The Equation of State for a Certain Gas Under Isothermal

question 17

Multiple Choice

The equation of state for a certain gas under isothermal conditions is
PV = 31.2,
Where the units are SI. The work done by this gas as its volume increases isothermally from 0.2 m³ to 0.8 m³ is approximately

• A) 2.86 J
• B) 28.6 J
• C) 43.3 J
• D) 71.8 J
• E) 115 J

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