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When freezing of a liquid takes place in...

When freezing of a liquid takes place in a system it:

A

may have `q gt 0` or `q lt 0` depending on the liquid

B

is represented by `q gt 0`

C

is represented by `q lt 0`

D

has q = 0

Text Solution

Verified by Experts

The correct Answer is:
C
In freezing heat released so `q lt 0`
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
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  3. When freezing of a liquid takes place in a system it:

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  4. Mechanical work is specially important in systems that contain

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  5. Determine which of the following reactions taking place at constant pr...

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  6. Determine which of the following reactions at constant pressure rep...

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  7. A sample of liquid in a thermally insulated constant ( a calorimetre...

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  8. An ideal gas expand against a constant external pressure at 2.0 atmosp...

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  9. 2 mole of zinc is dissolved in HCl at 25^(@) C. The work done in open ...

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  10. 2 mole of an ideal gas at 27^(@)C expands isothermally and reversibly ...

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  11. A given mass of gas expands from state A to state B by three paths 1,2...

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  12. Heat energy absorbed by a system in going through a cyclic process sho...

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  13. In the cyclic process shown in the V-P diagram the magnitude of the wo...

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  14. An ideal gas is taken around the cycle ABCA as shown in P-V diagram. T...

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  15. The temperature of an ideal gas increases in an:

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  16. In following figs. Variation of volume by change of pressure is shown ...

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  17. If the door of a refrigerator is kept open, then which of the followin...

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  18. The temperature of an ideal gas increases in an:

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  19. For two mole of an ideal gas :

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  20. Which of the following expression is/are true ?

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