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Q: Why temperature becomes constant at melting and boiling point?
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How are boiling point and melting point different?

Boiling point is the temperature point at which a liquid becomes a gas while melting point is the point at which a solid becomes a liquid.


What is the temperature at which a crystalline solid becomes a liquid?

boiling point


Do compounds have fixed temperature?

No. If you think about melting or boiling point, these values are specific and constant for each compound (with some exceptions).


What is melting or boiling point?

The melting point is the temperature at which a solid changes phases into a liquid. This is a result of the highly structured atoms of the solid, which have very little kinetic energy beginning to gain energy and dissociate. The boiling point is the temperature at which a liquid changes into a gas. This happens when the atoms/molecules of a liquid gain enough kinetic energy to escape the liquid and move into the gaseous state.


Why does the temperature of a substance remain constant during it's melting point on boiling point?

Because of phase transition ie from solid to liquid during melting and from liquid to vapour during boiling. So just to change over from one phase to the other heat is totally utilized and hence no chance to have a rise in temperature. So temperature remains constant.


What are 5 liquids that do not have water?

-- pure alcohol at room temperature -- mercury at room temperature -- oxygen below its boiling temperature -- iron above its melting temperature -- nitrogen below its boiling temperature -- salt above its melting temperature -- gold above its melting temperature -- any other element or compound that is not H2O, above its melting temperature and below its boiling temperature


What is melting points and the boiling points?

Melting point: the temperature at which a solid become a liquid. Boiling point: the temperature at which a liquid become a gas.


Short difference between melting and boiling point?

Boiling point is the temperature at which a liquid is in equilibrium with the gas phase of the same liquid. Melting point is the temperature at which a solid becomes a liquid (i.e. the point at which a solid and liquid of the same substance will be in equilibrium)


What is the boiling melting and freezing point?

A boiling point is a point on the temperature scale at which a substance begins to boil. A melting point is a point on the temperature scale at which a substance freezes. Melting and boiling points are unique to different types of elements.


Why are the melting point and boiling point of the same matter different?

Boiling point is the temperature at which a substance turns into a gas, while melting point is the temperature at which a substance turns into a liquid state from a solid state. The boiling point is always a higher temperature then the melting point. The melting point has a substance turn into a liquid from solid, and boiling point has a liquid turn into a gas.


Why does temperature remain constant during melting and boiling?

because of phase transtion i.e. from solid to liquid during melting and from liquid to vapour during boiling. so just to change over from one phase to the other heat is totally utilized.


What do boiling point and melting point have to do with the phase of matter of an element at room temperature?

The state of matter of a substance at room temperature depends on whether the melting and boiling points are above or below room temperature. At room temperature:A substance is solid if both the melting and boiling points are above room temperature.A substance is liquid if the melting point is below room temperature but the boiling point is above room temperature.A substance is a gas if both the melting point and boiling point are below room temperature.