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MMMU-Pro / test_Energy_and_Power_180 / A piston-cylinder device initially contains 0.4 kg of nitrogen gas at 160 kPa…

Problem

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question

A piston-cylinder device initially contains 0.4 kg of nitrogen gas at 160 kPa and 140°C. The nitrogen is now expanded isothermally to a pressure of 100 kPa. Determine the boundary work done during this process. <image 1>

img type

Chemical Structures

options

26.0 kJ
19.0 kJ
24.0 kJ
21.0 kJ
23.0 kJ
22.0 kJ
20.0 kJ
25.0 kJ
18.0 kJ

subject

Energy_and_Power

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Source and history

upstream_id / Original problem ID: test_Energy_and_Power_180
task_id: f9a1f2e3-de82-59f0-9759-a24045592f7d
task_key: standard~20~2810~20options~29--test--test~5fEnergy~5fand~5fPower~5f180
task_revision_id: 3
config / split: standard (10 options) / test

Official source

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