Q.The relation,T ds=du+p dv,is true for
a)any system,any process
b)any system,reversible process
c) closed system,any peocess
d)closed system and reversible processes only
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Answer:
a
Explanation:
In equation TdS = dU + PdV , temperature, entropy, internal energy, pressure and volume all are properties of system.
Properties of system are point functions and independent of path. Reversible and irreversible processes specify path type.
But above equation just equates properties and there is no effect of path on it. Hence above equation is applicable to both reversible and irreversible processes.
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