Question

For the reaction PCl5(g)-> PCl3(g)+Cl2(g)
(1) dH=dE
(2) dH>dE
(3)dH

Answer 1

dH = dE + RT d(ng)

As changes in no. of moles or dng = 1 (+ve)

This means that dH = dE + RT

dH > dE

Answer 2

Answer:

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Explanation: