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What is specific latent heat of vaporiza...

What is specific latent heat of vaporization ?

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The amount of heat energy absorbed at constant temperature by unit mass of a liquid to convert into gaseous phase is called the specific latent heat of vaporisation.
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In the previous question, if the specific latent heat of vaporization of water at 0^@C is eta times the specific latent heat of freezing of water at 0^@C , the fraction of water that will ultimately freeze is

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Find the internal pressure p_i of a liquid if its density rho and specific latent heat of vaporization q are known. The heat q is assumed to be equal to the work performed against the forces of the internal pressure, and the liquid obeys the Van der Waals equation. Calculate p_i in water.

An electric kettle is filled with 1.3 kg of water at 20^(@)C . The power of the heating coil of the kettle is 2.0 KW. After switching it on the water begins to boil in 220s . If the kettle was kept on for a further interval of Delta t it was observed that only 200g water remained in the kettle and remaining water vaporized (the vapor is allowed to escape through a small vent). The specific latent heat of vaporization of water at 100^(@)C (boiling point) is L = 2.26 KJ//g . Calculate the specific heat capacity of water and the interval Delta t . Assume that heat supplied by the heater is completely absorbed by the water.

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TARGET PUBLICATION-HEAT-Answer the following
  1. What does the statement, 'latent heat of fusion for ice is 80 cal/g' m...

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  2. Define the term latent heat of vaporisation.

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  3. What is specific latent heat of vaporization ?

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  4. Explain the role of latent heat in the change of state of a substance.

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  5. What is regelation? Why is it observed?

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  6. Define regelation .

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  7. How does the shredded ice convert into solid ice ball (during the prep...

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  8. In the experiment described on page 64 of your textbook, the wire move...

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  9. Is there any relationship of latent heat with the regelation?

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  10. You know that as we go higher than the sea level, the boiling point of...

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  11. Explain anomalous behaviour of water. Write its effect in lakes and po...

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  12. Write a note on: Anomalous behaviour of water.

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  13. State two phenomena observed in nature due to anomalous behaviour of w...

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  14. Explain the construction of Hope's apparatus with the help of a label...

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  15. By studying anomalous behaviour of water using Hope's apparatus, it is...

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  16. How do observations made while studying anomalous behaviour of water u...

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  17. By studying anomalous behaviour of water using Hope's apparatus, it is...

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  18. By studying anomalous behaviour of water using Hope's apparatus, it is...

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  19. What is the role of anomalous behaviour of water in preserving aquatic...

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  20. How will you explain following statement with the help of the anomalou...

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