State Functions
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Which one is not a state function?
1. change in enthalpy
2. Work done by a system
3. (q + w)
4. Change in s (entropy)
I know it is either #2 or #3, I think it is #2 but I am confused.
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WHAT IS A STATE FUNCTION?
A state function is a property of a system that is based solely on its chemical and/or physical state and not on how it acquired those states. In contrast, a path function is dependent upon the path leading from one state to another.
Real world connections: Many real-world calculations involve state functions. For example, the amount of money in a checking account is a state function: if you have $1000 and spend $300, you now have $700 regardless of how you spend the $300.
Change in altitude (∆A) is a state function. For ...
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