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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.

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What if your graph has two flat section joined by slope. What does it mean where the graph is flat On the graph mark when the ice is melting Also mark the boiling water.?

A graph with two flat sections joined by a slope represents a phase change. The flat sections indicate a constant temperature during a phase change, such as when ice is melting or water is boiling. The slope represents a temperature increase or decrease during the transition between phases. In a graph, you would mark the flat section for ice melting and boiling water where the temperature remains constant.


Is energy added during melting changes?

No, the temperature remains constant during melting as energy is used to break intermolecular bonds rather than increase the temperature.


Why does temperature remains constant during the process of melting or boiling?

This is because the heat supplied to the substance is used up in the overcoming the inter molecular forces and therefore , it does not show up as a rise in the temperature. Temperature stays constant until all the interactions are broken.


When can you withdraw heat from something without lowering it's temperature?

You can withdraw heat from something without lowering its temperature during a phase change, such as during melting or boiling. As the substance absorbs energy to undergo a change in state, its temperature remains constant until the phase change is complete.


What does the flat portion of the temperature time graph indicates?

The flat portion of a temperature-time graph indicates a phase change where the substance is either melting or boiling. During these phase transitions, the temperature remains constant as the substance absorbs energy to change its state rather than increase in temperature.

Related Questions

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.


Why temperature remains constant at melting and boiling point of substance?

The temperature remains constant at the melting and boiling points of a substance because all the energy added during these phase changes is used to break intermolecular bonds rather than increase the kinetic energy of the molecules. During melting, the energy breaks the bonds holding the solid structure together, while during boiling, it overcomes the forces keeping the liquid molecules together. As a result, temperature does not rise until the entire substance has completely transitioned to the next phase.


What if your graph has two flat section joined by slope. What does it mean where the graph is flat On the graph mark when the ice is melting Also mark the boiling water.?

A graph with two flat sections joined by a slope represents a phase change. The flat sections indicate a constant temperature during a phase change, such as when ice is melting or water is boiling. The slope represents a temperature increase or decrease during the transition between phases. In a graph, you would mark the flat section for ice melting and boiling water where the temperature remains constant.


What happens when the temperature stays the same in a melting curve?

During melting the temperature remain constant if it was achieved the melting point.


What is boiling point in science?

during boiling,the temperature of a mixture is different at different times. during boiling,the temperature of a substance changes at the start then it becomes the same and constant.


What can you notice about the temperature of sea water during boiling?

The boiling point of sea water is higher compared with pure water. Temperature remain constant during boiling.


Why does the temp stay the same when boiling and melting?

The temperature stays the same during boiling and melting because the heat energy is being used to break intermolecular forces rather than raise the temperature. During boiling, this energy is used to convert the liquid into vapor, while during melting, it is used to convert the solid into a liquid.


Why does temperature does not rise during the process of melting and boiling through heat energy is constantly supplied?

During melting and boiling, the temperature remains constant because the heat energy supplied is used to break intermolecular bonds rather than increase kinetic energy. In melting, energy disrupts the structured arrangement of solid particles, while in boiling, it allows liquid particles to escape into the gas phase. This phase change requires energy, but does not result in a temperature increase until the phase transition is complete.


Is energy added during melting changes?

No, the temperature remains constant during melting as energy is used to break intermolecular bonds rather than increase the temperature.


Why does temperature remains constant during the process of melting or boiling?

This is because the heat supplied to the substance is used up in the overcoming the inter molecular forces and therefore , it does not show up as a rise in the temperature. Temperature stays constant until all the interactions are broken.


When can you withdraw heat from something without lowering it's temperature?

You can withdraw heat from something without lowering its temperature during a phase change, such as during melting or boiling. As the substance absorbs energy to undergo a change in state, its temperature remains constant until the phase change is complete.


Why does temperature does not rise during the process of boiling and melting though heat energy is constantly supplied?

you must have observed during the experiment of melting that the temperature of the system does not change after the melting point is reached till all the ice melts this happens even though we continue to heat the breaker that is we continue to supply heat