Question

what do you understand by leath function and point function​

Answer 1

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Path function is something which cannot be plotted on thermodynamic property diagrams as points. It rather depends on path followed in a process .For example heat and work. Point functions are those which can be plotted on thermodynamic property diagrams like pressure , volume ,temperature, entropy ,enthalpy , etc.

Answer 2

Difference between path fucntion and point function is given below.

Explanation:

• The value of a path function depends on the path followed by the thermodynamic process. It is independent of the initial and final states of the process.
• An example of path function is work done in a thermodynamic process.
• A Point function is a state function and its value depends on the final and initial states of the thermodynamic process.
• It does not depend on the path followed.
• Density, enthalpy, internal energy are example of point function.