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A process will be spontaneous at all temperatures  if:

(a)

H<0 and S>0

(b)

H>0 and S<0

(c)

H>0 and S>0

(d)

H<0 and S<0


Question ID - 52714 | Toppr Answer

A process will be spontaneous at all temperatures  if:

(a)

H<0 and S>0

(b)

H>0 and S<0

(c)

H>0 and S>0

(d)

H<0 and S<0

1 Answer - 5876 Votes

3537

Answer Key : (a) -

A reaction is spontaneous if Gsys is negative.

Gsys= Hsys −T Ssys

  A reaction will be spontaneous at all temperature if Hsys is negative and Ssys=+ve.



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