Question

​for a reaction both entropy and enthalpy changes are positive. under what conditions will the reaction be spontaeous?

Answer 1

Dear Student,

$∆G=∆H-T∆S$ is the mathematical expression used for identification of the reaction spontaneity and the parameters favouring the spontaneous reaction are listed below,

$∆H$	$∆S$	$∆G$
-ve value (exothermic)	+ve value (disordering)	always negative
-ve value (exothermic)	-ve value (ordering)	negative at lower temperature

Regards.