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A block of dry ice held in a piston chamber of cross-sectional area 26 cmsublimes and pushes the piston over a length of 20 cm against ambient pressure of 1 atm. Calculate the work W associated with this process. What is the sign of W from the point of view of the dry ice?

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Answer #1

ost be十ve because Waskis done P sv Lo - 20cm = | 52-52コ ! 囚

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