The Work Done by an Ideal Gas in an Isothermal

question 24

Multiple Choice

The work done by an ideal gas in an isothermal expansion from volume V₁ to volume V₂ is given by the formula: W = nRT lnV₂/V₁) . Standard atmospheric pressure 1 atm) is 101.3 kPa. If 1.0 L of He gas at room temperature 20^oC) and 1.0 atm of pressure is compressed isothermally to a volume of 100 mL, how much work is done on the gas?

• A) 5.6 kJ
• B) 4.7 × 10² J
• C) 4.7 × 10² kJ
• D) 2.3 × 10² kJ
• E) 2.3 × 10² J

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