Among W (work), Q (heat), U (internal energy) and S (entropy) · ABC26PH0589
Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Laws State Functions · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy
Among W (work), Q (heat), U (internal energy) and S (entropy)
(a)W and U are path functions but Q and S are state functions.
(b)W and S are path functions but Q and U are state functions.
(c)S and U are path functions but Q and W are state functions.
(d)W and Q are path functions but U and S are state functions.
Answer
Answer: D ✓ checked by 4AB · confidence high
The source book printed no answer; this one was worked out and checked — see the explanation.
Explanation
Work and heat depend on the path; internal energy and entropy are state functions.
Study loop for Thermodynamics
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