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ppk ppk
wrote...
Valued Member
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Posts: 3561
11 years ago
An ideal monatomic gas undergoes a reversible expansion to 1.5 times its original volume. In which of these processes does the gas perform the least amount of work?
A) at constant pressure
B) if the pressure increases in proportion to the volume
C) if the pressure decreases in proportion to the volume
D) at constant temperature
E) adiabatically
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Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
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Posts: 32970
11 years ago
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E

In an adiabatic process, there is no heat exchange with the surroundings. The work done during an adiabatic expansion of an ideal gas is given by W = (PfVf - PiVi)/(1 - γ), where Pf and Pi are the final and initial pressures, Vf and Vi are the final and initial volumes, and γ is the adiabatic index (ratio of specific heats). The work done in an adiabatic process depends on the initial and final conditions, including pressure and volume.
1

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Anonymous
wrote...
2 months ago
Help! The answer is missing an explanation...
wrote...
Educator
2 months ago
Thanks for pointing that out! Added some details for you
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