Answer to Question #149934 in Physical Chemistry for Samantha Carter

Physical Chemistry

Question #149934

A certain reaction is spontaneous at 90.°C. If the enthalpy change for the reaction is 30. kJ, what is the minimum value of

Δr S (in joules per kelvin) for the reaction?

Expert's answer

ΔS=-ΔH/T

T= (90+273) =363K

ΔS=-30000/363

=-82.64J/K

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