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Relation between Delta H and Delta U

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By Expert Faculty of Sri Chaitanya
Question

Consider the thermochemical equation, C2H5OHl+3O2g 2CO2g+3H2Ol,  difference between ΔH and ΔH-Uof the reaction at ‘T’ kelvin is

Easy
Solution

Δng=nPgnRg

      = 2 - 3

      = - 1

   ΔHΔU=ΔnRT H-U=RT


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For the given expression, ΔH=ΔU+ΔngRT, which of the following option is correct?

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