entropy

[loud wolf]

<@&1227988359910260737>

Note for OP

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[tranquil raft]

Hello hello. Attempt please :)

You know the heat since you know work (isothermal so du is 0)

Q rev would be used in both cases for ds gas.

[humble sapphire]

afaik deltaS total for a reversible process is always zero

but the ans key says otherwise

deltaS system = nR ln v2/v1 = -deltaS surrounding

[tranquil raft]

+fsolved