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Which statement is true about 2nd law of...

Which statement is true about 2nd law of Thermodynamics

A

Heat can be converted into work without changes in system or surroundings

B

It is possible to construct a perpetual motion machine of second kind

C

All spontaneous process are thermo dynamically irreversible

D

All spontaneous process are thermo dynamically reversible

Text Solution

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The correct Answer is:
C
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NARAYNA-THERMODYNAMICS-C.U.Q
  1. Machine which tranfers heat from lower temperature region to higher te...

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  2. all natural processes are

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  3. The statement "Heat cannot flow from colder body to hotter body" is kn...

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  4. Which statement is true about 2nd law of Thermodynamics

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  5. Energy of Universe is conserved but entropy of Universe always increas...

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  6. All the naturally occurring processes proceed spontaneously in a direc...

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  7. Which of the following relation is not correct.

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  8. Gibbs energy change DeltaG is related to equilibrium constant 'K'. As

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  9. DeltaS("surroundings")=+959.1 JK^(-1) mol^(-1) DeltaS("system")=-163...

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  10. The mixing of gases is generally accompanied by

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  11. the value of DeltaG for the process H(2)O(s) rarr H(2)O at 1 atm and...

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  12. For a reaction to occur spontaneously

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  13. For a spontaneous process.

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  14. Which of the following in incorrect

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  15. At the vicinity of absolute zero

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  16. Correct relation among the following

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  17. For a spontaneous process, the change in Gibbs function is equal to th...

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  18. For the percipitation reaction of Ag^(o+) ions with NaCI, which of the...

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  19. For an endothermic reaction, Delta S is positive. Then the reaction is

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  20. For the process H(2)O (l) (1"bar", 373 K) rarr H(2)O (g) (1"bar", 37...

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