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A gas is compressed under isobaric conditions, and its volume changes from 9.0 10-3 to 2.0 10-3 m3. The pressure of the gas is 1.0 105 Pa.

(a) Determine the work done (including the algebraic sign).
J

(b) How much work is done (including the algebraic sign) if the gas then expands from 4.0 10-3 to 6.0 10-3 m3 under isobaric conditions?
J

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