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In a refrigerator, heat from inside at 2...

In a refrigerator, heat from inside at 277K is transferred to a room at 300K. How many joules of heat shall be delivered to the room for each joule of electrical energy consumed ideally?

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SL ARORA-THERMODYNAMICS-Exercise
  1. In a refrigerator, heat from inside at 277K is transferred to a room a...

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  2. An ideal monoatomic gas is taken around the cycle ABCDA, wher co-ordin...

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  3. Calculate net work done by the gas whose thermodynamical behaviour is ...

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  4. Calculate the change in internal energy of a block of copper of mass 2...

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  5. One kg of water at 373K is converted into steam at the same temperatur...

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  6. Calculate the change in internal energy when 5g of air is heated from ...

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  7. A volume of 10m^(3) of a liquid is supplied with 100 kal of heat and e...

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  8. The internal energy of a monatomic ideal gas is 1.5 nRT.One mole of he...

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  9. Calculate the difference between two specific heats of 1 g of nitrogen...

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  10. Calculate the gas constant for 1 g of gas from the following data : ...

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  11. Calculate difference in specific heats for 1 gram of air at N.T.P. Giv...

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  12. Calculate the ratio of specific heats for nitrogen. Given that the spe...

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  13. For hydrogen gas, Cp= 3.409 cal g^-1 ^circC^-1, CV=2.409 cal g^-1 ^cir...

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  14. The specific heat of argon at constant pressure is 0.127 and ratio of ...

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  15. Two moles of oxygen is heated at a constant pressure from 0^(@)C. What...

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  16. A certain gas at atmospheric pressure is compressed adiabatically so t...

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  17. A gas is suddenly compressed to 1/4th of its original volume. Caculate...

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  18. A tyre pumped to a pressure of 6 atmosphere, suddenly bursts. Room tem...

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  19. 200 cm^(3) of a gas is compressed to 100cm^(3) at atmospheric pressure...

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  20. A quantity of air at 27^(@)C and atmospheric pressure is suddenly comp...

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  21. A quantity of air at normal temperature is compressed (a) slowly (b) s...

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