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sharonjh
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Is the enthalpy (H) of liquid water greater than that of the same quantity of ice at the same temperature?
Yes, if they both are at thermodynamic equilibrium. If they are not, for example in the case of supercooled water, that's not necessarily true.sharonjh said:Is the enthalpy (H) of liquid water greater than that of the same quantity of ice at the same temperature?
lightarrow said:Yes, if they both are at thermodynamic equilibrium. If they are not, for example in the case of supercooled water, that's not necessarily true.
Yes, the enthalpy of liquid water is greater than that of the same amount of water in the gas phase. This is because liquid water has stronger intermolecular forces and a more organized structure, leading to a higher enthalpy.
Enthalpy is a thermodynamic property that measures the total energy of a system, including its internal energy and the work required to create or maintain its current state.
Enthalpy is an important property of water, as it helps to determine the energy changes that occur during processes involving water, such as evaporation, condensation, and freezing.
Yes, the enthalpy of water can change depending on the conditions it is subjected to. For example, heating or cooling water can change its enthalpy, as well as changing its phase from liquid to gas or solid.
Comparing the enthalpy of water in different phases can help us understand the energy differences between these states and the factors that influence them. This information is important in many areas of science and engineering, such as in the design of power plants and refrigeration systems.