Advertisement Remove all ads

Absolute Entropies of Solids, Liquids and Gases Can Be Determined by - Chemistry

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads

Absolute entropies of solids, liquids and gases can be determined by

  • Measuring heat capacity of substance at various temperatures
  • Subtracting standard entropy of reactants from products
  • Measuring vibrational motion of molecules
  • Using formula ΔS° = ST° - SO°
Advertisement Remove all ads

Solution

Measuring heat capacity of substance at various temperatures.

The value of ST can be determined by measuring heat capacity of the solid at various temperatures and using the expression

`DeltaS=S_T-S_0=S_T=int_0^T(Cp.dT)/T`

Concept: Chemical Thermodynamics and Energetic - Work, Heat, Energy, Extensive and Intensive Properties
  Is there an error in this question or solution?

APPEARS IN

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×