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Dx

A container of ideal gas at STP undergoes an isothermal expansion and its entrop changes by 3.7JdegreeK. How much work does it do?

i have [del]S = [del]S_s + [del]S_env >= 0.

I am confused 1 mol of iseal gas at STP has vol = 22.4L but i usaully given themass also to find Q unless its 37. / 22.4 which gives me 1.0 x 10^3 J.

is this correct?

Thanks!

Dx