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Give an example of a process in which no...

Give an example of a process in which no heat is transferred to or from a system but the temperature of the system changes?

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When a paddle wheel arrangement is dipped in water and the device in worked, the temperature of the water increases without the addition of heat. In such a case, internal energy is increased because some external agent performas work on the system.
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CENGAGE PHYSICS-CALORIMETRY-Exercise 1.1
  1. Can heat be added to a substance without causing the temperature of th...

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  2. Can heat be considered to be a form of stored energy?

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  3. Give an example of a process in which no heat is transferred to or fro...

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  4. The latent heat of fusion of a substance is always less than the laten...

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  5. Suppose an astronaut on the surface of the moon took some water at abo...

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  6. Heat is added to a body. Does its temperature necessarily increase?

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  7. When a hot body warms a cool one, are their temperature changes equal ...

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  8. Steam at 100^@C is passed into a calorimeter of water equivalent 10 g ...

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  9. Ice of mass 600 kg and at a temperature of -10^@C is placed in a coppe...

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  10. When a small ice crystal is placed in overcooled water it begins to fr...

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  11. An electric heater whose power is 54 W is immersed in 650cm^3 water in...

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  12. An ice cube whose mass is 50 g is taken from a refrigerator where its ...

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  13. Equal volumes of three liquids of densities rho1,rho2 and rho3, specif...

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  14. Victoria falls in Africa is 122 m in height. Calculate the rise in tem...

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  15. Equal masses of three liquids A,B and C are taken. Their initial tempe...

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  16. An earthen pitcher loses 1 g of water per minute due to evaporation. I...

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  17. A certain amount of ice is supplied heat at a constant rate for 7 minu...

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  18. 1 g of ice at 0^@C is mixed with 1 g of steam at 100^@C. After thermal...

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  19. The ratio of the densities of the two bodies is 3:4 and the ratio of s...

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  20. In following equiation calculate value of H: 1kg ice at -20^@C=H+1kg w...

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