29 Which compounds are classified as Arrhenius acids?(1) HCl and NaOH
1 answer:
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Answer: c. ΔH˚ is positive and ΔS˚ is positive
Explanation:
According to Gibb's equation:
= Gibbs free energy
= enthalpy change
= entropy change
T = temperature in Kelvin
= +ve, reaction is non spontaneous
= -ve, reaction is spontaneous
= 0, reaction is in equilibrium
Thus for
Case :
>
when both have positive values.
Reaction is spontaneous only at at high temperatures.