In thermodynamics, heat and work are
JEE MAIN 2021, Medium
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Heat and work are treated as path functions in thermodynamics.
$\Delta Q =\Delta U +\Delta W$
Since work done by gas depends on type of
process i.e. path and $\Delta U$ depends just on initial
and final states, so $\Delta Q$ i.e. heat, also has to
depend on process is path.
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