You have to put energy IN to keep it boiling, so the water molecules gain energy (from the heating source): the answer is 'GAIN energy' and NOT (as wrongly stated before) 'LOSE' it.water only looses energy when it turns into a solid.and adds energy when turning into a gas
When steam condenses to form water, it releases energy in the form of heat to the surroundings. This energy is needed to break the intermolecular forces that hold the water molecules together as steam.
Water molecules gain energy in order to vaporize. That additional energy is needed in order for the water molecules to overcome the attraction that they have for the other water molecules in the liquid that they are part of. In the gas phase, water molecules move independently of each other and are not connected as they are in the liquid state.
Objects can gain or lose energy through various processes like heat transfer, work done on or by the object, chemical reactions, and electromagnetic radiation. These processes can result in either an increase or decrease in the object's energy depending on the specific circumstances.
Particles gain energy when changing from a liquid to a gas as they absorb heat energy. This extra energy allows the particles to break free from the intermolecular forces that hold them together in the liquid state, enabling them to move more freely in the gas phase.
Water vapor loses energy during the process of condensation. As the vapor cools and condenses, it releases latent heat energy, which is why condensation often forms clouds or dew when warm, moist air cools down.
Lose
Most substances lose or gain energy when their temperature changes.
When water gains energy the water molecules turn into vapor also known as Evaporation.
When steam condenses to form water, it releases energy in the form of heat to the surroundings. This energy is needed to break the intermolecular forces that hold the water molecules together as steam.
a closed system will not gain or lose mass
When condensation occurs, it is a gain thermal energy.
Water gains energy as it evaporates to form steam. The energy is used to break the bonds between water molecules and convert them from liquid to gas.
For what?It requires a heat gain for the water,but a heat loss for whatever the water is in contact with.
its loses thermal energy...
Water molecules gain energy in order to vaporize. That additional energy is needed in order for the water molecules to overcome the attraction that they have for the other water molecules in the liquid that they are part of. In the gas phase, water molecules move independently of each other and are not connected as they are in the liquid state.
Freshwater fish tend to gain water.
if anything it would be reasonable to expect it to lose mass.