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Consider following potential energy graph


Which option describes the system best?

Options Reaction Activation energy(KJ) $\Delta H$(KJ)
(a) Forward 80 -60
(b) Forward 60 60
(c)  Reverse 40 -40
(d) Reverse 20 -40


Can you answer this question?

1 Answer

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For forward $E_a=60$ and $\Delta H=40$
For reverse
$\Delta H=-40$
Hence (c) is the correct answer.
answered Dec 17, 2013 by sreemathi.v

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