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For the reaction 2SO(2)(g)+O(2)(g)to2S...

For the reaction
`2SO_(2)(g)+O_(2)(g)to2SO_(3)(g)` the entropy-

A

increases

B

decreases

C

remains unchanged

D

change cannot be predicted

Text Solution

Verified by Experts

The correct Answer is:
B
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At 700K , for the reaction 2SO_(2)(g)+O_(2)(g)hArr2SO_(3)(g) the K_(p) "is" 3.2xx10^(4) . At the same temperature the K_(p) for the reaction SO_(3)(g)hArrSO_(2)(g)+0.50O_(2)(g) is:

The conditions favourable for the reaction : 2SO_(2)(g)+O_(2)(g) 2SO_(3)(g) , DeltaH° = - 198 kJ are :

For the elementary reaction 2SO_(2)(g)+O_(2)(g)to2SO_(3)(g) , identify the correct among the following relations

Given that equilibrium constant for the reaction 2SO_(2)(g) + O_(2)(g)hArr2SO_(3)(g) has a value of 278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature ? SO_(3)(g)hArrSO_(2)(g) + (1)/(2)O_(2)(g)

The equilibrium constant, K_(p) for the reaction 2SO_(2)(g)+O_(2)(g)hArr2SO_(3)(g) is 44.0atm^(-1) "at" 1000 K . What would be the partial pressure of O_(2) if at equilibrium the amound of SO_(2) and SO_(3) is the same?

Using S^(@) values, calculate the entropy of the reaction, SO_(2)(g)+(1)/(2)O_(2)(g)toSO_(3)(g) The S^(@) values for SO_(2),O_(2) and SO_(3) are 248.5,205.0 and 256.2 J K^(-1)" "mol^(-1) .

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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