A cylinder containing gas at $27\,^oC$ is divided into two parts of equal volume each $100\,^oc$ and at equal pressure by a piston of cross sectional area $10.85\,\, cm^2$. The gas in one part is raised in temperature to $100\,^oC$ while the other maintained at original temperature. The piston and wall are perfect insulators. How far will the piston move during the change in temperature.... $cm$ .
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