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What happens to heat when water evaporates?
When water evaporates, heat from the surroundings is absorbed to break the bonds between water molecules, turning liquid water into water vapor. This heat energy is stored in the water vapor as latent heat, increasing its kinetic energy.
How is energy transferred between the oceans and the atmosphere?
Energy is transferred between the oceans and the atmosphere through processes like evaporation and condensation. The sun heats the ocean surface, causing water to evaporate and release latent heat into the atmosphere. This latent heat is later released when water vapor condenses to form clouds, leading to the transfer of energy between the two systems.
What is the Latent heat of vapourization at low pressure and temperature?
The latent heat of vaporization at low pressure and temperature will be lower than at standard conditions because the energy required to overcome intermolecular forces and change the state of the substance is reduced. This reduction occurs due to the lower kinetic energy of the particles involved, resulting in less energy needed to transition from liquid to gas phase.
Why is water at 100'c is more energetic than ice at 0'c?
Water at 100°C has more thermal energy because it is in a gaseous state compared to ice at 0°C, which is in a solid state. The higher temperature of water indicates that its molecules are moving at a faster rate and have more kinetic energy.
When a substance changes state latent heat is?
Latent heat is the amount of energy absorbed or released by a substance during a phase change without a change in temperature. For example, when ice melts into water, it absorbs latent heat, and when water freezes into ice, it releases latent heat. This energy is crucial for processes such as melting, freezing, boiling, and condensing, as it facilitates the transition between solid, liquid, and gas states.
Why doesn't the thermometer measure latent heat?
A thermometer measures temperature by detecting the average kinetic energy of the particles in a substance, rather than the energy involved in phase changes, such as latent heat. Latent heat is the energy absorbed or released during a phase change, like melting or boiling, and does not directly affect the average kinetic energy of the particles that the thermometer detects.
When you boil a liquid and it turns into an ideal gas where does the energy go because the temperature remains constant so kinetic energy is the same and ideal gases don't have potential energy?
It turns into latent heat - the latent heat of evaporation. This energy is recovered when the gas condenses back into a liquid.
Latent heat in terms of molecular behaviour?
Latent heat is the energy absorbed or released during a phase change without a corresponding change in temperature. At the molecular level, this energy is used to break or form intermolecular bonds, such as when a substance changes from a solid to a liquid or a liquid to a gas. The kinetic energy of the molecules remains constant during a phase change, leading to a temporary "hidden" energy storage in the form of potential energy within the bonds.
Why is heat energy needed to melt a solid what is this heat energy called?
This energy is the enthalpy of fusion (or latent heat of fusion).
Why is latent heat considered potential energy?
This is referred to as conservation of energy
Is it correct that water can transmit energy from one point to another?
Yes, in may ways. As the latent heat of evaporation. As heat (as a result of its thermal capacity) As potential energy as with a dam As kinetic energy as with a tide / wave
Latent heat in terms of molecular behavior?
Latent heat refers to the heat energy that is absorbed or released during a change in state of a substance, such as melting or vaporization, without a change in temperature. It is due to the energy required to break intermolecular forces when a substance changes phases, rather than increasing the kinetic energy of the molecules.
The form of energy related to the change of the state of water?
The energy which must be transferred to or from a sample of water in order to change it's state is called the Latent Energy or Latent Heat - for example Latent Heat of Evaporation or Latent Heat of Freezing.
How does potential energy become kinetic energy during a hurricane?
In a hurricane, potential energy stored in warm ocean water is converted into kinetic energy through the process of evaporation and condensation. As warm air rises and cools, it releases latent heat energy, driving the circulation and intensifying the storm. The kinetic energy of the hurricane is manifested in the strong winds and powerful storm surges that result from this energy conversion process.
What happens to heat when water evaporates?
When water evaporates, heat from the surroundings is absorbed to break the bonds between water molecules, turning liquid water into water vapor. This heat energy is stored in the water vapor as latent heat, increasing its kinetic energy.
Why is heat energy needed to melt a solid. What is this heat energy called?
Heat energy is needed to melt a solid because it provides the molecules in the solid with enough kinetic energy to overcome the forces holding them in a rigid structure. The specific heat energy required to melt a solid at its melting point is called the latent heat of fusion.
How is energy transferred between the oceans and the atmosphere?
Energy is transferred between the oceans and the atmosphere through processes like evaporation and condensation. The sun heats the ocean surface, causing water to evaporate and release latent heat into the atmosphere. This latent heat is later released when water vapor condenses to form clouds, leading to the transfer of energy between the two systems.
