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प्रश्न
What is the specific heat capacity of boiling water?
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उत्तर
The specific heat capacity of boiling water is 0.46 cal/g-oC or 1926 J/kg-K.
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संबंधित प्रश्न
What do you understand by the following statements:
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What property of water makes it an effective coolant?
50 g of metal piece at 27°C requires 2400 J of heat energy so as to attain a temperature of 327°C . Calculate the specific heat capacity of the metal.
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Water property of water makes it an effective coolant?
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Explain the term boiling ?
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The global warming has resulted:
(a) the increase in yield of crops
(b) the decrease in sea levels
(c) the decrease in human deaths
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A calorimeter has mass 100 g and specific heat 0.1 kcal/ kg°C. It contains 250 gm of liquid at 30°C having specific heat of 0.4 kcal/kg°C. If we drop a piece of ice of mass 10 g at 0°C, What will be the temperature of the mixture?
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1. Take 3 spheres of iron, copper and lead of equal mass.
2. Put all the 3 spheres in boiling water in a beaker for some time.
3. Take 3 spheres out of the water. Put them immediately on a thick slab of wax.
4. Note, the depth that each sphere goes into the wax.
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ii) Describe that property in minimum words.
iii) Explain the rule of heat exchange with this property.
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Why do we generally consider two specific heats of a gas?
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Numerical Problem.
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At same temperature and pressure of an ideal gas, ____________.
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Match the following
| 1. | Specific heat capacity | a. | Dewar bottle |
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| 3. | Vacuum flask | c. | J Kg-1 K-1 |
| 4. | Ice – calorimeter | d. | Heat capacity |
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