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When you make ice cubes, the entropy of ...

When you make ice cubes, the entropy of water

A

Does not change

B

Increases

C

Decreases

D

Many either increase or decrease depending on the process used

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The correct Answer is:
C
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What is the entropy change (in JK^(-1) mol^(-1)) when one mole of ice is converted into water at 0^(@)C ? (The enthalpy change for the conversion of ice to liquid water is 6.0 kJ mol^(-1) at 0^(@)C )

What is the entropy change (in JK^(-1)mol^(-1) ) when one mole of ice is converted into water at 0^(@)C ? (The enthalpy change for the conversion of ice to liquid water is 6.0KJmol^(-1) at 0^(@)C )

ALLEN-THERMODYNAMICS -EXERCISE -1A
  1. The enthalpy of hydrogenation of cyclohexene is -119.5kJ mol^(-1). If ...

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  2. For the reaction of one mole of zinc dust with one mole of sulphuric a...

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  3. When you make ice cubes, the entropy of water

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  4. For a phase change: H(2)O(l)hArrH(2)O(s) 0^(@)C, 1 bar

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  5. For a spontaneous process the correct statement is -

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  6. The enthalpy change (Delta H) for the reaction N(2) (g)+3H(2)(g) rar...

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  7. Consider the following reactions : (a) H((aq))^(+)+OH((aq))^(-)=H(2...

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  8. Given the bond energies of H - H and Cl - Cl are 430 kJ mol^(-1) and 2...

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  9. Bond dissociation enthalpy of H(2) , Cl(2) and HCl are 434, 242 and 43...

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  10. For the gas phase reaction PCl(5)rarrPCl(3)(g)+Cl(2)(g) which of t...

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  11. Which of the following are not state functions? (I) q+w (II)q (I...

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  12. From the following bond energies: H--H bond energy: 431.37KJmol^(-1) ...

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  13. The values of Delta H and Delta S for the reaction are 170 kJ and 17...

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  14. For vaporization of water at 1 atmospheric pressure the values of Delt...

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  15. Three moles of an ideal gas expanded spontaneously into vacuum. The wo...

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  16. The following teo reaction are known : Fe(2)O(3)(s)+3CO(g)rarr2Fe(s)...

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  17. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

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  18. Intensive property is :-

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  19. In which of following there is decrease in entropy :-

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  20. Which of the following is not a state function :-

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