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Write the thermodynamic equarion predicting the …

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Write the thermodynamic equarion predicting the feasibility of a reaction and explain the terms involved in it

Posted by Blaster Ter 5 years, 6 months ago

CBSE > Class 12 > Chemistry

1 answers

Vikas Shukla 5 years, 6 months ago

ΔG=ΔH - TΔS. In this equation if ΔG is -ve, then the reaction is feasible and spontaneous. ΔG = free energy in the system. ΔH = enthalpy(it determines whether the heat is given to system or whether system gives heat) .... T= temperature (that is constant) and ΔS signifies entropy (Randomness of the molecules present inside the system). Now, from the equation it is clear that the product of T and ΔS must be large enough than ΔH only then can be the reaction feasible. If ΔS +ve then enthalpy must be much -ve and vice-versa . In short ΔG <0 this is must for reaction to be feasible . Just pay attention to sign convention and u will understand it :)

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