Consider a sample of ideal gas (0.50 moles) confined in a piston assembly that has diathermal...

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Physics

Consider a sample of ideal gas (0.50 moles) confined in a pistonassembly that has diathermal walls (i.e. the walls allow heatexchange). The assembly is in contact with a thermal reservoir thatholds the temperature constant at 300.K.
a) Suppose the ideal gas undergoes reversible isothermalcompression from 25.0 L to 10.0 L. Calculate Î”S, Î”Ssurrounding, andÎ”Stotal, where total = universe.
b) Suppose the ideal gas had instead been compressedisothermally by an external constant pressure from 25.0 L to 10.0L. First determine the value of the minimum constant pressure forthis process (in Pascals). Then, calculate Î”S, Î”Ssurrounding, andÎ”Stotal.

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4.0 Ratings (510 Votes)

a Here the process is an isothermal compressionThe heat released is given byThe initial volume is 250 LThe final volume is 100 LTemperature is See Answer

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