Anything which depends upon initial and final state of a system is_______________?
Correct answer: C. state function
- A. environment
- B. surrounding
- C. state function
- D. enthalpy
Explanation
A state function is a property whose change depends only on the initial and final states, so the path of the process does not affect its value. Enthalpy is one example of a state function, but option c gives the general term and students may choose d by mistaking an example for the definition.
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About System, Surroundings and State Functions
A system is the part of the universe under study, while everything outside it is the surroundings; the boundary separates them. State functions such as pressure, temperature, volume, internal energy and enthalpy depend only on the state, unlike heat and work, which depend on the path taken.
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