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A refrigeratior converts 50 gram of wate...

A refrigeratior converts `50` gram of water at `15^(@)C` intoice at `0^(@)C` in one hour. Calculate the quantity of heat removed per minute. Take specific heat of water `=1` cal `g^(-1) .^(@)C^(-1)` and latent heat of ice `=80` cal `g^(-1)`

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100 gm of water at 20^@C is converted into ice at 0^@C by a refrigerator in 2 hours. What will be the quantity of heat removed per minute? Specific heat of water = 1 cal g^(-1) C^(-1) and latent heat of ice = 80 cal g^(-1)

A refrigerator converts 100 g of water at 25^(@)C into ice at -10^(@)C in one hour and 50 minutes. The quantity of heat removed per minute is (specific heat of ice = 0.5 "cal"//g^(@)C , latent heat of fusion = 80 "cal"//g )

How many grams of ice at -14 .^(@)C are needed to cool 200 gram of water form 25 .^(@)C to 10 .^(@)C ? Take specific heat of ice =0.5 cal g^(-1) .^(@)C^(-1) and latant heat of ice = 80 cal g^(-1) .

Stream at 100^(@)C is passed into 20 g of water at 10^(@)C . When water acquires a temperature of 80^(@)C , the mass of water present will be [Take specific heat of water =1 cal g^(-1) .^(@)C^(-1) and latent heat of steam =540 cal g^(-1) ]

Steam at 100^(@)C is passed into 20 g of water at 10^(@)C when water acquire a temperature of 80^(@)C , the mass of water present will be [Take specific heat of water = 1 cal g^(-1).^(@) C^(-1) and latent heat of steam = 540 cal g^(-1) ]

SL ARORA-Thermal Properties of Matter-Exercise
  1. 0.75 gram of petroleum was burnt in a bomb calorimeter which contains ...

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  2. The heat of combustion of ethane gas at 373 k cal per mole. Assume tha...

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  3. A refrigeratior converts 50 gram of water at 15^(@)C intoice at 0^(@)C...

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  4. How many grams of ice at -14 .^(@)C are needed to cool 200 gram of wa...

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  5. An electric heater of power 100 W raises the temperature of 5 kg of a ...

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  6. A piece of iron of mass 100g is kept inside a furnace for a long time ...

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  7. When a 0.45 kg of ice at 0^(@)C mixed with 0.9 kg of water at 55^(@)C ...

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  8. Calcuate the heat required to convert 0.6 kg of ice at - 20^(@)C, kept...

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  9. Heat is flowing through a rod of length 25.0 cm having cross-sectional...

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  10. Calculate the difference in temperature between two sides of an iron p...

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  11. An iron boiler is 10 mm thick and has a heating area 2m^(2). The two s...

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  12. One end of a 0.25 m long metal bar is in steam and the other is in con...

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  13. A layer of ice 0.15 m thick has formed on the surface of a deep pond. ...

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  14. Water is boiled in a rectangular steel tank of thickness 2 cm by a con...

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  15. Estimate the rate at which ice would melt in a wooden box 20 mm thick ...

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  16. Steam at 373K is passed through a tube of radius 50 cm and length 3m. ...

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  17. The thermal conductivity of copper is four times that of brass. Two ro...

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  18. The temperature difference between the two ends of a bar 1.0 m long is...

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  19. The ratio of the areas of cross section of two rods of different mater...

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  20. A room at 20^@C is heated by a heater of resistence 20 ohm connected t...

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