Practice question · Numerical answer
A system has internal energy 500 J, pressure 200 Pa and volume 0.50 m. Compute its enthalpy in J.
Hints
- Enthalpy is internal energy plus pressure times volume.
- Compute 500 + 200 x 0.50.
Show the answer
600 (answers within ±5 count)
Why
J. The term is the work that would be needed to make room for the system at that pressure.
Practise Thermodynamic Potentials and Maxwell Relations
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