Thermo (C) Doubt

Shouldn't both delta S and delta U be zero as free expansion is adiabatic so dq=0?
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7 Replies
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@Dexter
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hithav
hithav2mo ago
dS=dQ/T only in reversible processes and here volume is increasing so entropy should increase
SirLancelotDuLac
SirLancelotDuLacOP2mo ago
Ah I see. But still dq=0 right?
hithav
hithav2mo ago
yes
SirLancelotDuLac
SirLancelotDuLacOP2mo ago
Achcha I see... +solved @hithav
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