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The heat of combustion of yellow phoshph...

The heat of combustion of yellow phoshphorus and red phosphorus are `-9.91KJmol^(-1)` and `-8.78` KJ/mol respectivaly. The heat of transition from yellow phosphrous to red phosphorus is

A

`-18.69 kJ`

B

`+1.13 kJ`

C

`+18.69 kJ`

D

`-1.13 kJ`

Text Solution

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The correct Answer is:
D
Subtract `(ii)` from `(i)`.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
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  3. The heat of combustion of yellow phoshphorus and red phosphorus are -9...

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  4. For a system in equilibrium, DeltaG=0, under conditions of constant

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  5. In the reversible reaction of the type A+B hArr AB, in general.

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  11. The law of Lavoisier and Laplace illustrates

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  12. For the reaction H(2)+I(2)hArr2NHI, DeltaH=12.40 kcal. The heat of f...

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  14. Thermodynamic equilibrium involves

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