What do you understand by state function? Give any two state functions
Answers
Answer:
A state function is a property describes a particular state, without depending on the path taken to reach this state. In contrast, functions whose value depends on the path taken to get between two states are called path functions.
To understand the difference between the two, think of two cities, A and B, that are 100, k, m,100km away from each other along a straight line. Roads are rarely built in long straight lines, we may have two roads linking A and B, with lengths 150, k, m,150km and 200, k, m,200km. So, while the displacement between the two towns is the same for each route (it is a state function), the distance you need to travel to get from A to B depends on which road you take (it is a path function).
Both path and state functions are often encountered in thermodynamics.
Answer:
A state function describes the equilibrium state of a system, thus also describing the type of system. ... Internal energy, enthalpy, and entropy are examples of state quantities because they quantitatively describe an equilibrium state of a thermodynamic system, regardless of how the system arrived in that state.
Explanation:
Examples of state functions include density, internal energy, enthalpy, entropy. ... Two examples of path functions are heat and work.
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