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For the process - CO(2)(s)toCO(2)(g)...

For the process -
`CO_(2)(s)toCO_(2)(g)`

A

Both `DeltaH and DeltaS` are positive

B

`DeltaH` is negative and `DeltaS` is positive

C

`DeltaH` is positive and `DeltaS` is negative

D

Both `DeltaHandDeltaS` are negative

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The correct Answer is:
A
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MOTION-THERMODYNAMICS-EXERCISE - 1
  1. For the process, melting of ice at 260 K the DeltaH is -

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  2. Which law of thermodynamics introduces the concept of entropy ?

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  3. The total entropy change for a system and its surroundings increases,...

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  4. In any natural process -

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  5. When an egg is hard boiled, there is -

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  6. Which of the following has highest entropy -

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  7. The least random state of H(2)O is -

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  8. If the enthalpy of vapourisation of water is 186.5 Jmol^(-1), the entr...

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  9. For the reaction 2SO(2)(g)+O(2)(g)to2SO(3)(g) the entropy-

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  10. Free energy change of reversible reaction at equilibrium is-

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  11. Which one of the following is correct -

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  12. For the reversible vapourisation of water at 100^(@)C and 1 atmospheri...

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  13. Which of the following state function is not zero at standard state -

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  14. Which law of thermodynamics helps in calculating the absolute entropie...

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  15. For the spontaniety of a reaction , which is true-

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  16. The occurrence of reaction is impossible if

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  17. For the reaction between CO(2) and graphite CO(2)(g)+C(s)to2CO(g) ...

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  18. An exothermic reaction has a large positive entropy change. The reacti...

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  19. For the process - CO(2)(s)toCO(2)(g)

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  20. Calculate the temperature at which DeltaG=-5.2kJmol^(-1)DeltaH=145.6kJ...

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