Question

Give the relationship between AL” and AH for gases.

Answer please??​

Answer 1

Hey❤❤

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Answer

For gases the volume change is appreciable.

let V, be the total volume of gaseous reactants, and

VP be the total volume of gaseous product.

NY be the number of moles of the reactant and ng be the number of moles of the product,

Then at constant pressure and temperature,

PVA=NaRT

pVg=ngRT

or p Vg-pVy = (ng -ny) RT

orp AT = (an), RT

where (an) = and is equal to the difference between the number of moles of gaseous

products and gaseous reactants.

Substituting the value of p AJ” awe get.

AH = AU+(An) RT

Answer 2

Heyaa☺

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Relation between AL and AH for gases are:-

At Constant pressure and temperature,

=》 pVA = NaRT

PVg = ngRT.

Can be written as,

orp AT = an,RT

i.e,

AH = AU + (An)RT.

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Hope it helps..✌