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Give an example of a process for each of...

Give an example of a process for each of the given cases: (1) `DeltaG=0, DeltaS gt0`
(2) `DeltaG=0,DeltaS lt 0`
(3) `DeltaG lt 0, DeltaS gt0`
(4) `DeltaG lt 0, DeltaS lt 0` in a system.

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(1) Fusion of ice at `0^(@)C` and 1 atm pressure
(2) Condensation of water vapour at `100^(@)C and 1 ` atm
(3) C(graphite)`+O_(2)(g)toCO_(2)(g)` at `25^(@)C` and 1 atm
(4) `N_(2)(g)+3H_(2)(g)to2NH_(3)(g)` at `25^(@)C` and 1 atm.
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A reaction is spontaneous at low temperature but non spontaneous at high temperature. Which of the following (1) DeltaH gt 0, DeltaS gt 0 (2) DeltaH lt 0, DeltaS lt 0 (3) DeltaH gt 0, DeltaS = 0 (4) DeltaH lt 0, DeltaS lt 0 (5) DeltaH = 0, DeltaS lt 0

Which condition does not satisfy the spontaneity criteria ofa reaction at constant temperature and pressure (1) Delta H lt 0, DeltaS lt 0 , (2) Delta Hgt0,DeltaS lt 0 (3) DeltaH gt 0,DeltaS gt0 , (4) DeltaH lt0,DeltaS gt0 ?

At the sublimition temperture, for the process CO_2(s) iff CO_2(g) (1) DeltaH, DeltaS and DeltaG are all positive (2) DeltaH gt 0, DeltaS gt 0 and DeltaG lt 0 (3) DeltaH lt 0, DeltaS gt 0 and DeltaG lt 0 (4) DeltaH gt 0, DeltaS gt 0 and DeltaG gt 0 (5) DeltaH gt 0, DeltaS gt 0 and DeltaG = 0

Under which of the following conditions a reaction will occur spontaneously? (i) DeltaH lt0 and DeltaS lt0 (ii) DeltaH gt0 and DeltaS lt0 .

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How DeltaG is related to DeltaH and DeltaS ? What is the meaning of DeltaG = 0 ?

For which of the following reactions, DeltaS gt 0 -

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