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

If the value of DeltaH and DeltaS are of following type, then at what condition a reaction will occur spontaneously? (i) DeltaH gt0 and DeltaSgt0 (ii) DeltaH lt0 and DeltaS gt0

For which of the following reactions, DeltaS gt 0 -

Which one of the following relation or expression is true for a spontaneous process of DeltaG=0,DeltaH=TDeltaS,DeltaG gt0,DeltaGlt0 ?

Give an example of a reaction for each of the following relations between DeltaH and DeltaU : (i) DeltaU lt DeltaH (ii) DeltaU gt DeltaH (iii) DeltaU=DeltaH .

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 ?

Which of the following conditions favours the spontaneity of a reaction at a constant temperature and pressure? DeltaH gt0, DeltaH lt 0, DeltaS gt0, DeltaS lt 0 .

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

State the condition at which DeltaH=DeltaU . For which reactions-(i) DeltaHgtDeltaU (ii) DeltaH lt DeltaU ?