Which is a state function?
In thermodynamics, a state function, function of state, or point function is a function defined for a system relating several state variables or state quantities that depends only on the current equilibrium thermodynamic state of the system (e.g.
gas, liquid, solid, crystal, or emulsion), not the path which the system ….
Which one is not a state function?
Heat and work are not state functions. Work can’t be a state function because it is proportional to the distance an object is moved, which depends on the path used to go from the initial to the final state.
Which is not a state function of a thermodynamic system?
Heat (q) and work (W) are not state functions being path dependent. A state function is the property of the system whose value depends only on the initial and final state of the system and is independent of the path.
Why work done is not a thermodynamic function?
Why are work and heat not thermodynamic properties? Work and heat are not defined by the state of the system. If you have a system in a particular state, it does not have a certain amount of heat and a certain amount of work. … The amount of heat and work are different depending on how you change the state of the system.
What thermodynamic quantities are state functions?
The thermodynamic state of a system refers to the temperature, pressure and quantity of substance present. State functions only depend on these parameters and not on how they were reached. Examples of state functions include density, internal energy, enthalpy, entropy.
Which one is a state function?
State functions are values that depend on the state of the substance, and not on how that state was reached. For example, density is a state function, because a substance’s density is not affected by how the substance is obtained.