to gain energy and move faster. As long as the amount of energy added is not extraordinary, this is all that will happen. At extremely high temperatures, the water vapor may convert to hydrogen and oxygen gas.
Pressure in the container gets higher because of the steam deriving from water, and if you do not let the steam out it will probably explode in a short time.
When steam condenses to water, it releases the latent heat it absorbed during the phase change from water to steam. This heat energy is transferred to the surroundings, leading to a temperature decrease in the steam as it turns into water. This energy release helps to warm the environment around the condensed water.
The total heat of steam, also known as enthalpy of steam, is the amount of heat required to raise the temperature of water to its boiling point and then convert it into steam without changing its temperature. It is the sum of sensible heat and latent heat of vaporization.
A steam burn is an example of latent heat, because beside the heat released by the steam itself, a part of it condenses, turning into water, which in turn releases heat too.
The steam from a kettle will hit the cold window surface and lose heat rapidly, causing it to condense back into water droplets. This is because the cold window cools down the steam quickly, which is why you can see the steam forming water droplets on the window.
and add it to water
When heat is added to water, the temperature of the water increases. At 100°C (212°F), water boils and turns into steam. This phase change from liquid to gas is a result of the added heat energy overcoming the intermolecular forces holding the water molecules together.
When you steam a carpet, the heat from the steam loosens the dirt and grime trapped in the carpet fibers. The dirt is then lifted out of the carpet by the steam cleaner's suction power, effectively removing it from the carpet.
When you add heat to liquid water it gets warm. If it gets warm enough it will boil and evaporate.
If you heat steam above 100 degrees Celsius, it will continue to increase in temperature without changing to water. This is because steam is already in a gaseous state at temperatures above 100 degrees Celsius.
The balloon expands.
BOOM.
When steam hits a cold object like a plate, it loses heat rapidly, causing it to condense back into water. This process releases latent heat, warming up the plate. Convection currents may also form, carrying the heat away from the steam and facilitating the cooling process.
Energy because energy can be used as heat.
Pressure in the container gets higher because of the steam deriving from water, and if you do not let the steam out it will probably explode in a short time.
Water can hold more heat than ice before it changes states. For example, when you add heat to ice, it changes to water almost immediately. When you add heat to water it takes more to turn it into steam.
When steam is cooled, it condenses back into liquid water. This is the opposite process of water evaporating into steam when heated. Cooling steam releases the latent heat energy it acquired during evaporation.