Among the following the number of state variables is ______.
Internal energy (U)
Volume (V)
Heat (q)
Enthalpy (H)
Among the following the number of state variables is ______.
Internal energy (U)
Volume (V)
Heat (q)
Enthalpy (H)
Official answer: 3
State functions. U, V and H; heat q is a path function.
Answer: 3