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What is the relation between change in i...

What is the relation between change in internal energy of the system and heat energy supplied to the system or heat extracted from the system?

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CHETANA PUBLICATION-Thermodynamics-EXERCISE
  1. What is the relation between change in internal energy of the system a...

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  2. A gas initially at 17^@C issuddenly compressed to 1/8 of its original ...

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  3. A gas expands from 75 litres to 125 litres at constant pressure of 4 a...

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  4. When the temperature of 5 mol of a gas is changed from 100^@C to 120^@...

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  5. 5 mol of oxygen is heated at constant volume from 10^@C to 20^@C. Find...

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  6. An amount of heat of 100 cal is supplied to a gas. The work done by th...

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  7. 400 J of work is performed on a gasfor reducing its volume by compress...

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  8. A cylinder contains one gram mole of H2 at 17^@C and 2 atms. The initi...

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  9. In a thermodynamic process 400 J of heat is given to a gas and 100 J o...

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  10. If 5 moles of oxygen at STP is adiabatically compressed so that temper...

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  11. 70 calories of heat is required to raise the temperature 2 moles of an...

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  12. If 1200 calories of heat is removed from a gas which is held at consta...

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  13. The volume of 1 kilomole of an ideal gas increases isothermally from 1...

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  14. Work done for the rise of one mole of helium gas adiabatically through...

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  15. A diatomic gas at pressure P and volume V is compressed adiabatically ...

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  16. During an adiabatic process, if the pressure of an ideal gas is propor...

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  17. Calculate the efficiency of a Carnot's engine working between steam po...

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  18. A Carnot engine takes in 1000 k cal of heat from a reservoir at 627^@C...

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  19. A Carnot engine whose low temperature reservoir is at 7^@C has an effi...

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  20. A refrigerator has to transfer an average of 263 J of heat per second ...

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  21. Refrigerator A works between (-10)^@C and 27^@C while refrigerator B w...

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