DG = DH -TDS
When DG is - the reaction is spontaneous, when + it is spontaneous the other direction, the mid-point is 0. Set DG = 0 and substitute DH and DS into the equation. Solve for T. Remember DH is given in kJ and DS is given in J(not kJ).
The following reaction has the following standard thermodynamic parameters:
Reaction: C(g) + D(g)----> E(g)
Delta H rxn=-26.1kJ/mol and
Delta S rxn=-69.8J/(mol*K).
Calculate the temperature at which the reaction becomes nonspontaneous.
1 answer
1 answer