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State and explain principle of heat exch...

State and explain principle of heat exchange.

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Statement: In an isolated system, heat energy lost by hot object equals heat energy gained by the cold object.
Explanation: When a hot and a cold object are placed m contact with each other in an isolated system,
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TARGET PUBLICATION-HEAT-Answer the following
  1. When 'm' kg of a substance of specific heat capacity 'c' J// °C kg coo...

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  2. When heat energy is lost by an object, DeltaT represents the fall in t...

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  3. State and explain principle of heat exchange.

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  4. Which principle is used to measure the specific heat capacity of a sub...

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  5. Explain measurement of specific heat of solid object by mixing method.

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  6. Explain the following temperature vs time graph.

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  7. What could be explained from the straight horizontal line observed at ...

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  8. How could latent heat be explained from temperature vis time graph of ...

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  9. What is meant by latent heat? How will the state of matter transform i...

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  10. Use your brain power! Is the concept of latent heat applicable duri...

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  11. Use your brain power! Where does the latent heat go during these tra...

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  12. What do your understand by the term 'latent heat' ? What are the two t...

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  13. Define specific latent heat of fusion.

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  14. What does the statement, 'latent heat of fusion for ice is 80 cal/g' m...

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  15. Define the term latent heat of vaporisation.

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  16. What is specific latent heat of vaporization ?

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

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  18. What is regelation? Why is it observed?

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  19. Define regelation .

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

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