Q.

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

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answer is 2.

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Detailed Solution

Δng=nPg−nRg      = 2 - 3      = - 1
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