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Identify the reaction for which Delta H ...

Identify the reaction for which `Delta H != Delta E`

A

`H_(2)(g)+I_(2)(g)hArr 2HI(g)`

B

`HCl(l)+NaOH(l)rarr NaCl(s)+H_(2)O(l)`

C

`C(s)+O_(2)(g)rarr CO_(2)(g)`

D

`N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g)`

Text Solution

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The correct Answer is:
D
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. For the reaction CO(g)+(1)/(2)O(2)(g)rarr CO(2)(g) Which one of the ...

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  2. Which is true for the combustion of sucrose (C(12)H(22)O(11)) at 25^(@...

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  3. Identify the reaction for which Delta H != Delta E

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  4. The heat of combustion of ethanol determined in a bomb calorimeter is ...

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  5. The difference in Delta H and Delta E for the combustion of methane at...

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  6. Which of the following reactions is Delta H less than Delta E ?

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  7. For a reaction 2X(s)+2Y(s)rarr 2Cl(l)+D(g) The q(p) at 27^(@)C is -...

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  8. The work done in ergs for the reversible expansion of one mole of an i...

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  9. Two liters of N(2) at 0^(@)C and 5 atm pressure is expanded isothermal...

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  10. Two moles of an ideal gas expand spontaneously into a vacuum. The work...

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  11. One mole of a gas occupying 3dm^(3) expands against a constant externa...

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  12. For which reaction from the following, DeltaS will be maximum?

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  13. An adiabatic process is one in which :-

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  14. Entropy means

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  15. Delta S for the reaction : MgCO(3) rightarrow MgO(s) + CO(2)(g)

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  16. Change in entropy is negative for

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  17. In which reaction Delta S is positive :-

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  18. When the egg is hard boiled, there

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  19. If S^@" for "H(2), Cl2 and HCl are 0.13, 0.22 and 0.19" kJ K"^(-1)"mol...

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  20. Which has the least entropy :

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