A gas is allowed to expand against a constant external pressure of 2.5 bar from an initial volume of $2.5 \mathrm{~L}$ to a final volume of $4.5 \mathrm{~L}$. What is amount of work done?

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Aicharya · Accepted Answer

$\begin{aligned} W & =-P\left(V_2-V_1ight) \ & =-2.5(4.5-2.5) \ & =-5.0 \mathrm{bar}-\mathrm{L} \ & =-500 \mathrm{~J}\end{aligned}$

A gas is allowed to expand against a constant external pressure of 2.5 bar from an initial volume of $2.5…

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