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Explain the combined effects of entropy and enthalpy during the melting of ice?

During the melting of ice, entropy and enthalpy work together. The increase in entropy (disorder) as solid ice turns into liquid water disrupts the ordered crystal lattice structure. This process requires an input of energy (enthalpy) to break these intermolecular forces holding the ice together.


What is the melting point equation for a substance?

The melting point equation for a substance is typically represented as Hfusion TmSfusion, where Hfusion is the enthalpy of fusion, Tm is the melting point temperature, and Sfusion is the entropy of fusion.


How can you calculate melting point of subliming solid?

Impossible to calc any melting or boiling points.


Does Ice melting have a positive or negative enthalpy?

Negtive


What is enthalpy of fusion vaporization?

The enthalpy of fusion is the heat energy absorbed or released when a substance changes from solid to liquid at its melting point. The enthalpy of vaporization is the heat energy absorbed or released when a substance changes from liquid to gas at its boiling point.


Does melting and boiling cause physical changes?

Melting and boiling are physical changes.


How is stoichiometry used to calculate energy absorbed when a mass melts?

Stoichiometry can be used to calculate the energy absorbed when a mass melts by considering the enthalpy of fusion, which is the amount of energy required to change a substance from solid to liquid at its melting point. By using the molar mass of the substance and the enthalpy of fusion, you can calculate the amount of energy needed to melt a specific mass of the substance.


What is hydrogen's melting and boiling point?

Melting: -259.14 C Boiling: -252.87 C


Do elements compounds and mixtures have fix melting and boiling point?

Elements have fixed melting and boiling points, while compounds have varying melting and boiling points depending on their composition. Mixtures do not have fixed melting and boiling points, as they are composed of multiple substances which each have their own individual melting and boiling points.


Which would represent an increase in entropy?

thawing


Are boiling and melting the same?

No boiling is heating and energy is added and melting the solid turns into a liquid.


What is the melting point and boiling point of radium?

Melting: 700 C Boiling: 1737 C