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The internal energy change in a system t...

The internal energy change in a system that has absorbed `2 kcal` of heat and done `500J` of work is

A

7900J

B

8900J

C

6400J

D

5400J

Text Solution

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The correct Answer is:
A
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MOTION-Thermodynamics-EXERCISE - 3 SECTION - A
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  2. In thermodynamic processes which of the following statement is not tru...

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  4. If DeltaU and Delta W represent the increase in internal energy and wo...

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  5. A monoatomic gas at pressure P(1) and volume V(1) is compressed adiaba...

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  9. During an isothermal expansion, a confined ideal gas does -150 J of wo...

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  10. A mass of diatomic gas(gamma=1.4) at a pressure of 2 atomphere is comp...

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  11. A thermodynamic system is taken through the cycle ABCD as shown in the...

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  12. An ideal gas goes from State A to state B via three different process ...

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  13. One mole of an ideal gas goes from an initial state A to final state B...

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  14. Conversion of water to steam is accompanied by which process?

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  15. Calculate the work done for B to A, :-

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  16. What is the slope for an isothermal process in PV indicator diagram -

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  17. When 1 kg of ice at 0^(@)C melts to water at 0^(@)C, the resulting cha...

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  18. A gas is taken through the cycle A to B to C to A, as shown. What is t...

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  19. One mole of oxygen of volume 1 litre at 4 atm pressure to attain 1 atm...

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  20. Which of the following is a state function ?

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