Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable.

i think that the 2nd one is correct because i no that energy is not lost when water is bpiled it is gained because of the bubbles and electrons and atoms moving around. am i right??

I think it is the 2nd one

Yes, you are correct! The second statement is indeed the correct one. When water is boiled, energy is not lost; instead, it is transferred from the heat source to the water, causing it to undergo a phase change from liquid to gas. However, the energy used to boil the water is no longer in a usable form unless you use either work or heat to convert it back into a usable form.

To further explain, when we heat water, the heat energy is transferred to the water molecules, causing them to gain kinetic energy. As the water molecules gain energy, they move faster and start to break free from the liquid phase to become water vapor or steam. This phase change requires a significant amount of energy, known as the heat of vaporization.

So, during boiling, the energy used is transferred to the water, but it is not lost. Instead, it becomes latent heat stored in the water vapor. However, this energy in the vapor is not readily available for use unless it is converted back into another form (work or heat).

For example, if you want to convert the water vapor back into usable energy, you can use a steam turbine to extract work from the expanding steam. The steam's energy can be converted into mechanical energy that can then be used to generate electricity or perform other useful tasks. Similarly, you can also transfer the heat from the steam to another substance to make it usable.

In summary, energy is not lost when water is boiled, but it is transformed into a different form (water vapor) and needs to be converted back into a usable form by using work or heat.